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(parent: e54dda4) | patch
drm/amdgpu/gmc9: disable partial wr rmw if ECC is not enabled
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 10 May 2018 20:15:12 +0000 (15:15 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 24 May 2018 04:51:22 +0000 (23:51 -0500)
commit258fcd589a0662299b84a83d6fbdac1a3311ee86
tree34f8a729f74846b2f42445eab2ce64204f1bd83ftree | snapshot
parente54dda4c05b4c06ce4552c95cdc67a1c69688356commit | diff
drm/amdgpu/gmc9: disable partial wr rmw if ECC is not enabled

The vbios mistakenly sets this bit on some boards without ECC.
This can lead to reduced performance in some workloads.  Disable
the bit if the board does not have ECC.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c diff | blob | history
Linux Kernel Source Tree.