From aa1f683bf3a2008d4e8048249bef93e646f5ad3c Mon Sep 17 00:00:00 2001 From: Michal Meloun Date: Sun, 13 Nov 2016 13:31:23 +0000 Subject: [PATCH] Allow DRM2 code to be built on platforms without AGP. This patch is taken from original drm-3.8 code. Differential Revision: https://reviews.freebsd.org/D8454 MFC after: 3 weeks --- sys/dev/drm2/drmP.h | 207 +++++++++++++++++++++++++++------ sys/dev/drm2/drm_memory.c | 4 +- sys/dev/drm2/drm_os_freebsd.c | 2 + sys/dev/drm2/drm_os_freebsd.h | 2 + sys/dev/drm2/ttm/ttm_bo_util.c | 3 +- 5 files changed, 178 insertions(+), 40 deletions(-) diff --git a/sys/dev/drm2/drmP.h b/sys/dev/drm2/drmP.h index 508fc3099179..51f407c14a94 100644 --- a/sys/dev/drm2/drmP.h +++ b/sys/dev/drm2/drmP.h @@ -1204,17 +1204,6 @@ int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size, struct vm_object **obj_res, int nprot); d_poll_t drm_poll; - /* Memory management support (drm_memory.h) */ -extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); -extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); -#ifdef FREEBSD_NOTYET -extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, - struct page **pages, - unsigned long num_pages, - uint32_t gtt_offset, - uint32_t type); -#endif /* FREEBSD_NOTYET */ -extern int drm_unbind_agp(DRM_AGP_MEM * handle); /* Misc. IOCTL support (drm_ioctl.h) */ extern int drm_irq_by_busid(struct drm_device *dev, void *data, @@ -1363,32 +1352,6 @@ extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); extern int drm_modeset_ctl(struct drm_device *dev, void *data, struct drm_file *file_priv); - /* AGP/GART support (drm_agpsupport.h) */ -extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); -extern int drm_agp_acquire(struct drm_device *dev); -extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_release(struct drm_device *dev); -extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); -extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); -extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); -extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); -extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); -extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); -extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); /* Stub support (drm_stub.h) */ extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, @@ -1814,5 +1777,175 @@ int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, struct ttm_buffer_object; void ttm_bo_release_mmap(struct ttm_buffer_object *bo); +#if __OS_HAS_AGP + /* Memory management support (drm_memory.h) */ +extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); +extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); +#ifdef FREEBSD_NOTYET +extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, + struct page **pages, + unsigned long num_pages, + uint32_t gtt_offset, + uint32_t type); +#endif /* FREEBSD_NOTYET */ +extern int drm_unbind_agp(DRM_AGP_MEM * handle); + + /* AGP/GART support (drm_agpsupport.h) */ +extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); +extern int drm_agp_acquire(struct drm_device *dev); +extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_release(struct drm_device *dev); +extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); +extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); +extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); +extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); +extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); +extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); +extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +#else + +static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages) +{ +} + +static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) +{ + return -ENODEV; +} + +static inline int drm_unbind_agp(DRM_AGP_MEM * handle) +{ + return -ENODEV; +} +#ifdef FREEBSD_NOTYET +static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev, + struct page **pages, + unsigned long num_pages, + uint32_t gtt_offset, + uint32_t type) +{ + return NULL; +} +#endif +static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev) +{ + return NULL; +} + +static inline void drm_agp_clear(struct drm_device *dev) +{ +} + +static inline int drm_agp_acquire(struct drm_device *dev) +{ + return -ENODEV; +} + +static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_release(struct drm_device *dev) +{ + return -ENODEV; +} + +static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_enable(struct drm_device *dev, + struct drm_agp_mode mode) +{ + return -ENODEV; +} + +static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_info(struct drm_device *dev, + struct drm_agp_info *info) +{ + return -ENODEV; +} + +static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_alloc(struct drm_device *dev, + struct drm_agp_buffer *request) +{ + return -ENODEV; +} + +static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_free(struct drm_device *dev, + struct drm_agp_buffer *request) +{ + return -ENODEV; +} + +static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_unbind(struct drm_device *dev, + struct drm_agp_binding *request) +{ + return -ENODEV; +} + +static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_bind(struct drm_device *dev, + struct drm_agp_binding *request) +{ + return -ENODEV; +} + +static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +#endif /* __OS_HAS_AGP */ + #endif /* __KERNEL__ */ #endif diff --git a/sys/dev/drm2/drm_memory.c b/sys/dev/drm2/drm_memory.c index a25e5a288ee1..226c2c15734b 100644 --- a/sys/dev/drm2/drm_memory.c +++ b/sys/dev/drm2/drm_memory.c @@ -38,6 +38,8 @@ __FBSDID("$FreeBSD$"); #include +#define vunmap(handle) + #if __OS_HAS_AGP static void *agp_remap(unsigned long offset, unsigned long size, struct drm_device * dev) @@ -50,8 +52,6 @@ static void *agp_remap(unsigned long offset, unsigned long size, return NULL; } -#define vunmap(handle) - /** Wrapper around agp_free_memory() */ void drm_free_agp(DRM_AGP_MEM * handle, int pages) { diff --git a/sys/dev/drm2/drm_os_freebsd.c b/sys/dev/drm2/drm_os_freebsd.c index d8b45e8fb580..4ce8081887ba 100644 --- a/sys/dev/drm2/drm_os_freebsd.c +++ b/sys/dev/drm2/drm_os_freebsd.c @@ -347,6 +347,7 @@ dmi_check_system(const struct dmi_system_id *sysid) return (res); } +#if __OS_HAS_MTRR int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags) { @@ -375,6 +376,7 @@ drm_mtrr_del(int handle __unused, unsigned long offset, unsigned long size, strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); return (-mem_range_attr_set(&mrdesc, &act)); } +#endif void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages) diff --git a/sys/dev/drm2/drm_os_freebsd.h b/sys/dev/drm2/drm_os_freebsd.h index 3c9983838e1d..dc01c6a64595 100644 --- a/sys/dev/drm2/drm_os_freebsd.h +++ b/sys/dev/drm2/drm_os_freebsd.h @@ -592,8 +592,10 @@ typedef struct drm_pci_id_list #define CONFIG_COMPAT #endif +#ifndef __arm__ #define CONFIG_AGP 1 #define CONFIG_MTRR 1 +#endif #define CONFIG_FB 1 extern const char *fb_mode_option; diff --git a/sys/dev/drm2/ttm/ttm_bo_util.c b/sys/dev/drm2/ttm/ttm_bo_util.c index fbbaaf2029fa..c53bb21450d8 100644 --- a/sys/dev/drm2/ttm/ttm_bo_util.c +++ b/sys/dev/drm2/ttm/ttm_bo_util.c @@ -439,7 +439,8 @@ ttm_buffer_object_transfer(struct ttm_buffer_object *bo, vm_memattr_t ttm_io_prot(uint32_t caching_flags) { -#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) +#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || \ + defined(__arm__) if (caching_flags & TTM_PL_FLAG_WC) return (VM_MEMATTR_WRITE_COMBINING); else