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drm/amdgpu: cleanup visible vram size handling

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Centralize the limit handling and validation in one place instead
of spreading that around in different hw generations.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2022-02-04 16:17:47 +01:00
committed by Alex Deucher
parent 7ccfd79fdd
commit da2f992091
6 changed files with 7 additions and 19 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@@ -201,6 +201,7 @@ uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo)
void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
u64 base)
{
uint64_t vis_limit = (uint64_t)amdgpu_vis_vram_limit << 20;
uint64_t limit = (uint64_t)amdgpu_vram_limit << 20;
mc->vram_start = base;
@@ -208,6 +209,12 @@ void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
if (limit && limit < mc->real_vram_size)
mc->real_vram_size = limit;
if (vis_limit && vis_limit < mc->visible_vram_size)
mc->visible_vram_size = vis_limit;
if (mc->real_vram_size < mc->visible_vram_size)
mc->visible_vram_size = mc->real_vram_size;
if (mc->xgmi.num_physical_nodes == 0) {
mc->fb_start = mc->vram_start;
mc->fb_end = mc->vram_end;