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drm/amdgpu: allow framebuffer in GART memory as well

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On CZ and newer APUs we can pin the fb into GART as well as VRAM.

v2: Don't enable gpu_vm_support for Raven yet since it leads to
    a black screen. Need to debug this further before enabling.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2017-10-26 18:06:23 +02:00
committed by Alex Deucher
parent c8553f4bd2
commit 5d43be0ccb
4 changed files with 29 additions and 7 deletions
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11
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -2984,11 +2984,13 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
{
struct amdgpu_framebuffer *afb;
struct drm_gem_object *obj;
struct amdgpu_device *adev;
struct amdgpu_bo *rbo;
uint64_t chroma_addr = 0;
int r;
struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
unsigned int awidth;
uint32_t domain;
int r;
dm_plane_state_old = to_dm_plane_state(plane->state);
dm_plane_state_new = to_dm_plane_state(new_state);
@@ -3002,12 +3004,17 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
obj = afb->obj;
rbo = gem_to_amdgpu_bo(obj);
adev = amdgpu_ttm_adev(rbo->tbo.bdev);
r = amdgpu_bo_reserve(rbo, false);
if (unlikely(r != 0))
return r;
r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &afb->address);
if (plane->type != DRM_PLANE_TYPE_CURSOR)
domain = amdgpu_display_framebuffer_domains(adev);
else
domain = AMDGPU_GEM_DOMAIN_VRAM;
r = amdgpu_bo_pin(rbo, domain, &afb->address);
amdgpu_bo_unreserve(rbo);