[PATCH 3/3] drm/amdgpu: move cache window setup after power and clock resume

Leo Liu leo.liu at amd.com
Mon Jul 9 16:11:38 UTC 2018


To make register read/write reliable. Along with the previous patch,
VCN will work with dpm disabled case.

Signed-off-by: Leo Liu <leo.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index b82c92084b6f..ca4265bc10b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -600,12 +600,12 @@ static int vcn_v1_0_start(struct amdgpu_device *adev)
 	/* disable byte swapping */
 	lmi_swap_cntl = 0;
 
-	vcn_v1_0_mc_resume(adev);
-
 	vcn_1_0_disable_static_power_gating(adev);
 	/* disable clock gating */
 	vcn_v1_0_disable_clock_gating(adev);
 
+	vcn_v1_0_mc_resume(adev);
+
 	/* disable interupt */
 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
 			~UVD_MASTINT_EN__VCPU_EN_MASK);
-- 
2.17.1



More information about the amd-gfx mailing list