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drm/amd/pm: Allocate dummy table only if needed

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Only Navi1x requires dummy read workaround. Allocate the table in VRAM
only for Navi1x.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2023-01-19 18:43:28 +05:30
committed by Alex Deucher
parent d8f3b3951f
commit 18c4e319db
2 changed files with 8 additions and 3 deletions
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5
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@@ -904,9 +904,8 @@ static int smu_alloc_dummy_read_table(struct smu_context *smu)
struct amdgpu_device *adev = smu->adev;
int ret = 0;
dummy_read_1_table->size = 0x40000;
dummy_read_1_table->align = PAGE_SIZE;
dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
if (!dummy_read_1_table->size)
return 0;
ret = amdgpu_bo_create_kernel(adev,
dummy_read_1_table->size,