From 0c68f4fffe18d5894cb4ac2111001999f747c96e Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Wed, 9 Jan 2019 10:46:48 +0800 Subject: [PATCH 5754/5758] drm/amdgpu: make gfx9 enter into rlc safe mode when set MGCG MGCG should RLC enter into safe mode first. Signed-off-by: Likun Gao Reviewed-by: Huang Rui --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 0481e21..c7db271 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3721,6 +3721,8 @@ static void gfx_v9_0_update_medium_grain_clock_gating(struct amdgpu_device *adev { uint32_t data, def; + adev->gfx.rlc.funcs->enter_safe_mode(adev); + /* It is disabled by HW by default */ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) { /* 1 - RLC_CGTT_MGCG_OVERRIDE */ @@ -3785,6 +3787,8 @@ static void gfx_v9_0_update_medium_grain_clock_gating(struct amdgpu_device *adev WREG32_SOC15(GC, 0, mmCP_MEM_SLP_CNTL, data); } } + + adev->gfx.rlc.funcs->exit_safe_mode(adev); } static void gfx_v9_0_update_3d_clock_gating(struct amdgpu_device *adev, -- 2.7.4