ddd5c68e84
at irq install/uninstall time, but when we vt switch, we uninstall the irq handler. When the irq handler is reinstalled, the modeset ioctl happens first. The modeset ioctl is supposed to tell us that we can disable vblank interrupts if there are no active consumers. This will fail after a vt switch until another modeset ioctl is called via dpms or xrandr. Leading to cases where either interrupts are on and can't be disabled, or worse, no interrupts at all. MFC after: 2 weeks
137 lines
4.0 KiB
C
137 lines
4.0 KiB
C
/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
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* Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
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*/
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/*-
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rickard E. (Rik) Faith <faith@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "dev/drm/drmP.h"
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#include "dev/drm/drm.h"
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#include "dev/drm/r128_drm.h"
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#include "dev/drm/r128_drv.h"
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#include "dev/drm/drm_pciids.h"
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/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
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static drm_pci_id_list_t r128_pciidlist[] = {
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r128_PCI_IDS
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};
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static void r128_configure(struct drm_device *dev)
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{
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dev->driver->driver_features =
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DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
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DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
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dev->driver->buf_priv_size = sizeof(drm_r128_buf_priv_t);
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dev->driver->load = r128_driver_load;
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dev->driver->preclose = r128_driver_preclose;
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dev->driver->lastclose = r128_driver_lastclose;
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dev->driver->get_vblank_counter = r128_get_vblank_counter;
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dev->driver->enable_vblank = r128_enable_vblank;
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dev->driver->disable_vblank = r128_disable_vblank;
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dev->driver->irq_preinstall = r128_driver_irq_preinstall;
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dev->driver->irq_postinstall = r128_driver_irq_postinstall;
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dev->driver->irq_uninstall = r128_driver_irq_uninstall;
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dev->driver->irq_handler = r128_driver_irq_handler;
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dev->driver->dma_ioctl = r128_cce_buffers;
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dev->driver->ioctls = r128_ioctls;
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dev->driver->max_ioctl = r128_max_ioctl;
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dev->driver->name = DRIVER_NAME;
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dev->driver->desc = DRIVER_DESC;
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dev->driver->date = DRIVER_DATE;
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dev->driver->major = DRIVER_MAJOR;
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dev->driver->minor = DRIVER_MINOR;
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dev->driver->patchlevel = DRIVER_PATCHLEVEL;
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}
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static int
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r128_probe(device_t dev)
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{
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return drm_probe(dev, r128_pciidlist);
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}
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static int
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r128_attach(device_t nbdev)
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{
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struct drm_device *dev = device_get_softc(nbdev);
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dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
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M_WAITOK | M_ZERO);
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r128_configure(dev);
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return drm_attach(nbdev, r128_pciidlist);
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}
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int r128_driver_load(struct drm_device * dev, unsigned long flags)
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{
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return drm_vblank_init(dev, 1);
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}
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static int
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r128_detach(device_t nbdev)
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{
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struct drm_device *dev = device_get_softc(nbdev);
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int ret;
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ret = drm_detach(nbdev);
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free(dev->driver, DRM_MEM_DRIVER);
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return ret;
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}
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static device_method_t r128_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, r128_probe),
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DEVMETHOD(device_attach, r128_attach),
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DEVMETHOD(device_detach, r128_detach),
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{ 0, 0 }
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};
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static driver_t r128_driver = {
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"drm",
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r128_methods,
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sizeof(struct drm_device)
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};
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extern devclass_t drm_devclass;
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#if __FreeBSD_version >= 700010
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DRIVER_MODULE(r128, vgapci, r128_driver, drm_devclass, 0, 0);
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#else
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DRIVER_MODULE(r128, pci, r128_driver, drm_devclass, 0, 0);
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#endif
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MODULE_DEPEND(r128, drm, 1, 1, 1);
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