[PATCH 10/18] drm/amdgpu/vcn:Apply new UMC enable for VNC DPG mode start

[James Zhu]

Apply new UMC enable for VNC Dynamic Power Gate mode start

Signed-off-by: James Zhu <James.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 5740cca..624a255 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1023,13 +1023,14 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0);
 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0);
 
-	/* enable UMC */
-	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2,
-			0, UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0);
-
 	/* boot up the VCPU */
 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0);
 
+	/* enable UMC */
+	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2,
+		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT,
+		0xFFFFFFFF, 0);
+
 	/* enable master interrupt */
 	WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN,
 			UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0);
-- 
2.7.4