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Commit 1768908e authored by Jack Xiao's avatar Jack Xiao Committed by Alex Deucher
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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: default avatarJack Xiao <Jack.Xiao@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4bc920a6

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+4 −1
Original line number Diff line number Diff line
@@ -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);