linux-kernel - [PATCH AUTOSEL 5.4 35/42] amd/amdgpu: Disable VCN DPG mode for Picasso

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Message-Id: <20201110035440.424258-35-sashal@kernel.org>
Date:   Mon,  9 Nov 2020 22:54:33 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@....com>,
        Leo Liu <leo.liu@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Sasha Levin <sashal@...nel.org>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.4 35/42] amd/amdgpu: Disable VCN DPG mode for Picasso

From: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@....com>

[ Upstream commit c6d2b0fbb893d5c7dda405aa0e7bcbecf1c75f98 ]

Concurrent operation of VCN and JPEG decoder in DPG mode is
causing ring timeout due to power state.

Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@....com>
Reviewed-by: Leo Liu <leo.liu@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/soc15.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index c086262cc181d..317aa257c06bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1144,8 +1144,7 @@ static int soc15_common_early_init(void *handle)
 
 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
 				AMD_PG_SUPPORT_MMHUB |
-				AMD_PG_SUPPORT_VCN |
-				AMD_PG_SUPPORT_VCN_DPG;
+				AMD_PG_SUPPORT_VCN;
 		} else {
 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 				AMD_CG_SUPPORT_GFX_MGLS |
-- 
2.27.0