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(parent: 5879583) | patch
drm/amdgpu: add warning for GRBM 1-cycle delay issue in gfx9
authorchangzhu <Changfeng.Zhu@amd.com>
Tue, 5 Nov 2019 10:29:12 +0000 (18:29 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 7 Nov 2019 03:06:23 +0000 (22:06 -0500)
commitc8f20e5cdb306c3d1160fdbee0054843873be74f
tree1e01fcd464e7d21dc9ed7916b218f5f50172823ctree | snapshot
parent5879583075e2bcf404e67de76d97d046aec4fc4fcommit | diff
drm/amdgpu: add warning for GRBM 1-cycle delay issue in gfx9

It needs to add warning to update firmware in gfx9
in case that firmware is too old to have function to
realize dummy read in cp firmware.

Signed-off-by: changzhu <Changfeng.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c diff | blob | history
Linux Kernel Source Tree.