iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: Update NV SIMD-per-CU to 2

Browse Source 
commit aa6158112645aae514982ad8d56df64428fcf203 upstream.

Navi series GPUs have 2 SIMDs per CU (and then 2 CUs per WGP).
The NV enum headers incorrectly listed this as 4, which later meant
we were incorrectly reporting the number of SIMDs in the HSA
topology. This could cause problems down the line for user-space
applications that want to launch a fixed amount of work to each
SIMD.

Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@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>
This commit is contained in:
Joseph Greathouse 2021-06-29 21:08:52 -05:00 committed by Greg Kroah-Hartman
parent a5cd290599
commit d05c9f91be
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/include/navi10_enum.h
View File

@ -430,7 +430,7 @@ ARRAY_2D_DEPTH = 0x00000001,
*/
typedef enum ENUM_NUM_SIMD_PER_CU {
NUM_SIMD_PER_CU = 0x00000004,
NUM_SIMD_PER_CU = 0x00000002,
} ENUM_NUM_SIMD_PER_CU;
/*