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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2019-05-08 10:26:17 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-05-15 16:17:06 +0200 |
| commit | 5c9dcacfe56673555540933017c54e8f39e947cb (patch) | |
| tree | 9fc985c04a60f9ab129e6324c4be48864a1cefff | |
| parent | 96352eca5c7c36c3e0eb97a6d68fb170ce643ea5 (diff) | |
| download | linux-stable-5c9dcacfe56673555540933017c54e8f39e947cb.tar.gz linux-stable-5c9dcacfe56673555540933017c54e8f39e947cb.tar.bz2 linux-stable-5c9dcacfe56673555540933017c54e8f39e947cb.zip | |
drm: Add default instance for VRAM MM callback functions
VRAM MM is most likely be used with GEM VRAM. The latter now provides the
required instance of struct drm_vram_mm_funcs for drivers to use.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-8-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_gem_vram_helper.c | 14 | ||||
| -rw-r--r-- | include/drm/drm_gem_vram_helper.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 15c6193e4985..c21b1f920e0a 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -3,6 +3,7 @@ #include <drm/drm_gem_vram_helper.h> #include <drm/drm_mode.h> #include <drm/drm_prime.h> +#include <drm/drm_vram_mm_helper.h> #include <drm/ttm/ttm_page_alloc.h> /** @@ -524,6 +525,19 @@ int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, } EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access); +/** + * drm_gem_vram_mm_funcs - Functions for &struct drm_vram_mm + * + * Most users of @struct drm_gem_vram_object will also use + * @struct drm_vram_mm. This instance of &struct drm_vram_mm_funcs + * can be used to connect both. + */ +const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs = { + .evict_flags = drm_gem_vram_bo_driver_evict_flags, + .verify_access = drm_gem_vram_bo_driver_verify_access +}; +EXPORT_SYMBOL(drm_gem_vram_mm_funcs); + /* * Helpers for struct drm_driver */ diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 9a8bd98b623f..7971656afe87 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -9,6 +9,7 @@ #include <linux/kernel.h> /* for container_of() */ struct drm_mode_create_dumb; +struct drm_vram_mm_funcs; struct filp; #define DRM_GEM_VRAM_PL_FLAG_VRAM TTM_PL_FLAG_VRAM @@ -107,6 +108,8 @@ void drm_gem_vram_bo_driver_evict_flags(struct ttm_buffer_object *bo, int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, struct file *filp); +extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs; + /* * Helpers for struct drm_driver */ |