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drm/amdgpu: add amdgpu_gmc_agp_location v3

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Helper to figure out the location of the AGP BAR.

v2: fix a couple of bugs
v3: correctly add one to vram_end

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-08-24 12:08:06 +02:00
committed by Alex Deucher
parent ad9a5b78f5
commit d76364fc7f
2 changed files with 48 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@@ -94,6 +94,9 @@ struct amdgpu_gmc {
* about vram size near mc fb location */
u64 mc_vram_size;
u64 visible_vram_size;
u64 agp_size;
u64 agp_start;
u64 agp_end;
u64 gart_size;
u64 gart_start;
u64 gart_end;
@@ -166,5 +169,7 @@ void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
u64 base);
void amdgpu_gmc_gart_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc);
void amdgpu_gmc_agp_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc);
#endif