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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-06-14 20:48:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-05 10:31:58 +0300 |
| commit | c92a15b3b2964e2f04e4423fcef85f94f03ddda7 (patch) | |
| tree | 7b10d1036be37700e07622e3542a107d0fef43ee | |
| parent | 30cbf6ffafbbdd8a6e4e5f0a2e9a9827ee83f3ad (diff) | |
| download | linux-c92a15b3b2964e2f04e4423fcef85f94f03ddda7.tar.xz | |
drm/amdgpu/atomfirmware: fix parsing of vram_info
commit f6f49dda49db72e7a0b4ca32c77391d5ff5ce232 upstream.
v3.x changed the how vram width was encoded. The previous
implementation actually worked correctly for most boards.
Fix the implementation to work correctly everywhere.
This fixes the vram width reported in the kernel log on
some boards.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index 0d017dc94f01..1e64720a70a2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -387,7 +387,7 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, mem_channel_number = vram_info->v30.channel_num; mem_channel_width = vram_info->v30.channel_width; if (vram_width) - *vram_width = mem_channel_number * (1 << mem_channel_width); + *vram_width = mem_channel_number * 16; break; default: return -EINVAL; |