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authorJoseph Greathouse <Joseph.Greathouse@amd.com>2021-06-30 05:08:52 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-19 10:44:56 +0300
commit8f933b27cbf1cd176f0a73ddeae19fae5e9bc189 (patch)
tree3ce2b9aa2fcb72dad4850312c5091badfbc052f0
parent97ebbfe445cd695250ff0ede4fa6e9e5257e2221 (diff)
downloadlinux-8f933b27cbf1cd176f0a73ddeae19fae5e9bc189.tar.xz
drm/amdgpu: Update NV SIMD-per-CU to 2
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>
-rw-r--r--drivers/gpu/drm/amd/include/navi10_enum.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/navi10_enum.h b/drivers/gpu/drm/amd/include/navi10_enum.h
index d5ead9680c6e..84bcb96f76ea 100644
--- a/drivers/gpu/drm/amd/include/navi10_enum.h
+++ b/drivers/gpu/drm/amd/include/navi10_enum.h
@@ -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;
/*