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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-07-17 12:26:29 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-08-05 08:53:35 -0400 |
| commit | 391bfec33cd4e103274f197924d41ef648b849de (patch) | |
| tree | bafd9a543a1c258ac747faa01f8b0ff2cd5404e8 | |
| parent | 2c6316cbcd724adaea123a64a939b0ec4c39d009 (diff) | |
| download | linux-391bfec33cd4e103274f197924d41ef648b849de.tar.bz2 | |
drm/radeon: remove visible vram size limit on bo allocation (v4)
Now that fallback to gtt is fixed for cpu access, we can
remove this limit.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=78717
v2: use new gart_pin_size to accurately track available gtt.
v3: fix comment
v4: clarify comment
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 12 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index ee101b24ede1..f9ffd98aa6a4 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -547,7 +547,7 @@ struct radeon_gem { int radeon_gem_init(struct radeon_device *rdev); void radeon_gem_fini(struct radeon_device *rdev); -int radeon_gem_object_create(struct radeon_device *rdev, int size, +int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size, int alignment, int initial_domain, u32 flags, bool discardable, bool kernel, struct drm_gem_object **obj); diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 1ec62444e32e..a2ae91a4862e 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -40,7 +40,7 @@ void radeon_gem_object_free(struct drm_gem_object *gobj) } } -int radeon_gem_object_create(struct radeon_device *rdev, int size, +int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size, int alignment, int initial_domain, u32 flags, bool discardable, bool kernel, struct drm_gem_object **obj) @@ -55,10 +55,12 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size, alignment = PAGE_SIZE; } - /* maximun bo size is the minimun btw visible vram and gtt size */ - max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size); + /* Maximum bo size is the unpinned gtt size since we use the gtt to + * handle vram to system pool migrations. + */ + max_size = rdev->mc.gtt_size - rdev->gart_pin_size; if (size > max_size) { - DRM_DEBUG("Allocation size %dMb bigger than %ldMb limit\n", + DRM_DEBUG("Allocation size %ldMb bigger than %ldMb limit\n", size >> 20, max_size >> 20); return -ENOMEM; } @@ -72,7 +74,7 @@ retry: initial_domain |= RADEON_GEM_DOMAIN_GTT; goto retry; } - DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n", + DRM_ERROR("Failed to allocate GEM object (%ld, %d, %u, %d)\n", size, initial_domain, alignment, r); } return r; |