From 1768908ec5a80d20da70245c319092db8fce09b8 Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Tue, 28 May 2019 21:47:05 +0800 Subject: [PATCH] drm/amd/powerplay: disable fw dstate when gfxoff is enabled SMU FW has bug that it would cause hung when both fw dstate and gfxoff are enabled at the same time. Signed-off-by: Jack Xiao Reviewed-by: Kenneth Feng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 5b43323..4310f86 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -336,9 +336,12 @@ navi10_get_allowed_feature_mask(struct smu_context *smu, | FEATURE_MASK(FEATURE_FW_DSTATE_BIT) | FEATURE_MASK(FEATURE_ACDC_BIT); - if (adev->pm.pp_feature & PP_GFXOFF_MASK) + if (adev->pm.pp_feature & PP_GFXOFF_MASK) { *(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_GFX_SS_BIT) | FEATURE_MASK(FEATURE_GFXOFF_BIT); + /* TODO: remove it once fw fix the bug */ + *(uint64_t *)feature_mask &= ~FEATURE_MASK(FEATURE_FW_DSTATE_BIT); + } if (smu->adev->pg_flags & AMD_PG_SUPPORT_VCN) *(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_VCN_PG_BIT); -- 2.7.4