[PATCH 224/459] drm/amdgpu: RLC must be disabled after SMU when S3 on navi

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From: Jack Xiao <Jack.Xiao@xxxxxxx>

SMU requires to interact with RLC when disable all features,
so RLC shouldn't be disabled ahead of SMU.

Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c     | 4 +---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 ++++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 716467388c2d..262c4004939f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1596,8 +1596,6 @@ void gfx_v10_0_rlc_stop(struct amdgpu_device *adev)
 
 	tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 0);
 	WREG32_SOC15(GC, 0, mmRLC_CNTL, tmp);
-
-	gfx_v10_0_enable_gui_idle_interrupt(adev, false);
 }
 
 static void gfx_v10_0_rlc_reset(struct amdgpu_device *adev)
@@ -3630,7 +3628,7 @@ static int gfx_v10_0_hw_fini(void *handle)
 		return 0;
 	}
 	gfx_v10_0_cp_enable(adev, false);
-	gfx_v10_0_rlc_stop(adev);
+	gfx_v10_0_enable_gui_idle_interrupt(adev, false);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 652963e52a5a..21a47d08d703 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -943,6 +943,10 @@ static int smu_suspend(void *handle)
 
 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
 
+	if (adev->asic_type >= CHIP_NAVI10 &&
+	    adev->gfx.rlc.funcs->stop)
+		adev->gfx.rlc.funcs->stop(adev);
+
 	return 0;
 }
 
-- 
2.20.1

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