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freebsd-dev/sys/dev/drm2/radeon/si.c
Jean-Sébastien Pédron 455fa6518a drm: Update the device-independent code to match Linux 3.8.13 
This update brings few features:
    o  Support for the setmaster/dropmaster ioctls. For instance, they
       are used to run multiple X servers simultaneously.
    o  Support for minor devices. The only user-visible change is a new
       entry in /dev/dri but it is useless at the moment. This is a
       first step to support render nodes [1].

The main benefit is to greatly reduce the diff with Linux (at the
expense of an unreadable commit diff). Hopefully, next upgrades will be
easier.

No updates were made to the drivers, beside adapting them to API
changes.

[1] https://en.wikipedia.org/wiki/Direct_Rendering_Manager#Render_nodes

Tested by:	Many people
MFC after:	1 month
Relnotes:	yes
2015-03-17 18:50:33 +00:00

4454 lines
132 KiB
C
Raw Blame History

/*
* Copyright 2011 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Alex Deucher
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <dev/drm2/drmP.h>
#include "radeon.h"
#include "radeon_asic.h"
#include <dev/drm2/radeon/radeon_drm.h>
#include "sid.h"
#include "atom.h"
#include "si_blit_shaders.h"
#define SI_PFP_UCODE_SIZE 2144
#define SI_PM4_UCODE_SIZE 2144
#define SI_CE_UCODE_SIZE 2144
#define SI_RLC_UCODE_SIZE 2048
#define SI_MC_UCODE_SIZE 7769
#ifdef __linux__
MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
MODULE_FIRMWARE("radeon/TAHITI_me.bin");
MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
MODULE_FIRMWARE("radeon/VERDE_me.bin");
MODULE_FIRMWARE("radeon/VERDE_ce.bin");
MODULE_FIRMWARE("radeon/VERDE_mc.bin");
MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
#endif
#ifdef FREEBSD_WIP /* FreeBSD: to please GCC 4.2. */
extern int r600_ih_ring_alloc(struct radeon_device *rdev);
extern void r600_ih_ring_fini(struct radeon_device *rdev);
extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev);
#endif
/* get temperature in millidegrees */
int si_get_temp(struct radeon_device *rdev)
{
u32 temp;
int actual_temp = 0;
temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >>
CTF_TEMP_SHIFT;
if (temp & 0x200)
actual_temp = 255;
else
actual_temp = temp & 0x1ff;
actual_temp = (actual_temp * 1000);
return actual_temp;
}
#define TAHITI_IO_MC_REGS_SIZE 36
static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
{0x0000006f, 0x03044000},
{0x00000070, 0x0480c018},
{0x00000071, 0x00000040},
{0x00000072, 0x01000000},
{0x00000074, 0x000000ff},
{0x00000075, 0x00143400},
{0x00000076, 0x08ec0800},
{0x00000077, 0x040000cc},
{0x00000079, 0x00000000},
{0x0000007a, 0x21000409},
{0x0000007c, 0x00000000},
{0x0000007d, 0xe8000000},
{0x0000007e, 0x044408a8},
{0x0000007f, 0x00000003},
{0x00000080, 0x00000000},
{0x00000081, 0x01000000},
{0x00000082, 0x02000000},
{0x00000083, 0x00000000},
{0x00000084, 0xe3f3e4f4},
{0x00000085, 0x00052024},
{0x00000087, 0x00000000},
{0x00000088, 0x66036603},
{0x00000089, 0x01000000},
{0x0000008b, 0x1c0a0000},
{0x0000008c, 0xff010000},
{0x0000008e, 0xffffefff},
{0x0000008f, 0xfff3efff},
{0x00000090, 0xfff3efbf},
{0x00000094, 0x00101101},
{0x00000095, 0x00000fff},
{0x00000096, 0x00116fff},
{0x00000097, 0x60010000},
{0x00000098, 0x10010000},
{0x00000099, 0x00006000},
{0x0000009a, 0x00001000},
{0x0000009f, 0x00a77400}
};
static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
{0x0000006f, 0x03044000},
{0x00000070, 0x0480c018},
{0x00000071, 0x00000040},
{0x00000072, 0x01000000},
{0x00000074, 0x000000ff},
{0x00000075, 0x00143400},
{0x00000076, 0x08ec0800},
{0x00000077, 0x040000cc},
{0x00000079, 0x00000000},
{0x0000007a, 0x21000409},
{0x0000007c, 0x00000000},
{0x0000007d, 0xe8000000},
{0x0000007e, 0x044408a8},
{0x0000007f, 0x00000003},
{0x00000080, 0x00000000},
{0x00000081, 0x01000000},
{0x00000082, 0x02000000},
{0x00000083, 0x00000000},
{0x00000084, 0xe3f3e4f4},
{0x00000085, 0x00052024},
{0x00000087, 0x00000000},
{0x00000088, 0x66036603},
{0x00000089, 0x01000000},
{0x0000008b, 0x1c0a0000},
{0x0000008c, 0xff010000},
{0x0000008e, 0xffffefff},
{0x0000008f, 0xfff3efff},
{0x00000090, 0xfff3efbf},
{0x00000094, 0x00101101},
{0x00000095, 0x00000fff},
{0x00000096, 0x00116fff},
{0x00000097, 0x60010000},
{0x00000098, 0x10010000},
{0x00000099, 0x00006000},
{0x0000009a, 0x00001000},
{0x0000009f, 0x00a47400}
};
static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
{0x0000006f, 0x03044000},
{0x00000070, 0x0480c018},
{0x00000071, 0x00000040},
{0x00000072, 0x01000000},
{0x00000074, 0x000000ff},
{0x00000075, 0x00143400},
{0x00000076, 0x08ec0800},
{0x00000077, 0x040000cc},
{0x00000079, 0x00000000},
{0x0000007a, 0x21000409},
{0x0000007c, 0x00000000},
{0x0000007d, 0xe8000000},
{0x0000007e, 0x044408a8},
{0x0000007f, 0x00000003},
{0x00000080, 0x00000000},
{0x00000081, 0x01000000},
{0x00000082, 0x02000000},
{0x00000083, 0x00000000},
{0x00000084, 0xe3f3e4f4},
{0x00000085, 0x00052024},
{0x00000087, 0x00000000},
{0x00000088, 0x66036603},
{0x00000089, 0x01000000},
{0x0000008b, 0x1c0a0000},
{0x0000008c, 0xff010000},
{0x0000008e, 0xffffefff},
{0x0000008f, 0xfff3efff},
{0x00000090, 0xfff3efbf},
{0x00000094, 0x00101101},
{0x00000095, 0x00000fff},
{0x00000096, 0x00116fff},
{0x00000097, 0x60010000},
{0x00000098, 0x10010000},
{0x00000099, 0x00006000},
{0x0000009a, 0x00001000},
{0x0000009f, 0x00a37400}
};
/* ucode loading */
static int si_mc_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
u32 running, blackout = 0;
const u32 *io_mc_regs;
int i, ucode_size, regs_size;
if (!rdev->mc_fw)
return -EINVAL;
switch (rdev->family) {
case CHIP_TAHITI:
io_mc_regs = &tahiti_io_mc_regs[0][0];
ucode_size = SI_MC_UCODE_SIZE;
regs_size = TAHITI_IO_MC_REGS_SIZE;
break;
case CHIP_PITCAIRN:
io_mc_regs = &pitcairn_io_mc_regs[0][0];
ucode_size = SI_MC_UCODE_SIZE;
regs_size = TAHITI_IO_MC_REGS_SIZE;
break;
case CHIP_VERDE:
default:
io_mc_regs = &verde_io_mc_regs[0][0];
ucode_size = SI_MC_UCODE_SIZE;
regs_size = TAHITI_IO_MC_REGS_SIZE;
break;
}
running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
if (running == 0) {
if (running) {
blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
}
/* reset the engine and set to writable */
WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
/* load mc io regs */
for (i = 0; i < regs_size; i++) {
WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
}
/* load the MC ucode */
fw_data = (const __be32 *)rdev->mc_fw->data;
for (i = 0; i < ucode_size; i++)
WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
/* put the engine back into the active state */
WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
/* wait for training to complete */
for (i = 0; i < rdev->usec_timeout; i++) {
if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
break;
udelay(1);
}
for (i = 0; i < rdev->usec_timeout; i++) {
if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
break;
udelay(1);
}
if (running)
WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
}
return 0;
}
static int si_init_microcode(struct radeon_device *rdev)
{
const char *chip_name;
const char *rlc_chip_name;
size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
char fw_name[30];
int err;
DRM_DEBUG("\n");
switch (rdev->family) {
case CHIP_TAHITI:
chip_name = "TAHITI";
rlc_chip_name = "TAHITI";
pfp_req_size = SI_PFP_UCODE_SIZE * 4;
me_req_size = SI_PM4_UCODE_SIZE * 4;
ce_req_size = SI_CE_UCODE_SIZE * 4;
rlc_req_size = SI_RLC_UCODE_SIZE * 4;
mc_req_size = SI_MC_UCODE_SIZE * 4;
break;
case CHIP_PITCAIRN:
chip_name = "PITCAIRN";
rlc_chip_name = "PITCAIRN";
pfp_req_size = SI_PFP_UCODE_SIZE * 4;
me_req_size = SI_PM4_UCODE_SIZE * 4;
ce_req_size = SI_CE_UCODE_SIZE * 4;
rlc_req_size = SI_RLC_UCODE_SIZE * 4;
mc_req_size = SI_MC_UCODE_SIZE * 4;
break;
case CHIP_VERDE:
chip_name = "VERDE";
rlc_chip_name = "VERDE";
pfp_req_size = SI_PFP_UCODE_SIZE * 4;
me_req_size = SI_PM4_UCODE_SIZE * 4;
ce_req_size = SI_CE_UCODE_SIZE * 4;
rlc_req_size = SI_RLC_UCODE_SIZE * 4;
mc_req_size = SI_MC_UCODE_SIZE * 4;
break;
default: panic("%s: Unsupported family %d", __func__, rdev->family);
}
DRM_INFO("Loading %s Microcode\n", chip_name);
err = 0;
snprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_pfp", chip_name);
rdev->pfp_fw = firmware_get(fw_name);
if (rdev->pfp_fw == NULL) {
err = -ENOENT;
goto out;
}
if (rdev->pfp_fw->datasize != pfp_req_size) {
DRM_ERROR(
"si_cp: Bogus length %zu in firmware \"%s\"\n",
rdev->pfp_fw->datasize, fw_name);
err = -EINVAL;
goto out;
}
snprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_me", chip_name);
rdev->me_fw = firmware_get(fw_name);
if (rdev->me_fw == NULL) {
err = -ENOENT;
goto out;
}
if (rdev->me_fw->datasize != me_req_size) {
DRM_ERROR(
"si_cp: Bogus length %zu in firmware \"%s\"\n",
rdev->me_fw->datasize, fw_name);
err = -EINVAL;
}
snprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_ce", chip_name);
rdev->ce_fw = firmware_get(fw_name);
if (rdev->ce_fw == NULL) {
err = -ENOENT;
goto out;
}
if (rdev->ce_fw->datasize != ce_req_size) {
DRM_ERROR(
"si_cp: Bogus length %zu in firmware \"%s\"\n",
rdev->ce_fw->datasize, fw_name);
err = -EINVAL;
}
snprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_rlc", rlc_chip_name);
rdev->rlc_fw = firmware_get(fw_name);
if (rdev->rlc_fw == NULL) {
err = -ENOENT;
goto out;
}
if (rdev->rlc_fw->datasize != rlc_req_size) {
DRM_ERROR(
"si_rlc: Bogus length %zu in firmware \"%s\"\n",
rdev->rlc_fw->datasize, fw_name);
err = -EINVAL;
}
snprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_mc", chip_name);
rdev->mc_fw = firmware_get(fw_name);
if (rdev->mc_fw == NULL) {
err = -ENOENT;
goto out;
}
if (rdev->mc_fw->datasize != mc_req_size) {
DRM_ERROR(
"si_mc: Bogus length %zu in firmware \"%s\"\n",
rdev->mc_fw->datasize, fw_name);
err = -EINVAL;
}
out:
if (err) {
if (err != -EINVAL)
DRM_ERROR(
"si_cp: Failed to load firmware \"%s\"\n",
fw_name);
if (rdev->pfp_fw != NULL) {
firmware_put(rdev->pfp_fw, FIRMWARE_UNLOAD);
rdev->pfp_fw = NULL;
}
if (rdev->me_fw != NULL) {
firmware_put(rdev->me_fw, FIRMWARE_UNLOAD);
rdev->me_fw = NULL;
}
if (rdev->ce_fw != NULL) {
firmware_put(rdev->ce_fw, FIRMWARE_UNLOAD);
rdev->ce_fw = NULL;
}
if (rdev->rlc_fw != NULL) {
firmware_put(rdev->rlc_fw, FIRMWARE_UNLOAD);
rdev->rlc_fw = NULL;
}
if (rdev->mc_fw != NULL) {
firmware_put(rdev->mc_fw, FIRMWARE_UNLOAD);
rdev->mc_fw = NULL;
}
}
return err;
}
/**
* si_fini_microcode - drop the firmwares image references
*
* @rdev: radeon_device pointer
*
* Drop the pfp, me, rlc, mc and ce firmware image references.
* Called at driver shutdown.
*/
static void si_fini_microcode(struct radeon_device *rdev)
{
if (rdev->pfp_fw != NULL) {
firmware_put(rdev->pfp_fw, FIRMWARE_UNLOAD);
rdev->pfp_fw = NULL;
}
if (rdev->me_fw != NULL) {
firmware_put(rdev->me_fw, FIRMWARE_UNLOAD);
rdev->me_fw = NULL;
}
if (rdev->rlc_fw != NULL) {
firmware_put(rdev->rlc_fw, FIRMWARE_UNLOAD);
rdev->rlc_fw = NULL;
}
if (rdev->mc_fw != NULL) {
firmware_put(rdev->mc_fw, FIRMWARE_UNLOAD);
rdev->mc_fw = NULL;
}
if (rdev->ce_fw != NULL) {
firmware_put(rdev->ce_fw, FIRMWARE_UNLOAD);
rdev->ce_fw = NULL;
}
}
/* watermark setup */
static u32 dce6_line_buffer_adjust(struct radeon_device *rdev,
struct radeon_crtc *radeon_crtc,
struct drm_display_mode *mode,
struct drm_display_mode *other_mode)
{
u32 tmp;
/*
* Line Buffer Setup
* There are 3 line buffers, each one shared by 2 display controllers.
* DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
* the display controllers. The paritioning is done via one of four
* preset allocations specified in bits 21:20:
* 0 - half lb
* 2 - whole lb, other crtc must be disabled
*/
/* this can get tricky if we have two large displays on a paired group
* of crtcs. Ideally for multiple large displays we'd assign them to
* non-linked crtcs for maximum line buffer allocation.
*/
if (radeon_crtc->base.enabled && mode) {
if (other_mode)
tmp = 0; /* 1/2 */
else
tmp = 2; /* whole */
} else
tmp = 0;
WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset,
DC_LB_MEMORY_CONFIG(tmp));
if (radeon_crtc->base.enabled && mode) {
switch (tmp) {
case 0:
default:
return 4096 * 2;
case 2:
return 8192 * 2;
}
}
/* controller not enabled, so no lb used */
return 0;
}
static u32 si_get_number_of_dram_channels(struct radeon_device *rdev)
{
u32 tmp = RREG32(MC_SHARED_CHMAP);
switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
case 0:
default:
return 1;
case 1:
return 2;
case 2:
return 4;
case 3:
return 8;
case 4:
return 3;
case 5:
return 6;
case 6:
return 10;
case 7:
return 12;
case 8:
return 16;
}
}
struct dce6_wm_params {
u32 dram_channels; /* number of dram channels */
u32 yclk; /* bandwidth per dram data pin in kHz */
u32 sclk; /* engine clock in kHz */
u32 disp_clk; /* display clock in kHz */
u32 src_width; /* viewport width */
u32 active_time; /* active display time in ns */
u32 blank_time; /* blank time in ns */
bool interlaced; /* mode is interlaced */
fixed20_12 vsc; /* vertical scale ratio */
u32 num_heads; /* number of active crtcs */
u32 bytes_per_pixel; /* bytes per pixel display + overlay */
u32 lb_size; /* line buffer allocated to pipe */
u32 vtaps; /* vertical scaler taps */
};
static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)
{
/* Calculate raw DRAM Bandwidth */
fixed20_12 dram_efficiency; /* 0.7 */
fixed20_12 yclk, dram_channels, bandwidth;
fixed20_12 a;
a.full = dfixed_const(1000);
yclk.full = dfixed_const(wm->yclk);
yclk.full = dfixed_div(yclk, a);
dram_channels.full = dfixed_const(wm->dram_channels * 4);
a.full = dfixed_const(10);
dram_efficiency.full = dfixed_const(7);
dram_efficiency.full = dfixed_div(dram_efficiency, a);
bandwidth.full = dfixed_mul(dram_channels, yclk);
bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
return dfixed_trunc(bandwidth);
}
static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)
{
/* Calculate DRAM Bandwidth and the part allocated to display. */
fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
fixed20_12 yclk, dram_channels, bandwidth;
fixed20_12 a;
a.full = dfixed_const(1000);
yclk.full = dfixed_const(wm->yclk);
yclk.full = dfixed_div(yclk, a);
dram_channels.full = dfixed_const(wm->dram_channels * 4);
a.full = dfixed_const(10);
disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
bandwidth.full = dfixed_mul(dram_channels, yclk);
bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
return dfixed_trunc(bandwidth);
}
static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)
{
/* Calculate the display Data return Bandwidth */
fixed20_12 return_efficiency; /* 0.8 */
fixed20_12 sclk, bandwidth;
fixed20_12 a;
a.full = dfixed_const(1000);
sclk.full = dfixed_const(wm->sclk);
sclk.full = dfixed_div(sclk, a);
a.full = dfixed_const(10);
return_efficiency.full = dfixed_const(8);
return_efficiency.full = dfixed_div(return_efficiency, a);
a.full = dfixed_const(32);
bandwidth.full = dfixed_mul(a, sclk);
bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
return dfixed_trunc(bandwidth);
}
static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)
{
return 32;
}
static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)
{
/* Calculate the DMIF Request Bandwidth */
fixed20_12 disp_clk_request_efficiency; /* 0.8 */
fixed20_12 disp_clk, sclk, bandwidth;
fixed20_12 a, b1, b2;
u32 min_bandwidth;
a.full = dfixed_const(1000);
disp_clk.full = dfixed_const(wm->disp_clk);
disp_clk.full = dfixed_div(disp_clk, a);
a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);
b1.full = dfixed_mul(a, disp_clk);
a.full = dfixed_const(1000);
sclk.full = dfixed_const(wm->sclk);
sclk.full = dfixed_div(sclk, a);
a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));
b2.full = dfixed_mul(a, sclk);
a.full = dfixed_const(10);
disp_clk_request_efficiency.full = dfixed_const(8);
disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2));
a.full = dfixed_const(min_bandwidth);
bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency);
return dfixed_trunc(bandwidth);
}
static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)
{
/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
u32 dram_bandwidth = dce6_dram_bandwidth(wm);
u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);
u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);
return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
}
static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)
{
/* Calculate the display mode Average Bandwidth
* DisplayMode should contain the source and destination dimensions,
* timing, etc.
*/
fixed20_12 bpp;
fixed20_12 line_time;
fixed20_12 src_width;
fixed20_12 bandwidth;
fixed20_12 a;
a.full = dfixed_const(1000);
line_time.full = dfixed_const(wm->active_time + wm->blank_time);
line_time.full = dfixed_div(line_time, a);
bpp.full = dfixed_const(wm->bytes_per_pixel);
src_width.full = dfixed_const(wm->src_width);
bandwidth.full = dfixed_mul(src_width, bpp);
bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
bandwidth.full = dfixed_div(bandwidth, line_time);
return dfixed_trunc(bandwidth);
}
static u32 dce6_latency_watermark(struct dce6_wm_params *wm)
{
/* First calcualte the latency in ns */
u32 mc_latency = 2000; /* 2000 ns. */
u32 available_bandwidth = dce6_available_bandwidth(wm);
u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
(wm->num_heads * cursor_line_pair_return_time);
u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
u32 tmp, dmif_size = 12288;
fixed20_12 a, b, c;
if (wm->num_heads == 0)
return 0;
a.full = dfixed_const(2);
b.full = dfixed_const(1);
if ((wm->vsc.full > a.full) ||
((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
(wm->vtaps >= 5) ||
((wm->vsc.full >= a.full) && wm->interlaced))
max_src_lines_per_dst_line = 4;
else
max_src_lines_per_dst_line = 2;
a.full = dfixed_const(available_bandwidth);
b.full = dfixed_const(wm->num_heads);
a.full = dfixed_div(a, b);
b.full = dfixed_const(mc_latency + 512);
c.full = dfixed_const(wm->disp_clk);
b.full = dfixed_div(b, c);
c.full = dfixed_const(dmif_size);
b.full = dfixed_div(c, b);
tmp = min(dfixed_trunc(a), dfixed_trunc(b));
b.full = dfixed_const(1000);
c.full = dfixed_const(wm->disp_clk);
b.full = dfixed_div(c, b);
c.full = dfixed_const(wm->bytes_per_pixel);
b.full = dfixed_mul(b, c);
lb_fill_bw = min(tmp, dfixed_trunc(b));
a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
b.full = dfixed_const(1000);
c.full = dfixed_const(lb_fill_bw);
b.full = dfixed_div(c, b);
a.full = dfixed_div(a, b);
line_fill_time = dfixed_trunc(a);
if (line_fill_time < wm->active_time)
return latency;
else
return latency + (line_fill_time - wm->active_time);
}
static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
{
if (dce6_average_bandwidth(wm) <=
(dce6_dram_bandwidth_for_display(wm) / wm->num_heads))
return true;
else
return false;
};
static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
{
if (dce6_average_bandwidth(wm) <=
(dce6_available_bandwidth(wm) / wm->num_heads))
return true;
else
return false;
};
static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)
{
u32 lb_partitions = wm->lb_size / wm->src_width;
u32 line_time = wm->active_time + wm->blank_time;
u32 latency_tolerant_lines;
u32 latency_hiding;
fixed20_12 a;
a.full = dfixed_const(1);
if (wm->vsc.full > a.full)
latency_tolerant_lines = 1;
else {
if (lb_partitions <= (wm->vtaps + 1))
latency_tolerant_lines = 1;
else
latency_tolerant_lines = 2;
}
latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
if (dce6_latency_watermark(wm) <= latency_hiding)
return true;
else
return false;
}
static void dce6_program_watermarks(struct radeon_device *rdev,
struct radeon_crtc *radeon_crtc,
u32 lb_size, u32 num_heads)
{
struct drm_display_mode *mode = &radeon_crtc->base.mode;
struct dce6_wm_params wm;
u32 pixel_period;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 priority_a_mark = 0, priority_b_mark = 0;
u32 priority_a_cnt = PRIORITY_OFF;
u32 priority_b_cnt = PRIORITY_OFF;
u32 tmp, arb_control3;
fixed20_12 a, b, c;
if (radeon_crtc->base.enabled && num_heads && mode) {
pixel_period = 1000000 / (u32)mode->clock;
line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
priority_a_cnt = 0;
priority_b_cnt = 0;
wm.yclk = rdev->pm.current_mclk * 10;
wm.sclk = rdev->pm.current_sclk * 10;
wm.disp_clk = mode->clock;
wm.src_width = mode->crtc_hdisplay;
wm.active_time = mode->crtc_hdisplay * pixel_period;
wm.blank_time = line_time - wm.active_time;
wm.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
wm.interlaced = true;
wm.vsc = radeon_crtc->vsc;
wm.vtaps = 1;
if (radeon_crtc->rmx_type != RMX_OFF)
wm.vtaps = 2;
wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
wm.lb_size = lb_size;
if (rdev->family == CHIP_ARUBA)
wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
else
wm.dram_channels = si_get_number_of_dram_channels(rdev);
wm.num_heads = num_heads;
/* set for high clocks */
latency_watermark_a = min(dce6_latency_watermark(&wm), (u32)65535);
/* set for low clocks */
/* wm.yclk = low clk; wm.sclk = low clk */
latency_watermark_b = min(dce6_latency_watermark(&wm), (u32)65535);
/* possibly force display priority to high */
/* should really do this at mode validation time... */
if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
!dce6_average_bandwidth_vs_available_bandwidth(&wm) ||
!dce6_check_latency_hiding(&wm) ||
(rdev->disp_priority == 2)) {
DRM_DEBUG_KMS("force priority to high\n");
priority_a_cnt |= PRIORITY_ALWAYS_ON;
priority_b_cnt |= PRIORITY_ALWAYS_ON;
}
a.full = dfixed_const(1000);
b.full = dfixed_const(mode->clock);
b.full = dfixed_div(b, a);
c.full = dfixed_const(latency_watermark_a);
c.full = dfixed_mul(c, b);
c.full = dfixed_mul(c, radeon_crtc->hsc);
c.full = dfixed_div(c, a);
a.full = dfixed_const(16);
c.full = dfixed_div(c, a);
priority_a_mark = dfixed_trunc(c);
priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
a.full = dfixed_const(1000);
b.full = dfixed_const(mode->clock);
b.full = dfixed_div(b, a);
c.full = dfixed_const(latency_watermark_b);
c.full = dfixed_mul(c, b);
c.full = dfixed_mul(c, radeon_crtc->hsc);
c.full = dfixed_div(c, a);
a.full = dfixed_const(16);
c.full = dfixed_div(c, a);
priority_b_mark = dfixed_trunc(c);
priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
}
/* select wm A */
arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
tmp = arb_control3;
tmp &= ~LATENCY_WATERMARK_MASK(3);
tmp |= LATENCY_WATERMARK_MASK(1);
WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
(LATENCY_LOW_WATERMARK(latency_watermark_a) |
LATENCY_HIGH_WATERMARK(line_time)));
/* select wm B */
tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
tmp &= ~LATENCY_WATERMARK_MASK(3);
tmp |= LATENCY_WATERMARK_MASK(2);
WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
(LATENCY_LOW_WATERMARK(latency_watermark_b) |
LATENCY_HIGH_WATERMARK(line_time)));
/* restore original selection */
WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3);
/* write the priority marks */
WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
}
void dce6_bandwidth_update(struct radeon_device *rdev)
{
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
u32 num_heads = 0, lb_size;
int i;
radeon_update_display_priority(rdev);
for (i = 0; i < rdev->num_crtc; i++) {
if (rdev->mode_info.crtcs[i]->base.enabled)
num_heads++;
}
for (i = 0; i < rdev->num_crtc; i += 2) {
mode0 = &rdev->mode_info.crtcs[i]->base.mode;
mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
}
}
/*
* Core functions
*/
static void si_tiling_mode_table_init(struct radeon_device *rdev)
{
const u32 num_tile_mode_states = 32;
u32 reg_offset, gb_tile_moden, split_equal_to_row_size;
switch (rdev->config.si.mem_row_size_in_kb) {
case 1:
split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
break;
case 2:
default:
split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
break;
case 4:
split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
break;
}
if ((rdev->family == CHIP_TAHITI) ||
(rdev->family == CHIP_PITCAIRN)) {
for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
switch (reg_offset) {
case 0: /* non-AA compressed depth or any compressed stencil */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 1: /* 2xAA/4xAA compressed depth only */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 2: /* 8xAA compressed depth only */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 3: /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 4: /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 5: /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 6: /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 7: /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 8: /* 1D and 1D Array Surfaces */
gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 9: /* Displayable maps. */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 10: /* Display 8bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 11: /* Display 16bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 12: /* Display 32bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 13: /* Thin. */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 14: /* Thin 8 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 15: /* Thin 16 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 16: /* Thin 32 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 17: /* Thin 64 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
case 21: /* 8 bpp PRT. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 22: /* 16 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 23: /* 32 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 24: /* 64 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 25: /* 128 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
NUM_BANKS(ADDR_SURF_8_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
default:
gb_tile_moden = 0;
break;
}
WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
}
} else if (rdev->family == CHIP_VERDE) {
for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
switch (reg_offset) {
case 0: /* non-AA compressed depth or any compressed stencil */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 1: /* 2xAA/4xAA compressed depth only */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 2: /* 8xAA compressed depth only */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 3: /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 4: /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 5: /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 6: /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 7: /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 8: /* 1D and 1D Array Surfaces */
gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 9: /* Displayable maps. */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 10: /* Display 8bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 11: /* Display 16bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 12: /* Display 32bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 13: /* Thin. */
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 14: /* Thin 8 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 15: /* Thin 16 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 16: /* Thin 32 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 17: /* Thin 64 bpp. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P4_8x16) |
TILE_SPLIT(split_equal_to_row_size) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 21: /* 8 bpp PRT. */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 22: /* 16 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
break;
case 23: /* 32 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 24: /* 64 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
NUM_BANKS(ADDR_SURF_16_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
break;
case 25: /* 128 bpp PRT */
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
NUM_BANKS(ADDR_SURF_8_BANK) |
BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
break;
default:
gb_tile_moden = 0;
break;
}
WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
}
} else
DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
}
static void si_select_se_sh(struct radeon_device *rdev,
u32 se_num, u32 sh_num)
{
u32 data = INSTANCE_BROADCAST_WRITES;
if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
else if (se_num == 0xffffffff)
data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
else if (sh_num == 0xffffffff)
data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
else
data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
WREG32(GRBM_GFX_INDEX, data);
}
static u32 si_create_bitmask(u32 bit_width)
{
u32 i, mask = 0;
for (i = 0; i < bit_width; i++) {
mask <<= 1;
mask |= 1;
}
return mask;
}
static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
{
u32 data, mask;
data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
if (data & 1)
data &= INACTIVE_CUS_MASK;
else
data = 0;
data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
data >>= INACTIVE_CUS_SHIFT;
mask = si_create_bitmask(cu_per_sh);
return ~data & mask;
}
static void si_setup_spi(struct radeon_device *rdev,
u32 se_num, u32 sh_per_se,
u32 cu_per_sh)
{
int i, j, k;
u32 data, mask, active_cu;
for (i = 0; i < se_num; i++) {
for (j = 0; j < sh_per_se; j++) {
si_select_se_sh(rdev, i, j);
data = RREG32(SPI_STATIC_THREAD_MGMT_3);
active_cu = si_get_cu_enabled(rdev, cu_per_sh);
mask = 1;
for (k = 0; k < 16; k++) {
mask <<= k;
if (active_cu & mask) {
data &= ~mask;
WREG32(SPI_STATIC_THREAD_MGMT_3, data);
break;
}
}
}
}
si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
}
static u32 si_get_rb_disabled(struct radeon_device *rdev,
u32 max_rb_num, u32 se_num,
u32 sh_per_se)
{
u32 data, mask;
data = RREG32(CC_RB_BACKEND_DISABLE);
if (data & 1)
data &= BACKEND_DISABLE_MASK;
else
data = 0;
data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
data >>= BACKEND_DISABLE_SHIFT;
mask = si_create_bitmask(max_rb_num / se_num / sh_per_se);
return data & mask;
}
static void si_setup_rb(struct radeon_device *rdev,
u32 se_num, u32 sh_per_se,
u32 max_rb_num)
{
int i, j;
u32 data, mask;
u32 disabled_rbs = 0;
u32 enabled_rbs = 0;
for (i = 0; i < se_num; i++) {
for (j = 0; j < sh_per_se; j++) {
si_select_se_sh(rdev, i, j);
data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se);
disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
}
}
si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
mask = 1;
for (i = 0; i < max_rb_num; i++) {
if (!(disabled_rbs & mask))
enabled_rbs |= mask;
mask <<= 1;
}
for (i = 0; i < se_num; i++) {
si_select_se_sh(rdev, i, 0xffffffff);
data = 0;
for (j = 0; j < sh_per_se; j++) {
switch (enabled_rbs & 3) {
case 1:
data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
break;
case 2:
data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
break;
case 3:
default:
data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
break;
}
enabled_rbs >>= 2;
}
WREG32(PA_SC_RASTER_CONFIG, data);
}
si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
}
static void si_gpu_init(struct radeon_device *rdev)
{
u32 gb_addr_config = 0;
u32 mc_shared_chmap, mc_arb_ramcfg;
u32 sx_debug_1;
u32 hdp_host_path_cntl;
u32 tmp;
int i, j;
switch (rdev->family) {
case CHIP_TAHITI:
rdev->config.si.max_shader_engines = 2;
rdev->config.si.max_tile_pipes = 12;
rdev->config.si.max_cu_per_sh = 8;
rdev->config.si.max_sh_per_se = 2;
rdev->config.si.max_backends_per_se = 4;
rdev->config.si.max_texture_channel_caches = 12;
rdev->config.si.max_gprs = 256;
rdev->config.si.max_gs_threads = 32;
rdev->config.si.max_hw_contexts = 8;
rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
rdev->config.si.sc_prim_fifo_size_backend = 0x100;
rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
break;
case CHIP_PITCAIRN:
rdev->config.si.max_shader_engines = 2;
rdev->config.si.max_tile_pipes = 8;
rdev->config.si.max_cu_per_sh = 5;
rdev->config.si.max_sh_per_se = 2;
rdev->config.si.max_backends_per_se = 4;
rdev->config.si.max_texture_channel_caches = 8;
rdev->config.si.max_gprs = 256;
rdev->config.si.max_gs_threads = 32;
rdev->config.si.max_hw_contexts = 8;
rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
rdev->config.si.sc_prim_fifo_size_backend = 0x100;
rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
break;
case CHIP_VERDE:
default:
rdev->config.si.max_shader_engines = 1;
rdev->config.si.max_tile_pipes = 4;
rdev->config.si.max_cu_per_sh = 2;
rdev->config.si.max_sh_per_se = 2;
rdev->config.si.max_backends_per_se = 4;
rdev->config.si.max_texture_channel_caches = 4;
rdev->config.si.max_gprs = 256;
rdev->config.si.max_gs_threads = 32;
rdev->config.si.max_hw_contexts = 8;
rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
rdev->config.si.sc_prim_fifo_size_backend = 0x40;
rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
break;
}
/* Initialize HDP */
for (i = 0, j = 0; i < 32; i++, j += 0x18) {
WREG32((0x2c14 + j), 0x00000000);
WREG32((0x2c18 + j), 0x00000000);
WREG32((0x2c1c + j), 0x00000000);
WREG32((0x2c20 + j), 0x00000000);
WREG32((0x2c24 + j), 0x00000000);
}
WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
evergreen_fix_pci_max_read_req_size(rdev);
WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
rdev->config.si.mem_max_burst_length_bytes = 256;
tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
if (rdev->config.si.mem_row_size_in_kb > 4)
rdev->config.si.mem_row_size_in_kb = 4;
/* XXX use MC settings? */
rdev->config.si.shader_engine_tile_size = 32;
rdev->config.si.num_gpus = 1;
rdev->config.si.multi_gpu_tile_size = 64;
/* fix up row size */
gb_addr_config &= ~ROW_SIZE_MASK;
switch (rdev->config.si.mem_row_size_in_kb) {
case 1:
default:
gb_addr_config |= ROW_SIZE(0);
break;
case 2:
gb_addr_config |= ROW_SIZE(1);
break;
case 4:
gb_addr_config |= ROW_SIZE(2);
break;
}
/* setup tiling info dword. gb_addr_config is not adequate since it does
* not have bank info, so create a custom tiling dword.
* bits 3:0 num_pipes
* bits 7:4 num_banks
* bits 11:8 group_size
* bits 15:12 row_size
*/
rdev->config.si.tile_config = 0;
switch (rdev->config.si.num_tile_pipes) {
case 1:
rdev->config.si.tile_config |= (0 << 0);
break;
case 2:
rdev->config.si.tile_config |= (1 << 0);
break;
case 4:
rdev->config.si.tile_config |= (2 << 0);
break;
case 8:
default:
/* XXX what about 12? */
rdev->config.si.tile_config |= (3 << 0);
break;
}
switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
case 0: /* four banks */
rdev->config.si.tile_config |= 0 << 4;
break;
case 1: /* eight banks */
rdev->config.si.tile_config |= 1 << 4;
break;
case 2: /* sixteen banks */
default:
rdev->config.si.tile_config |= 2 << 4;
break;
}
rdev->config.si.tile_config |=
((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
rdev->config.si.tile_config |=
((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CALC, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
si_tiling_mode_table_init(rdev);
si_setup_rb(rdev, rdev->config.si.max_shader_engines,
rdev->config.si.max_sh_per_se,
rdev->config.si.max_backends_per_se);
si_setup_spi(rdev, rdev->config.si.max_shader_engines,
rdev->config.si.max_sh_per_se,
rdev->config.si.max_cu_per_sh);
/* set HW defaults for 3D engine */
WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
ROQ_IB2_START(0x2b)));
WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
sx_debug_1 = RREG32(SX_DEBUG_1);
WREG32(SX_DEBUG_1, sx_debug_1);
WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
WREG32(VGT_NUM_INSTANCES, 1);
WREG32(CP_PERFMON_CNTL, 0);
WREG32(SQ_CONFIG, 0);
WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
FORCE_EOV_MAX_REZ_CNT(255)));
WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
AUTO_INVLD_EN(ES_AND_GS_AUTO));
WREG32(VGT_GS_VERTEX_REUSE, 16);
WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
WREG32(CB_PERFCOUNTER0_SELECT0, 0);
WREG32(CB_PERFCOUNTER0_SELECT1, 0);
WREG32(CB_PERFCOUNTER1_SELECT0, 0);
WREG32(CB_PERFCOUNTER1_SELECT1, 0);
WREG32(CB_PERFCOUNTER2_SELECT0, 0);
WREG32(CB_PERFCOUNTER2_SELECT1, 0);
WREG32(CB_PERFCOUNTER3_SELECT0, 0);
WREG32(CB_PERFCOUNTER3_SELECT1, 0);
tmp = RREG32(HDP_MISC_CNTL);
tmp |= HDP_FLUSH_INVALIDATE_CACHE;
WREG32(HDP_MISC_CNTL, tmp);
hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
udelay(50);
}
/*
* GPU scratch registers helpers function.
*/
static void si_scratch_init(struct radeon_device *rdev)
{
int i;
rdev->scratch.num_reg = 7;
rdev->scratch.reg_base = SCRATCH_REG0;
for (i = 0; i < rdev->scratch.num_reg; i++) {
rdev->scratch.free[i] = true;
rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
}
}
void si_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
/* flush read cache over gart */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
PACKET3_TC_ACTION_ENA |
PACKET3_SH_KCACHE_ACTION_ENA |
PACKET3_SH_ICACHE_ACTION_ENA);
radeon_ring_write(ring, 0xFFFFFFFF);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 10); /* poll interval */
/* EVENT_WRITE_EOP - flush caches, send int */
radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
radeon_ring_write(ring, addr & 0xffffffff);
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
radeon_ring_write(ring, fence->seq);
radeon_ring_write(ring, 0);
}
/*
* IB stuff
*/
void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
u32 header;
if (ib->is_const_ib) {
/* set switch buffer packet before const IB */
radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
radeon_ring_write(ring, 0);
header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
} else {
u32 next_rptr;
if (ring->rptr_save_reg) {
next_rptr = ring->wptr + 3 + 4 + 8;
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, ((ring->rptr_save_reg -
PACKET3_SET_CONFIG_REG_START) >> 2));
radeon_ring_write(ring, next_rptr);
} else if (rdev->wb.enabled) {
next_rptr = ring->wptr + 5 + 4 + 8;
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
radeon_ring_write(ring, (1 << 8));
radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff);
radeon_ring_write(ring, next_rptr);
}
header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
}
radeon_ring_write(ring, header);
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
(2 << 0) |
#endif
(ib->gpu_addr & 0xFFFFFFFC));
radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
radeon_ring_write(ring, ib->length_dw |
(ib->vm ? (ib->vm->id << 24) : 0));
if (!ib->is_const_ib) {
/* flush read cache over gart for this vmid */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
PACKET3_TC_ACTION_ENA |
PACKET3_SH_KCACHE_ACTION_ENA |
PACKET3_SH_ICACHE_ACTION_ENA);
radeon_ring_write(ring, 0xFFFFFFFF);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 10); /* poll interval */
}
}
/*
* CP.
*/
static void si_cp_enable(struct radeon_device *rdev, bool enable)
{
if (enable)
WREG32(CP_ME_CNTL, 0);
else {
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
WREG32(SCRATCH_UMSK, 0);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
}
udelay(50);
}
static int si_cp_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
int i;
if (!rdev->me_fw || !rdev->pfp_fw)
return -EINVAL;
si_cp_enable(rdev, false);
/* PFP */
fw_data = (const __be32 *)rdev->pfp_fw->data;
WREG32(CP_PFP_UCODE_ADDR, 0);
for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
WREG32(CP_PFP_UCODE_ADDR, 0);
/* CE */
fw_data = (const __be32 *)rdev->ce_fw->data;
WREG32(CP_CE_UCODE_ADDR, 0);
for (i = 0; i < SI_CE_UCODE_SIZE; i++)
WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
WREG32(CP_CE_UCODE_ADDR, 0);
/* ME */
fw_data = (const __be32 *)rdev->me_fw->data;
WREG32(CP_ME_RAM_WADDR, 0);
for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
WREG32(CP_ME_RAM_WADDR, 0);
WREG32(CP_PFP_UCODE_ADDR, 0);
WREG32(CP_CE_UCODE_ADDR, 0);
WREG32(CP_ME_RAM_WADDR, 0);
WREG32(CP_ME_RAM_RADDR, 0);
return 0;
}
static int si_cp_start(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
int r, i;
r = radeon_ring_lock(rdev, ring, 7 + 4);
if (r) {
DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
return r;
}
/* init the CP */
radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
radeon_ring_write(ring, 0x1);
radeon_ring_write(ring, 0x0);
radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0);
/* init the CE partitions */
radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
radeon_ring_write(ring, 0xc000);
radeon_ring_write(ring, 0xe000);
radeon_ring_unlock_commit(rdev, ring);
si_cp_enable(rdev, true);
r = radeon_ring_lock(rdev, ring, si_default_size + 10);
if (r) {
DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
return r;
}
/* setup clear context state */
radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
for (i = 0; i < si_default_size; i++)
radeon_ring_write(ring, si_default_state[i]);
radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
/* set clear context state */
radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
radeon_ring_write(ring, 0x00000316);
radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
radeon_ring_unlock_commit(rdev, ring);
for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
ring = &rdev->ring[i];
r = radeon_ring_lock(rdev, ring, 2);
/* clear the compute context state */
radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
radeon_ring_write(ring, 0);
radeon_ring_unlock_commit(rdev, ring);
}
return 0;
}
static void si_cp_fini(struct radeon_device *rdev)
{
struct radeon_ring *ring;
si_cp_enable(rdev, false);
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
radeon_ring_fini(rdev, ring);
radeon_scratch_free(rdev, ring->rptr_save_reg);
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
radeon_ring_fini(rdev, ring);
radeon_scratch_free(rdev, ring->rptr_save_reg);
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
radeon_ring_fini(rdev, ring);
radeon_scratch_free(rdev, ring->rptr_save_reg);
}
static int si_cp_resume(struct radeon_device *rdev)
{
struct radeon_ring *ring;
u32 tmp;
u32 rb_bufsz;
int r;
/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
SOFT_RESET_PA |
SOFT_RESET_VGT |
SOFT_RESET_SPI |
SOFT_RESET_SX));
RREG32(GRBM_SOFT_RESET);
mdelay(15);
WREG32(GRBM_SOFT_RESET, 0);
RREG32(GRBM_SOFT_RESET);
WREG32(CP_SEM_WAIT_TIMER, 0x0);
WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
/* Set the write pointer delay */
WREG32(CP_RB_WPTR_DELAY, 0);
WREG32(CP_DEBUG, 0);
WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
/* ring 0 - compute and gfx */
/* Set ring buffer size */
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
rb_bufsz = drm_order(ring->ring_size / 8);
tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
#ifdef __BIG_ENDIAN
tmp |= BUF_SWAP_32BIT;
#endif
WREG32(CP_RB0_CNTL, tmp);
/* Initialize the ring buffer's read and write pointers */
WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
ring->wptr = 0;
WREG32(CP_RB0_WPTR, ring->wptr);
/* set the wb address whether it's enabled or not */
WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
if (rdev->wb.enabled)
WREG32(SCRATCH_UMSK, 0xff);
else {
tmp |= RB_NO_UPDATE;
WREG32(SCRATCH_UMSK, 0);
}
mdelay(1);
WREG32(CP_RB0_CNTL, tmp);
WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
ring->rptr = RREG32(CP_RB0_RPTR);
/* ring1 - compute only */
/* Set ring buffer size */
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
rb_bufsz = drm_order(ring->ring_size / 8);
tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
#ifdef __BIG_ENDIAN
tmp |= BUF_SWAP_32BIT;
#endif
WREG32(CP_RB1_CNTL, tmp);
/* Initialize the ring buffer's read and write pointers */
WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
ring->wptr = 0;
WREG32(CP_RB1_WPTR, ring->wptr);
/* set the wb address whether it's enabled or not */
WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
mdelay(1);
WREG32(CP_RB1_CNTL, tmp);
WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
ring->rptr = RREG32(CP_RB1_RPTR);
/* ring2 - compute only */
/* Set ring buffer size */
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
rb_bufsz = drm_order(ring->ring_size / 8);
tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
#ifdef __BIG_ENDIAN
tmp |= BUF_SWAP_32BIT;
#endif
WREG32(CP_RB2_CNTL, tmp);
/* Initialize the ring buffer's read and write pointers */
WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
ring->wptr = 0;
WREG32(CP_RB2_WPTR, ring->wptr);
/* set the wb address whether it's enabled or not */
WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
mdelay(1);
WREG32(CP_RB2_CNTL, tmp);
WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
ring->rptr = RREG32(CP_RB2_RPTR);
/* start the rings */
si_cp_start(rdev);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
if (r) {
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
return r;
}
r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
if (r) {
rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
}
r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
if (r) {
rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
}
return 0;
}
bool si_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
u32 srbm_status;
u32 grbm_status, grbm_status2;
u32 grbm_status_se0, grbm_status_se1;
srbm_status = RREG32(SRBM_STATUS);
grbm_status = RREG32(GRBM_STATUS);
grbm_status2 = RREG32(GRBM_STATUS2);
grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
if (!(grbm_status & GUI_ACTIVE)) {
radeon_ring_lockup_update(ring);
return false;
}
/* force CP activities */
radeon_ring_force_activity(rdev, ring);
return radeon_ring_test_lockup(rdev, ring);
}
static void si_gpu_soft_reset_gfx(struct radeon_device *rdev)
{
u32 grbm_reset = 0;
if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
return;
dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
RREG32(GRBM_STATUS));
dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n",
RREG32(GRBM_STATUS2));
dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
RREG32(GRBM_STATUS_SE0));
dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
RREG32(GRBM_STATUS_SE1));
dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
RREG32(SRBM_STATUS));
/* Disable CP parsing/prefetching */
WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
/* reset all the gfx blocks */
grbm_reset = (SOFT_RESET_CP |
SOFT_RESET_CB |
SOFT_RESET_DB |
SOFT_RESET_GDS |
SOFT_RESET_PA |
SOFT_RESET_SC |
SOFT_RESET_BCI |
SOFT_RESET_SPI |
SOFT_RESET_SX |
SOFT_RESET_TC |
SOFT_RESET_TA |
SOFT_RESET_VGT |
SOFT_RESET_IA);
dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
WREG32(GRBM_SOFT_RESET, grbm_reset);
(void)RREG32(GRBM_SOFT_RESET);
udelay(50);
WREG32(GRBM_SOFT_RESET, 0);
(void)RREG32(GRBM_SOFT_RESET);
dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
RREG32(GRBM_STATUS));
dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n",
RREG32(GRBM_STATUS2));
dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
RREG32(GRBM_STATUS_SE0));
dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
RREG32(GRBM_STATUS_SE1));
dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
RREG32(SRBM_STATUS));
}
static void si_gpu_soft_reset_dma(struct radeon_device *rdev)
{
u32 tmp;
if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
return;
dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
/* dma0 */
tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
tmp &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
/* dma1 */
tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
tmp &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
/* Reset dma */
WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1);
RREG32(SRBM_SOFT_RESET);
udelay(50);
WREG32(SRBM_SOFT_RESET, 0);
dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
}
static int si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
{
struct evergreen_mc_save save;
if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
reset_mask &= ~RADEON_RESET_DMA;
if (reset_mask == 0)
return 0;
dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
evergreen_mc_stop(rdev, &save);
if (radeon_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE))
si_gpu_soft_reset_gfx(rdev);
if (reset_mask & RADEON_RESET_DMA)
si_gpu_soft_reset_dma(rdev);
/* Wait a little for things to settle down */
udelay(50);
evergreen_mc_resume(rdev, &save);
return 0;
}
int si_asic_reset(struct radeon_device *rdev)
{
return si_gpu_soft_reset(rdev, (RADEON_RESET_GFX |
RADEON_RESET_COMPUTE |
RADEON_RESET_DMA));
}
/* MC */
static void si_mc_program(struct radeon_device *rdev)
{
struct evergreen_mc_save save;
u32 tmp;
int i, j;
/* Initialize HDP */
for (i = 0, j = 0; i < 32; i++, j += 0x18) {
WREG32((0x2c14 + j), 0x00000000);
WREG32((0x2c18 + j), 0x00000000);
WREG32((0x2c1c + j), 0x00000000);
WREG32((0x2c20 + j), 0x00000000);
WREG32((0x2c24 + j), 0x00000000);
}
WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
evergreen_mc_stop(rdev, &save);
if (radeon_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
/* Lockout access through VGA aperture*/
WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
/* Update configuration */
WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
rdev->mc.vram_start >> 12);
WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
rdev->mc.vram_end >> 12);
WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
rdev->vram_scratch.gpu_addr >> 12);
tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
WREG32(MC_VM_FB_LOCATION, tmp);
/* XXX double check these! */
WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
WREG32(MC_VM_AGP_BASE, 0);
WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
if (radeon_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
evergreen_mc_resume(rdev, &save);
/* we need to own VRAM, so turn off the VGA renderer here
* to stop it overwriting our objects */
rv515_vga_render_disable(rdev);
}
/* SI MC address space is 40 bits */
static void si_vram_location(struct radeon_device *rdev,
struct radeon_mc *mc, u64 base)
{
mc->vram_start = base;
if (mc->mc_vram_size > (0xFFFFFFFFFFULL - base + 1)) {
dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n");
mc->real_vram_size = mc->aper_size;
mc->mc_vram_size = mc->aper_size;
}
mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
dev_info(rdev->dev, "VRAM: %juM 0x%016jX - 0x%016jX (%juM used)\n",
(uintmax_t)mc->mc_vram_size >> 20, (uintmax_t)mc->vram_start,
(uintmax_t)mc->vram_end, (uintmax_t)mc->real_vram_size >> 20);
}
static void si_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
{
u64 size_af, size_bf;
size_af = ((0xFFFFFFFFFFULL - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align;
size_bf = mc->vram_start & ~mc->gtt_base_align;
if (size_bf > size_af) {
if (mc->gtt_size > size_bf) {
dev_warn(rdev->dev, "limiting GTT\n");
mc->gtt_size = size_bf;
}
mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size;
} else {
if (mc->gtt_size > size_af) {
dev_warn(rdev->dev, "limiting GTT\n");
mc->gtt_size = size_af;
}
mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align;
}
mc->gtt_end = mc->gtt_start + mc->gtt_size - 1;
dev_info(rdev->dev, "GTT: %juM 0x%016jX - 0x%016jX\n",
(uintmax_t)mc->gtt_size >> 20, (uintmax_t)mc->gtt_start, (uintmax_t)mc->gtt_end);
}
static void si_vram_gtt_location(struct radeon_device *rdev,
struct radeon_mc *mc)
{
if (mc->mc_vram_size > 0xFFC0000000ULL) {
/* leave room for at least 1024M GTT */
dev_warn(rdev->dev, "limiting VRAM\n");
mc->real_vram_size = 0xFFC0000000ULL;
mc->mc_vram_size = 0xFFC0000000ULL;
}
si_vram_location(rdev, &rdev->mc, 0);
rdev->mc.gtt_base_align = 0;
si_gtt_location(rdev, mc);
}
static int si_mc_init(struct radeon_device *rdev)
{
u32 tmp;
int chansize, numchan;
/* Get VRAM informations */
rdev->mc.vram_is_ddr = true;
tmp = RREG32(MC_ARB_RAMCFG);
if (tmp & CHANSIZE_OVERRIDE) {
chansize = 16;
} else if (tmp & CHANSIZE_MASK) {
chansize = 64;
} else {
chansize = 32;
}
tmp = RREG32(MC_SHARED_CHMAP);
switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
case 0:
default:
numchan = 1;
break;
case 1:
numchan = 2;
break;
case 2:
numchan = 4;
break;
case 3:
numchan = 8;
break;
case 4:
numchan = 3;
break;
case 5:
numchan = 6;
break;
case 6:
numchan = 10;
break;
case 7:
numchan = 12;
break;
case 8:
numchan = 16;
break;
}
rdev->mc.vram_width = numchan * chansize;
/* Could aper size report 0 ? */
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
/* size in MB on si */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
si_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
return 0;
}
/*
* GART
*/
void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
/* flush hdp cache */
WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
/* bits 0-15 are the VM contexts0-15 */
WREG32(VM_INVALIDATE_REQUEST, 1);
}
static int si_pcie_gart_enable(struct radeon_device *rdev)
{
int r, i;
if (rdev->gart.robj == NULL) {
dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
return -EINVAL;
}
r = radeon_gart_table_vram_pin(rdev);
if (r)
return r;
radeon_gart_restore(rdev);
/* Setup TLB control */
WREG32(MC_VM_MX_L1_TLB_CNTL,
(0xA << 7) |
ENABLE_L1_TLB |
SYSTEM_ACCESS_MODE_NOT_IN_SYS |
ENABLE_ADVANCED_DRIVER_MODEL |
SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
EFFECTIVE_L2_QUEUE_SIZE(7) |
CONTEXT1_IDENTITY_ACCESS_MODE(1));
WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
L2_CACHE_BIGK_FRAGMENT_SIZE(0));
/* setup context0 */
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
WREG32(VM_CONTEXT0_CNTL2, 0);
WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
WREG32(0x15D4, 0);
WREG32(0x15D8, 0);
WREG32(0x15DC, 0);
/* empty context1-15 */
/* set vm size, must be a multiple of 4 */
WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
/* Assign the pt base to something valid for now; the pts used for
* the VMs are determined by the application and setup and assigned
* on the fly in the vm part of radeon_gart.c
*/
for (i = 1; i < 16; i++) {
if (i < 8)
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
rdev->gart.table_addr >> 12);
else
WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
rdev->gart.table_addr >> 12);
}
/* enable context1-15 */
WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
WREG32(VM_CONTEXT1_CNTL2, 4);
WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
READ_PROTECTION_FAULT_ENABLE_DEFAULT |
WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
si_pcie_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
(unsigned)(rdev->mc.gtt_size >> 20),
(unsigned long long)rdev->gart.table_addr);
rdev->gart.ready = true;
return 0;
}
static void si_pcie_gart_disable(struct radeon_device *rdev)
{
/* Disable all tables */
WREG32(VM_CONTEXT0_CNTL, 0);
WREG32(VM_CONTEXT1_CNTL, 0);
/* Setup TLB control */
WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
EFFECTIVE_L2_QUEUE_SIZE(7) |
CONTEXT1_IDENTITY_ACCESS_MODE(1));
WREG32(VM_L2_CNTL2, 0);
WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
L2_CACHE_BIGK_FRAGMENT_SIZE(0));
radeon_gart_table_vram_unpin(rdev);
}
static void si_pcie_gart_fini(struct radeon_device *rdev)
{
si_pcie_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
radeon_gart_fini(rdev);
}
/* vm parser */
static bool si_vm_reg_valid(u32 reg)
{
/* context regs are fine */
if (reg >= 0x28000)
return true;
/* check config regs */
switch (reg) {
case GRBM_GFX_INDEX:
case CP_STRMOUT_CNTL:
case VGT_VTX_VECT_EJECT_REG:
case VGT_CACHE_INVALIDATION:
case VGT_ESGS_RING_SIZE:
case VGT_GSVS_RING_SIZE:
case VGT_GS_VERTEX_REUSE:
case VGT_PRIMITIVE_TYPE:
case VGT_INDEX_TYPE:
case VGT_NUM_INDICES:
case VGT_NUM_INSTANCES:
case VGT_TF_RING_SIZE:
case VGT_HS_OFFCHIP_PARAM:
case VGT_TF_MEMORY_BASE:
case PA_CL_ENHANCE:
case PA_SU_LINE_STIPPLE_VALUE:
case PA_SC_LINE_STIPPLE_STATE:
case PA_SC_ENHANCE:
case SQC_CACHES:
case SPI_STATIC_THREAD_MGMT_1:
case SPI_STATIC_THREAD_MGMT_2:
case SPI_STATIC_THREAD_MGMT_3:
case SPI_PS_MAX_WAVE_ID:
case SPI_CONFIG_CNTL:
case SPI_CONFIG_CNTL_1:
case TA_CNTL_AUX:
return true;
default:
DRM_ERROR("Invalid register 0x%x in CS\n", reg);
return false;
}
}
static int si_vm_packet3_ce_check(struct radeon_device *rdev,
u32 *ib, struct radeon_cs_packet *pkt)
{
switch (pkt->opcode) {
case PACKET3_NOP:
case PACKET3_SET_BASE:
case PACKET3_SET_CE_DE_COUNTERS:
case PACKET3_LOAD_CONST_RAM:
case PACKET3_WRITE_CONST_RAM:
case PACKET3_WRITE_CONST_RAM_OFFSET:
case PACKET3_DUMP_CONST_RAM:
case PACKET3_INCREMENT_CE_COUNTER:
case PACKET3_WAIT_ON_DE_COUNTER:
case PACKET3_CE_WRITE:
break;
default:
DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
u32 *ib, struct radeon_cs_packet *pkt)
{
u32 idx = pkt->idx + 1;
u32 idx_value = ib[idx];
u32 start_reg, end_reg, reg, i;
u32 command, info;
switch (pkt->opcode) {
case PACKET3_NOP:
case PACKET3_SET_BASE:
case PACKET3_CLEAR_STATE:
case PACKET3_INDEX_BUFFER_SIZE:
case PACKET3_DISPATCH_DIRECT:
case PACKET3_DISPATCH_INDIRECT:
case PACKET3_ALLOC_GDS:
case PACKET3_WRITE_GDS_RAM:
case PACKET3_ATOMIC_GDS:
case PACKET3_ATOMIC:
case PACKET3_OCCLUSION_QUERY:
case PACKET3_SET_PREDICATION:
case PACKET3_COND_EXEC:
case PACKET3_PRED_EXEC:
case PACKET3_DRAW_INDIRECT:
case PACKET3_DRAW_INDEX_INDIRECT:
case PACKET3_INDEX_BASE:
case PACKET3_DRAW_INDEX_2:
case PACKET3_CONTEXT_CONTROL:
case PACKET3_INDEX_TYPE:
case PACKET3_DRAW_INDIRECT_MULTI:
case PACKET3_DRAW_INDEX_AUTO:
case PACKET3_DRAW_INDEX_IMMD:
case PACKET3_NUM_INSTANCES:
case PACKET3_DRAW_INDEX_MULTI_AUTO:
case PACKET3_STRMOUT_BUFFER_UPDATE:
case PACKET3_DRAW_INDEX_OFFSET_2:
case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
case PACKET3_MPEG_INDEX:
case PACKET3_WAIT_REG_MEM:
case PACKET3_MEM_WRITE:
case PACKET3_PFP_SYNC_ME:
case PACKET3_SURFACE_SYNC:
case PACKET3_EVENT_WRITE:
case PACKET3_EVENT_WRITE_EOP:
case PACKET3_EVENT_WRITE_EOS:
case PACKET3_SET_CONTEXT_REG:
case PACKET3_SET_CONTEXT_REG_INDIRECT:
case PACKET3_SET_SH_REG:
case PACKET3_SET_SH_REG_OFFSET:
case PACKET3_INCREMENT_DE_COUNTER:
case PACKET3_WAIT_ON_CE_COUNTER:
case PACKET3_WAIT_ON_AVAIL_BUFFER:
case PACKET3_ME_WRITE:
break;
case PACKET3_COPY_DATA:
if ((idx_value & 0xf00) == 0) {
reg = ib[idx + 3] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_WRITE_DATA:
if ((idx_value & 0xf00) == 0) {
start_reg = ib[idx + 1] * 4;
if (idx_value & 0x10000) {
if (!si_vm_reg_valid(start_reg))
return -EINVAL;
} else {
for (i = 0; i < (pkt->count - 2); i++) {
reg = start_reg + (4 * i);
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
}
}
break;
case PACKET3_COND_WRITE:
if (idx_value & 0x100) {
reg = ib[idx + 5] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_COPY_DW:
if (idx_value & 0x2) {
reg = ib[idx + 3] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_SET_CONFIG_REG:
start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
(start_reg >= PACKET3_SET_CONFIG_REG_END) ||
(end_reg >= PACKET3_SET_CONFIG_REG_END)) {
DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
return -EINVAL;
}
for (i = 0; i < pkt->count; i++) {
reg = start_reg + (4 * i);
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_CP_DMA:
command = ib[idx + 4];
info = ib[idx + 1];
if (command & PACKET3_CP_DMA_CMD_SAS) {
/* src address space is register */
if (((info & 0x60000000) >> 29) == 0) {
start_reg = idx_value << 2;
if (command & PACKET3_CP_DMA_CMD_SAIC) {
reg = start_reg;
if (!si_vm_reg_valid(reg)) {
DRM_ERROR("CP DMA Bad SRC register\n");
return -EINVAL;
}
} else {
for (i = 0; i < (command & 0x1fffff); i++) {
reg = start_reg + (4 * i);
if (!si_vm_reg_valid(reg)) {
DRM_ERROR("CP DMA Bad SRC register\n");
return -EINVAL;
}
}
}
}
}
if (command & PACKET3_CP_DMA_CMD_DAS) {
/* dst address space is register */
if (((info & 0x00300000) >> 20) == 0) {
start_reg = ib[idx + 2];
if (command & PACKET3_CP_DMA_CMD_DAIC) {
reg = start_reg;
if (!si_vm_reg_valid(reg)) {
DRM_ERROR("CP DMA Bad DST register\n");
return -EINVAL;
}
} else {
for (i = 0; i < (command & 0x1fffff); i++) {
reg = start_reg + (4 * i);
if (!si_vm_reg_valid(reg)) {
DRM_ERROR("CP DMA Bad DST register\n");
return -EINVAL;
}
}
}
}
}
break;
default:
DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
static int si_vm_packet3_compute_check(struct radeon_device *rdev,
u32 *ib, struct radeon_cs_packet *pkt)
{
u32 idx = pkt->idx + 1;
u32 idx_value = ib[idx];
u32 start_reg, reg, i;
switch (pkt->opcode) {
case PACKET3_NOP:
case PACKET3_SET_BASE:
case PACKET3_CLEAR_STATE:
case PACKET3_DISPATCH_DIRECT:
case PACKET3_DISPATCH_INDIRECT:
case PACKET3_ALLOC_GDS:
case PACKET3_WRITE_GDS_RAM:
case PACKET3_ATOMIC_GDS:
case PACKET3_ATOMIC:
case PACKET3_OCCLUSION_QUERY:
case PACKET3_SET_PREDICATION:
case PACKET3_COND_EXEC:
case PACKET3_PRED_EXEC:
case PACKET3_CONTEXT_CONTROL:
case PACKET3_STRMOUT_BUFFER_UPDATE:
case PACKET3_WAIT_REG_MEM:
case PACKET3_MEM_WRITE:
case PACKET3_PFP_SYNC_ME:
case PACKET3_SURFACE_SYNC:
case PACKET3_EVENT_WRITE:
case PACKET3_EVENT_WRITE_EOP:
case PACKET3_EVENT_WRITE_EOS:
case PACKET3_SET_CONTEXT_REG:
case PACKET3_SET_CONTEXT_REG_INDIRECT:
case PACKET3_SET_SH_REG:
case PACKET3_SET_SH_REG_OFFSET:
case PACKET3_INCREMENT_DE_COUNTER:
case PACKET3_WAIT_ON_CE_COUNTER:
case PACKET3_WAIT_ON_AVAIL_BUFFER:
case PACKET3_ME_WRITE:
break;
case PACKET3_COPY_DATA:
if ((idx_value & 0xf00) == 0) {
reg = ib[idx + 3] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_WRITE_DATA:
if ((idx_value & 0xf00) == 0) {
start_reg = ib[idx + 1] * 4;
if (idx_value & 0x10000) {
if (!si_vm_reg_valid(start_reg))
return -EINVAL;
} else {
for (i = 0; i < (pkt->count - 2); i++) {
reg = start_reg + (4 * i);
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
}
}
break;
case PACKET3_COND_WRITE:
if (idx_value & 0x100) {
reg = ib[idx + 5] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
case PACKET3_COPY_DW:
if (idx_value & 0x2) {
reg = ib[idx + 3] * 4;
if (!si_vm_reg_valid(reg))
return -EINVAL;
}
break;
default:
DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
{
int ret = 0;
u32 idx = 0;
struct radeon_cs_packet pkt;
do {
pkt.idx = idx;
pkt.type = CP_PACKET_GET_TYPE(ib->ptr[idx]);
pkt.count = CP_PACKET_GET_COUNT(ib->ptr[idx]);
pkt.one_reg_wr = 0;
switch (pkt.type) {
case PACKET_TYPE0:
dev_err(rdev->dev, "Packet0 not allowed!\n");
ret = -EINVAL;
break;
case PACKET_TYPE2:
idx += 1;
break;
case PACKET_TYPE3:
pkt.opcode = CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
if (ib->is_const_ib)
ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
else {
switch (ib->ring) {
case RADEON_RING_TYPE_GFX_INDEX:
ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
break;
case CAYMAN_RING_TYPE_CP1_INDEX:
case CAYMAN_RING_TYPE_CP2_INDEX:
ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
break;
default:
dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
ret = -EINVAL;
break;
}
}
idx += pkt.count + 2;
break;
default:
dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
ret = -EINVAL;
break;
}
if (ret)
break;
} while (idx < ib->length_dw);
return ret;
}
/*
* vm
*/
int si_vm_init(struct radeon_device *rdev)
{
/* number of VMs */
rdev->vm_manager.nvm = 16;
/* base offset of vram pages */
rdev->vm_manager.vram_base_offset = 0;
return 0;
}
void si_vm_fini(struct radeon_device *rdev)
{
}
/**
* si_vm_set_page - update the page tables using the CP
*
* @rdev: radeon_device pointer
* @pe: addr of the page entry
* @addr: dst addr to write into pe
* @count: number of page entries to update
* @incr: increase next addr by incr bytes
* @flags: access flags
*
* Update the page tables using the CP (cayman-si).
*/
void si_vm_set_page(struct radeon_device *rdev, uint64_t pe,
uint64_t addr, unsigned count,
uint32_t incr, uint32_t flags)
{
struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index];
uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
uint64_t value;
unsigned ndw;
if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) {
while (count) {
ndw = 2 + count * 2;
if (ndw > 0x3FFE)
ndw = 0x3FFE;
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(1)));
radeon_ring_write(ring, pe);
radeon_ring_write(ring, upper_32_bits(pe));
for (; ndw > 2; ndw -= 2, --count, pe += 8) {
if (flags & RADEON_VM_PAGE_SYSTEM) {
value = radeon_vm_map_gart(rdev, addr);
value &= 0xFFFFFFFFFFFFF000ULL;
} else if (flags & RADEON_VM_PAGE_VALID) {
value = addr;
} else {
value = 0;
}
addr += incr;
value |= r600_flags;
radeon_ring_write(ring, value);
radeon_ring_write(ring, upper_32_bits(value));
}
}
} else {
/* DMA */
if (flags & RADEON_VM_PAGE_SYSTEM) {
while (count) {
ndw = count * 2;
if (ndw > 0xFFFFE)
ndw = 0xFFFFE;
/* for non-physically contiguous pages (system) */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 0, ndw));
radeon_ring_write(ring, pe);
radeon_ring_write(ring, upper_32_bits(pe) & 0xff);
for (; ndw > 0; ndw -= 2, --count, pe += 8) {
if (flags & RADEON_VM_PAGE_SYSTEM) {
value = radeon_vm_map_gart(rdev, addr);
value &= 0xFFFFFFFFFFFFF000ULL;
} else if (flags & RADEON_VM_PAGE_VALID) {
value = addr;
} else {
value = 0;
}
addr += incr;
value |= r600_flags;
radeon_ring_write(ring, value);
radeon_ring_write(ring, upper_32_bits(value));
}
}
} else {
while (count) {
ndw = count * 2;
if (ndw > 0xFFFFE)
ndw = 0xFFFFE;
if (flags & RADEON_VM_PAGE_VALID)
value = addr;
else
value = 0;
/* for physically contiguous pages (vram) */
radeon_ring_write(ring, DMA_PTE_PDE_PACKET(ndw));
radeon_ring_write(ring, pe); /* dst addr */
radeon_ring_write(ring, upper_32_bits(pe) & 0xff);
radeon_ring_write(ring, r600_flags); /* mask */
radeon_ring_write(ring, 0);
radeon_ring_write(ring, value); /* value */
radeon_ring_write(ring, upper_32_bits(value));
radeon_ring_write(ring, incr); /* increment size */
radeon_ring_write(ring, 0);
pe += ndw * 4;
addr += (ndw / 2) * incr;
count -= ndw / 2;
}
}
}
}
void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
{
struct radeon_ring *ring = &rdev->ring[ridx];
if (vm == NULL)
return;
/* write new base address */
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(0)));
if (vm->id < 8) {
radeon_ring_write(ring,
(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2);
} else {
radeon_ring_write(ring,
(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2);
}
radeon_ring_write(ring, 0);
radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
/* flush hdp cache */
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(0)));
radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0x1);
/* bits 0-15 are the VM contexts0-15 */
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
WRITE_DATA_DST_SEL(0)));
radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 1 << vm->id);
/* sync PFP to ME, otherwise we might get invalid PFP reads */
radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
radeon_ring_write(ring, 0x0);
}
void si_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
{
struct radeon_ring *ring = &rdev->ring[ridx];
if (vm == NULL)
return;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0));
if (vm->id < 8) {
radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2));
} else {
radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2));
}
radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
/* flush hdp cache */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0));
radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2));
radeon_ring_write(ring, 1);
/* bits 0-7 are the VM contexts0-7 */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0));
radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2));
radeon_ring_write(ring, 1 << vm->id);
}
/*
* RLC
*/
void si_rlc_fini(struct radeon_device *rdev)
{
int r;
/* save restore block */
if (rdev->rlc.save_restore_obj) {
r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
if (unlikely(r != 0))
dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
radeon_bo_unpin(rdev->rlc.save_restore_obj);
radeon_bo_unreserve(rdev->rlc.save_restore_obj);
radeon_bo_unref(&rdev->rlc.save_restore_obj);
rdev->rlc.save_restore_obj = NULL;
}
/* clear state block */
if (rdev->rlc.clear_state_obj) {
r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
if (unlikely(r != 0))
dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
radeon_bo_unpin(rdev->rlc.clear_state_obj);
radeon_bo_unreserve(rdev->rlc.clear_state_obj);
radeon_bo_unref(&rdev->rlc.clear_state_obj);
rdev->rlc.clear_state_obj = NULL;
}
}
int si_rlc_init(struct radeon_device *rdev)
{
int r;
/* save restore block */
if (rdev->rlc.save_restore_obj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL,
&rdev->rlc.save_restore_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
return r;
}
}
r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
if (unlikely(r != 0)) {
si_rlc_fini(rdev);
return r;
}
r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
&rdev->rlc.save_restore_gpu_addr);
radeon_bo_unreserve(rdev->rlc.save_restore_obj);
if (r) {
dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
si_rlc_fini(rdev);
return r;
}
/* clear state block */
if (rdev->rlc.clear_state_obj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL,
&rdev->rlc.clear_state_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
si_rlc_fini(rdev);
return r;
}
}
r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
if (unlikely(r != 0)) {
si_rlc_fini(rdev);
return r;
}
r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
&rdev->rlc.clear_state_gpu_addr);
radeon_bo_unreserve(rdev->rlc.clear_state_obj);
if (r) {
dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
si_rlc_fini(rdev);
return r;
}
return 0;
}
static void si_rlc_stop(struct radeon_device *rdev)
{
WREG32(RLC_CNTL, 0);
}
static void si_rlc_start(struct radeon_device *rdev)
{
WREG32(RLC_CNTL, RLC_ENABLE);
}
static int si_rlc_resume(struct radeon_device *rdev)
{
u32 i;
const __be32 *fw_data;
if (!rdev->rlc_fw)
return -EINVAL;
si_rlc_stop(rdev);
WREG32(RLC_RL_BASE, 0);
WREG32(RLC_RL_SIZE, 0);
WREG32(RLC_LB_CNTL, 0);
WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
WREG32(RLC_LB_CNTR_INIT, 0);
WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
WREG32(RLC_MC_CNTL, 0);
WREG32(RLC_UCODE_CNTL, 0);
fw_data = (const __be32 *)rdev->rlc_fw->data;
for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
WREG32(RLC_UCODE_ADDR, 0);
si_rlc_start(rdev);
return 0;
}
static void si_enable_interrupts(struct radeon_device *rdev)
{
u32 ih_cntl = RREG32(IH_CNTL);
u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
ih_cntl |= ENABLE_INTR;
ih_rb_cntl |= IH_RB_ENABLE;
WREG32(IH_CNTL, ih_cntl);
WREG32(IH_RB_CNTL, ih_rb_cntl);
rdev->ih.enabled = true;
}
static void si_disable_interrupts(struct radeon_device *rdev)
{
u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
u32 ih_cntl = RREG32(IH_CNTL);
ih_rb_cntl &= ~IH_RB_ENABLE;
ih_cntl &= ~ENABLE_INTR;
WREG32(IH_RB_CNTL, ih_rb_cntl);
WREG32(IH_CNTL, ih_cntl);
/* set rptr, wptr to 0 */
WREG32(IH_RB_RPTR, 0);
WREG32(IH_RB_WPTR, 0);
rdev->ih.enabled = false;
rdev->ih.rptr = 0;
}
static void si_disable_interrupt_state(struct radeon_device *rdev)
{
u32 tmp;
WREG32(CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
WREG32(CP_INT_CNTL_RING1, 0);
WREG32(CP_INT_CNTL_RING2, 0);
tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
WREG32(GRBM_INT_CNTL, 0);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
if (rdev->num_crtc >= 4) {
WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
}
if (rdev->num_crtc >= 6) {
WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
}
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
if (rdev->num_crtc >= 4) {
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
}
if (rdev->num_crtc >= 6) {
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
}
WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD1_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD2_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD3_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD4_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD5_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
static int si_irq_init(struct radeon_device *rdev)
{
int ret = 0;
int rb_bufsz;
u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
/* allocate ring */
ret = r600_ih_ring_alloc(rdev);
if (ret)
return ret;
/* disable irqs */
si_disable_interrupts(rdev);
/* init rlc */
ret = si_rlc_resume(rdev);
if (ret) {
r600_ih_ring_fini(rdev);
return ret;
}
/* setup interrupt control */
/* set dummy read address to ring address */
WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
interrupt_cntl = RREG32(INTERRUPT_CNTL);
/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
* IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
*/
interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
WREG32(INTERRUPT_CNTL, interrupt_cntl);
WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
rb_bufsz = drm_order(rdev->ih.ring_size / 4);
ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
IH_WPTR_OVERFLOW_CLEAR |
(rb_bufsz << 1));
if (rdev->wb.enabled)
ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
/* set the writeback address whether it's enabled or not */
WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
WREG32(IH_RB_CNTL, ih_rb_cntl);
/* set rptr, wptr to 0 */
WREG32(IH_RB_RPTR, 0);
WREG32(IH_RB_WPTR, 0);
/* Default settings for IH_CNTL (disabled at first) */
ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
/* RPTR_REARM only works if msi's are enabled */
if (rdev->msi_enabled)
ih_cntl |= RPTR_REARM;
WREG32(IH_CNTL, ih_cntl);
/* force the active interrupt state to all disabled */
si_disable_interrupt_state(rdev);
pci_enable_busmaster(rdev->dev);
/* enable irqs */
si_enable_interrupts(rdev);
return ret;
}
int si_irq_set(struct radeon_device *rdev)
{
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
u32 grbm_int_cntl = 0;
u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
u32 dma_cntl, dma_cntl1;
if (!rdev->irq.installed) {
DRM_ERROR("Can't enable IRQ/MSI because no handler is installed\n");
return -EINVAL;
}
/* don't enable anything if the ih is disabled */
if (!rdev->ih.enabled) {
si_disable_interrupts(rdev);
/* force the active interrupt state to all disabled */
si_disable_interrupt_state(rdev);
return 0;
}
hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
/* enable CP interrupts on all rings */
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("si_irq_set: sw int gfx\n");
cp_int_cntl |= TIME_STAMP_INT_ENABLE;
}
if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
DRM_DEBUG("si_irq_set: sw int cp1\n");
cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
}
if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
DRM_DEBUG("si_irq_set: sw int cp2\n");
cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
}
if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
DRM_DEBUG("si_irq_set: sw int dma\n");
dma_cntl |= TRAP_ENABLE;
}
if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
DRM_DEBUG("si_irq_set: sw int dma1\n");
dma_cntl1 |= TRAP_ENABLE;
}
if (rdev->irq.crtc_vblank_int[0] ||
atomic_read(&rdev->irq.pflip[0])) {
DRM_DEBUG("si_irq_set: vblank 0\n");
crtc1 |= VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[1] ||
atomic_read(&rdev->irq.pflip[1])) {
DRM_DEBUG("si_irq_set: vblank 1\n");
crtc2 |= VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[2] ||
atomic_read(&rdev->irq.pflip[2])) {
DRM_DEBUG("si_irq_set: vblank 2\n");
crtc3 |= VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[3] ||
atomic_read(&rdev->irq.pflip[3])) {
DRM_DEBUG("si_irq_set: vblank 3\n");
crtc4 |= VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[4] ||
atomic_read(&rdev->irq.pflip[4])) {
DRM_DEBUG("si_irq_set: vblank 4\n");
crtc5 |= VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[5] ||
atomic_read(&rdev->irq.pflip[5])) {
DRM_DEBUG("si_irq_set: vblank 5\n");
crtc6 |= VBLANK_INT_MASK;
}
if (rdev->irq.hpd[0]) {
DRM_DEBUG("si_irq_set: hpd 1\n");
hpd1 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[1]) {
DRM_DEBUG("si_irq_set: hpd 2\n");
hpd2 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[2]) {
DRM_DEBUG("si_irq_set: hpd 3\n");
hpd3 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[3]) {
DRM_DEBUG("si_irq_set: hpd 4\n");
hpd4 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[4]) {
DRM_DEBUG("si_irq_set: hpd 5\n");
hpd5 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[5]) {
DRM_DEBUG("si_irq_set: hpd 6\n");
hpd6 |= DC_HPDx_INT_EN;
}
WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
if (rdev->num_crtc >= 4) {
WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
}
if (rdev->num_crtc >= 6) {
WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
}
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
if (rdev->num_crtc >= 4) {
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
}
if (rdev->num_crtc >= 6) {
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
}
WREG32(DC_HPD1_INT_CONTROL, hpd1);
WREG32(DC_HPD2_INT_CONTROL, hpd2);
WREG32(DC_HPD3_INT_CONTROL, hpd3);
WREG32(DC_HPD4_INT_CONTROL, hpd4);
WREG32(DC_HPD5_INT_CONTROL, hpd5);
WREG32(DC_HPD6_INT_CONTROL, hpd6);
return 0;
}
static inline void si_irq_ack(struct radeon_device *rdev)
{
u32 tmp;
rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
if (rdev->num_crtc >= 4) {
rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
}
if (rdev->num_crtc >= 6) {
rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
}
if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
if (rdev->num_crtc >= 4) {
if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
}
if (rdev->num_crtc >= 6) {
if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
}
if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
tmp = RREG32(DC_HPD1_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD1_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
tmp = RREG32(DC_HPD2_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD2_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
tmp = RREG32(DC_HPD3_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD3_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
tmp = RREG32(DC_HPD4_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD4_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
}
static void si_irq_disable(struct radeon_device *rdev)
{
si_disable_interrupts(rdev);
/* Wait and acknowledge irq */
mdelay(1);
si_irq_ack(rdev);
si_disable_interrupt_state(rdev);
}
static void si_irq_suspend(struct radeon_device *rdev)
{
si_irq_disable(rdev);
si_rlc_stop(rdev);
}
static void si_irq_fini(struct radeon_device *rdev)
{
si_irq_suspend(rdev);
r600_ih_ring_fini(rdev);
}
static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
{
u32 wptr, tmp;
if (rdev->wb.enabled)
wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
else
wptr = RREG32(IH_RB_WPTR);
if (wptr & RB_OVERFLOW) {
/* When a ring buffer overflow happen start parsing interrupt
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;
WREG32(IH_RB_CNTL, tmp);
}
return (wptr & rdev->ih.ptr_mask);
}
/* SI IV Ring
* Each IV ring entry is 128 bits:
* [7:0] - interrupt source id
* [31:8] - reserved
* [59:32] - interrupt source data
* [63:60] - reserved
* [71:64] - RINGID
* [79:72] - VMID
* [127:80] - reserved
*/
irqreturn_t si_irq_process(struct radeon_device *rdev)
{
u32 wptr;
u32 rptr;
u32 src_id, src_data, ring_id;
u32 ring_index;
bool queue_hotplug = false;
if (!rdev->ih.enabled || rdev->shutdown)
return IRQ_NONE;
wptr = si_get_ih_wptr(rdev);
restart_ih:
/* is somebody else already processing irqs? */
if (atomic_xchg(&rdev->ih.lock, 1))
return IRQ_NONE;
rptr = rdev->ih.rptr;
DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
/* Order reading of wptr vs. reading of IH ring data */
rmb();
/* display interrupts */
si_irq_ack(rdev);
while (rptr != wptr) {
/* wptr/rptr are in bytes! */
ring_index = rptr / 4;
src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
switch (src_id) {
case 1: /* D1 vblank/vline */
switch (src_data) {
case 0: /* D1 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[0]) {
drm_handle_vblank(rdev->ddev, 0);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
radeon_crtc_handle_flip(rdev, 0);
rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
break;
case 1: /* D1 vline */
if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
DRM_DEBUG("IH: D1 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 2: /* D2 vblank/vline */
switch (src_data) {
case 0: /* D2 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[1]) {
drm_handle_vblank(rdev->ddev, 1);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
radeon_crtc_handle_flip(rdev, 1);
rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
break;
case 1: /* D2 vline */
if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
DRM_DEBUG("IH: D2 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 3: /* D3 vblank/vline */
switch (src_data) {
case 0: /* D3 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[2]) {
drm_handle_vblank(rdev->ddev, 2);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[2]))
radeon_crtc_handle_flip(rdev, 2);
rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D3 vblank\n");
}
break;
case 1: /* D3 vline */
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
DRM_DEBUG("IH: D3 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 4: /* D4 vblank/vline */
switch (src_data) {
case 0: /* D4 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[3]) {
drm_handle_vblank(rdev->ddev, 3);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[3]))
radeon_crtc_handle_flip(rdev, 3);
rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D4 vblank\n");
}
break;
case 1: /* D4 vline */
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
DRM_DEBUG("IH: D4 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 5: /* D5 vblank/vline */
switch (src_data) {
case 0: /* D5 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[4]) {
drm_handle_vblank(rdev->ddev, 4);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[4]))
radeon_crtc_handle_flip(rdev, 4);
rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D5 vblank\n");
}
break;
case 1: /* D5 vline */
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
DRM_DEBUG("IH: D5 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 6: /* D6 vblank/vline */
switch (src_data) {
case 0: /* D6 vblank */
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[5]) {
drm_handle_vblank(rdev->ddev, 5);
rdev->pm.vblank_sync = true;
DRM_WAKEUP(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[5]))
radeon_crtc_handle_flip(rdev, 5);
rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D6 vblank\n");
}
break;
case 1: /* D6 vline */
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
DRM_DEBUG("IH: D6 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 42: /* HPD hotplug */
switch (src_data) {
case 0:
if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD1\n");
}
break;
case 1:
if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD2\n");
}
break;
case 2:
if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD3\n");
}
break;
case 3:
if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD4\n");
}
break;
case 4:
if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD5\n");
}
break;
case 5:
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD6\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 146:
case 147:
dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
/* reset addr and status */
WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
break;
case 176: /* RINGID0 CP_INT */
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 177: /* RINGID1 CP_INT */
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
break;
case 178: /* RINGID2 CP_INT */
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
break;
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
switch (ring_id) {
case 0:
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 1:
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
break;
case 2:
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
break;
}
break;
case 224: /* DMA trap event */
DRM_DEBUG("IH: DMA trap\n");
radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
break;
case 233: /* GUI IDLE */
DRM_DEBUG("IH: GUI idle\n");
break;
case 244: /* DMA trap event */
DRM_DEBUG("IH: DMA1 trap\n");
radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
/* wptr/rptr are in bytes! */
rptr += 16;
rptr &= rdev->ih.ptr_mask;
}
if (queue_hotplug)
taskqueue_enqueue(rdev->tq, &rdev->hotplug_work);
rdev->ih.rptr = rptr;
WREG32(IH_RB_RPTR, rdev->ih.rptr);
atomic_set(&rdev->ih.lock, 0);
/* make sure wptr hasn't changed while processing */
wptr = si_get_ih_wptr(rdev);
if (wptr != rptr)
goto restart_ih;
return IRQ_HANDLED;
}
/**
* si_copy_dma - copy pages using the DMA engine
*
* @rdev: radeon_device pointer
* @src_offset: src GPU address
* @dst_offset: dst GPU address
* @num_gpu_pages: number of GPU pages to xfer
* @fence: radeon fence object
*
* Copy GPU paging using the DMA engine (SI).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
int si_copy_dma(struct radeon_device *rdev,
uint64_t src_offset, uint64_t dst_offset,
unsigned num_gpu_pages,
struct radeon_fence **fence)
{
struct radeon_semaphore *sem = NULL;
int ring_index = rdev->asic->copy.dma_ring_index;
struct radeon_ring *ring = &rdev->ring[ring_index];
u32 size_in_bytes, cur_size_in_bytes;
int i, num_loops;
int r = 0;
r = radeon_semaphore_create(rdev, &sem);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
return r;
}
size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
num_loops = DIV_ROUND_UP(size_in_bytes, 0xfffff);
r = radeon_ring_lock(rdev, ring, num_loops * 5 + 11);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
radeon_semaphore_free(rdev, &sem, NULL);
return r;
}
if (radeon_fence_need_sync(*fence, ring->idx)) {
radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
ring->idx);
radeon_fence_note_sync(*fence, ring->idx);
} else {
radeon_semaphore_free(rdev, &sem, NULL);
}
for (i = 0; i < num_loops; i++) {
cur_size_in_bytes = size_in_bytes;
if (cur_size_in_bytes > 0xFFFFF)
cur_size_in_bytes = 0xFFFFF;
size_in_bytes -= cur_size_in_bytes;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 1, 0, 0, cur_size_in_bytes));
radeon_ring_write(ring, dst_offset & 0xffffffff);
radeon_ring_write(ring, src_offset & 0xffffffff);
radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
src_offset += cur_size_in_bytes;
dst_offset += cur_size_in_bytes;
}
r = radeon_fence_emit(rdev, fence, ring->idx);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
return r;
}
radeon_ring_unlock_commit(rdev, ring);
radeon_semaphore_free(rdev, &sem, *fence);
return r;
}
/*
* startup/shutdown callbacks
*/
static int si_startup(struct radeon_device *rdev)
{
struct radeon_ring *ring;
int r;
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
!rdev->rlc_fw || !rdev->mc_fw) {
r = si_init_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load firmware!\n");
return r;
}
}
r = si_mc_load_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load MC firmware!\n");
return r;
}
r = r600_vram_scratch_init(rdev);
if (r)
return r;
si_mc_program(rdev);
r = si_pcie_gart_enable(rdev);
if (r)
return r;
si_gpu_init(rdev);
#if 0
r = evergreen_blit_init(rdev);
if (r) {
r600_blit_fini(rdev);
rdev->asic->copy = NULL;
dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
}
#endif
/* allocate rlc buffers */
r = si_rlc_init(rdev);
if (r) {
DRM_ERROR("Failed to init rlc BOs!\n");
return r;
}
/* allocate wb buffer */
r = radeon_wb_init(rdev);
if (r)
return r;
r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
return r;
}
r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
return r;
}
/* Enable IRQ */
r = si_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
radeon_irq_kms_fini(rdev);
return r;
}
si_irq_set(rdev);
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
CP_RB0_RPTR, CP_RB0_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
CP_RB1_RPTR, CP_RB1_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
CP_RB2_RPTR, CP_RB2_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
DMA_RB_RPTR + DMA0_REGISTER_OFFSET,
DMA_RB_WPTR + DMA0_REGISTER_OFFSET,
2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
DMA_RB_RPTR + DMA1_REGISTER_OFFSET,
DMA_RB_WPTR + DMA1_REGISTER_OFFSET,
2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
if (r)
return r;
r = si_cp_load_microcode(rdev);
if (r)
return r;
r = si_cp_resume(rdev);
if (r)
return r;
r = cayman_dma_resume(rdev);
if (r)
return r;
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
return r;
}
r = radeon_vm_manager_init(rdev);
if (r) {
dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
return r;
}
return 0;
}
int si_resume(struct radeon_device *rdev)
{
int r;
/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
* posting will perform necessary task to bring back GPU into good
* shape.
*/
/* post card */
atom_asic_init(rdev->mode_info.atom_context);
rdev->accel_working = true;
r = si_startup(rdev);
if (r) {
DRM_ERROR("si startup failed on resume\n");
rdev->accel_working = false;
return r;
}
return r;
}
int si_suspend(struct radeon_device *rdev)
{
radeon_vm_manager_fini(rdev);
si_cp_enable(rdev, false);
cayman_dma_stop(rdev);
si_irq_suspend(rdev);
radeon_wb_disable(rdev);
si_pcie_gart_disable(rdev);
return 0;
}
/* Plan is to move initialization in that function and use
* helper function so that radeon_device_init pretty much
* do nothing more than calling asic specific function. This
* should also allow to remove a bunch of callback function
* like vram_info.
*/
int si_init(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
int r;
/* Read BIOS */
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
/* Must be an ATOMBIOS */
if (!rdev->is_atom_bios) {
dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
return -EINVAL;
}
r = radeon_atombios_init(rdev);
if (r)
return r;
/* Post card if necessary */
if (!radeon_card_posted(rdev)) {
if (!rdev->bios) {
dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
return -EINVAL;
}
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
}
/* Initialize scratch registers */
si_scratch_init(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r)
return r;
/* initialize memory controller */
r = si_mc_init(rdev);
if (r)
return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
return r;
r = radeon_irq_kms_init(rdev);
if (r)
return r;
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 64 * 1024);
ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 64 * 1024);
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
r = r600_pcie_gart_init(rdev);
if (r)
return r;
rdev->accel_working = true;
r = si_startup(rdev);
if (r) {
dev_err(rdev->dev, "disabling GPU acceleration\n");
si_cp_fini(rdev);
cayman_dma_fini(rdev);
si_irq_fini(rdev);
si_rlc_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_vm_manager_fini(rdev);
radeon_irq_kms_fini(rdev);
si_pcie_gart_fini(rdev);
rdev->accel_working = false;
}
/* Don't start up if the MC ucode is missing.
* The default clocks and voltages before the MC ucode
* is loaded are not suffient for advanced operations.
*/
if (!rdev->mc_fw) {
DRM_ERROR("radeon: MC ucode required for NI+.\n");
return -EINVAL;
}
return 0;
}
void si_fini(struct radeon_device *rdev)
{
#if 0
r600_blit_fini(rdev);
#endif
si_cp_fini(rdev);
cayman_dma_fini(rdev);
si_irq_fini(rdev);
si_rlc_fini(rdev);
radeon_wb_fini(rdev);
radeon_vm_manager_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
si_pcie_gart_fini(rdev);
r600_vram_scratch_fini(rdev);
radeon_gem_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_bo_fini(rdev);
radeon_atombios_fini(rdev);
si_fini_microcode(rdev);
free(rdev->bios, DRM_MEM_DRIVER);
rdev->bios = NULL;
}
/**
* si_get_gpu_clock - return GPU clock counter snapshot
*
* @rdev: radeon_device pointer
*
* Fetches a GPU clock counter snapshot (SI).
* Returns the 64 bit clock counter snapshot.
*/
uint64_t si_get_gpu_clock(struct radeon_device *rdev)
{
uint64_t clock;
sx_xlock(&rdev->gpu_clock_mutex);
WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
sx_xunlock(&rdev->gpu_clock_mutex);
return clock;
}
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