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drm/amdgpu: Disable GFX PG on CZ 

It's causing problems with user mode queues and the HIQ, and can
lead to hard hangs during boot after programming RLC_CP_SCHEDULERS.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling 2017-08-15 23:00:16 -04:00 committed by Oded Gabbay
parent 507968dd9e
commit c2cade3dd1
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/vi.c
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@ -1028,8 +1028,7 @@ static int vi_common_early_init(void *handle)
/* rev0 hardware requires workarounds to support PG */
adev->pg_flags = 0;
if (adev->rev_id != 0x00 || CZ_REV_BRISTOL(adev->pdev->revision)) {
adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
AMD_PG_SUPPORT_GFX_SMG |
adev->pg_flags |= AMD_PG_SUPPORT_GFX_SMG |
AMD_PG_SUPPORT_GFX_PIPELINE |
AMD_PG_SUPPORT_CP |
AMD_PG_SUPPORT_UVD |