+static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)
+{
+ u32 tmp, data;
+
+ tmp = data = RREG32(mmVCE_RB_ARB_CTRL);
+ if (override)
+ data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
+ else
+ data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
+
+ if (tmp != data)
+ WREG32(mmVCE_RB_ARB_CTRL, data);
+}
+
+static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
+ bool gated)
+{
+ u32 tmp, data;
+ /* Set Override to disable Clock Gating */
+ vce_v3_0_override_vce_clock_gating(adev, true);
+
+ if (!gated) {
+ /* Force CLOCK ON for VCE_CLOCK_GATING_B,
+ * {*_FORCE_ON, *_FORCE_OFF} = {1, 0}
+ * VREG can be FORCE ON or set to Dynamic, but can't be OFF
+ */
+ tmp = data = RREG32(mmVCE_CLOCK_GATING_B);
+ data |= 0x1ff;
+ data &= ~0xef0000;
+ if (tmp != data)
+ WREG32(mmVCE_CLOCK_GATING_B, data);
+
+ /* Force CLOCK ON for VCE_UENC_CLOCK_GATING,
+ * {*_FORCE_ON, *_FORCE_OFF} = {1, 0}
+ */
+ tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING);
+ data |= 0x3ff000;
+ data &= ~0xffc00000;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_CLOCK_GATING, data);
+
+ /* set VCE_UENC_CLOCK_GATING_2 */
+ tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
+ data |= 0x2;
+ data &= ~0x2;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
+
+ /* Force CLOCK ON for VCE_UENC_REG_CLOCK_GATING */
+ tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
+ data |= 0x37f;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
+
+ /* Force VCE_UENC_DMA_DCLK_CTRL Clock ON */
+ tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
+ data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK |
+ 0x8;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
+ } else {
+ /* Force CLOCK OFF for VCE_CLOCK_GATING_B,
+ * {*, *_FORCE_OFF} = {*, 1}
+ * set VREG to Dynamic, as it can't be OFF
+ */
+ tmp = data = RREG32(mmVCE_CLOCK_GATING_B);
+ data &= ~0x80010;
+ data |= 0xe70008;
+ if (tmp != data)
+ WREG32(mmVCE_CLOCK_GATING_B, data);
+ /* Force CLOCK OFF for VCE_UENC_CLOCK_GATING,
+ * Force ClOCK OFF takes precedent over Force CLOCK ON setting.
+ * {*_FORCE_ON, *_FORCE_OFF} = {*, 1}
+ */
+ tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING);
+ data |= 0xffc00000;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_CLOCK_GATING, data);
+ /* Set VCE_UENC_CLOCK_GATING_2 */
+ tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2);
+ data |= 0x10000;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_CLOCK_GATING_2, data);
+ /* Set VCE_UENC_REG_CLOCK_GATING to dynamic */
+ tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
+ data &= ~0xffc00000;
+ if (tmp != data)
+ WREG32(mmVCE_UENC_REG_CLOCK_GATING, data);
+ /* Set VCE_UENC_DMA_DCLK_CTRL CG always in dynamic mode */
+ tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL);
+ data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK |
+ 0x8);
+ if (tmp != data)
+ WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data);
+ }
+ vce_v3_0_override_vce_clock_gating(adev, false);
+}
+