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authorChristian König <christian.koenig@amd.com>2021-01-27 13:20:40 +0100
committerAlex Deucher <alexander.deucher@amd.com>2021-02-02 12:06:54 -0500
commitdd017d01c3d96e48abd6fe6ccce4ef977fb5e10b (patch)
tree4359e89d95eceda63e982658de315720d1902a63 /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
parente487cb54db1b42a2c7907defb14c71ab27622f9b (diff)
drm/amdgpu: enable freesync for A+A configs
Some newer APUs can scanout directly from GTT, that saves us from allocating another bounce buffer in VRAM and enables freesync in such configurations. Without this patch creating a framebuffer from the imported BO will fail and userspace will fall back to a copy. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index f764803c53a4..48cb33e5b382 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -926,8 +926,10 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
- struct drm_gem_object *obj;
struct amdgpu_framebuffer *amdgpu_fb;
+ struct drm_gem_object *obj;
+ struct amdgpu_bo *bo;
+ uint32_t domains;
int ret;
obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
@@ -938,7 +940,9 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
}
/* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */
- if (obj->import_attach) {
+ bo = gem_to_amdgpu_bo(obj);
+ domains = amdgpu_display_supported_domains(drm_to_adev(dev), bo->flags);
+ if (obj->import_attach && !(domains & AMDGPU_GEM_DOMAIN_GTT)) {
drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n");
return ERR_PTR(-EINVAL);
}