drm/amdgpu/vcn:Apply new UMC enable for VNC DPG mode (3d904ee4) · Commits · 戴 / test

Apply new UMC enable for VNC Dynamic Power Gate mode Signed-off-by:

drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -829,13 +829,18 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
		/* enable VCPU clock */
		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);

		/* boot up the VCPU */
		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);

		/* enable UMC */
		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
		~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);

		/* boot up the VCPU */
		WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 0);
		mdelay(10);
		tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET);
		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
		WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp);

		for (i = 0; i < 10; ++i) {
		uint32_t status;