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Commit c2cade3d authored by Felix Kuehling's avatar Felix Kuehling Committed by Oded Gabbay
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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: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent 507968dd

drivers/gpu/drm/amd/amdgpu/vi.c

+1 −2
Original line number Diff line number Diff line
@@ -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 |