diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-01-31 14:04:32 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-08 02:28:31 +0300 |
| commit | 55173942a63668bdc1d61812c7c9e0406aefb5bf (patch) | |
| tree | a0051a5e4b2cd3a708ad6e4517ee390480db4ee0 /drivers/gpu/drm | |
| parent | 29c5da1a124671caa87c4a936c625432c16ad8ca (diff) | |
| download | linux-55173942a63668bdc1d61812c7c9e0406aefb5bf.tar.xz | |
drm/amdgpu: Avoid fetching VRAM vendor info
The present way to fetch VRAM vendor information turns out to be not
reliable on GFX 9.4.3 dGPUs as well. Avoid using the data.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 40a00ea0009f..e67a62db9e12 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1947,14 +1947,6 @@ static int gmc_v9_0_init_mem_ranges(struct amdgpu_device *adev) static void gmc_v9_4_3_init_vram_info(struct amdgpu_device *adev) { - static const u32 regBIF_BIOS_SCRATCH_4 = 0x50; - u32 vram_info; - - /* Only for dGPU, vendor informaton is reliable */ - if (!amdgpu_sriov_vf(adev) && !(adev->flags & AMD_IS_APU)) { - vram_info = RREG32(regBIF_BIOS_SCRATCH_4); - adev->gmc.vram_vendor = vram_info & 0xF; - } adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM; adev->gmc.vram_width = 128 * 64; } |