From 57b769061e7fad0fbe9c7085c6b08bfd9894335d Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Thu, 26 May 2022 20:05:14 +0800 Subject: [PATCH] drm/amdgpu: disable MMHUB PG for Picasso stable inclusion from stable-v5.10.103 commit ff9134882dfafcab4cd3204a4c901f95544d66a9 bugzilla: https://gitee.com/openeuler/kernel/issues/I56NE7 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ff9134882dfafcab4cd3204a4c901f95544d66a9 -------------------------------- commit f626dd0ff05043e5a7154770cc7cda66acee33a3 upstream. MMHUB PG needs to be disabled for Picasso for stability reasons. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Yu Liao Reviewed-by: Wei Li Signed-off-by: Zheng Zengkai --- drivers/gpu/drm/amd/amdgpu/soc15.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 37226cbbbd11..7212b9900e0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1194,8 +1194,11 @@ static int soc15_common_early_init(void *handle) AMD_CG_SUPPORT_SDMA_MGCG | AMD_CG_SUPPORT_SDMA_LS; + /* + * MMHUB PG needs to be disabled for Picasso for + * stability reasons. + */ adev->pg_flags = AMD_PG_SUPPORT_SDMA | - AMD_PG_SUPPORT_MMHUB | AMD_PG_SUPPORT_VCN; } else { adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | -- GitLab