drm/radeon: sun/hainan chips do not have UVD (v2)

Skip UVD handling on them.

v2: split has_uvd tracking into separate patch
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/si.c

@@ -2635,9 +2635,11 @@ static void si_gpu_init(struct radeon_device *rdev)
 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
-	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
-	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
-	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
+	if (rdev->has_uvd) {
+		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
+		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
+		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
+	}
 
 	si_tiling_mode_table_init(rdev);
 
@@ -5213,15 +5215,17 @@ static int si_startup(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = rv770_uvd_resume(rdev);
-	if (!r) {
-		r = radeon_fence_driver_start_ring(rdev,
-						   R600_RING_TYPE_UVD_INDEX);
+	if (rdev->has_uvd) {
+		r = rv770_uvd_resume(rdev);
+		if (!r) {
+			r = radeon_fence_driver_start_ring(rdev,
+							   R600_RING_TYPE_UVD_INDEX);
+			if (r)
+				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
+		}
 		if (r)
-			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
+			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
 	}
-	if (r)
-		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
 
 	/* Enable IRQ */
 	r = si_irq_init(rdev);
@@ -5280,16 +5284,18 @@ static int si_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
-	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-	if (ring->ring_size) {
-		r = radeon_ring_init(rdev, ring, ring->ring_size,
-				     R600_WB_UVD_RPTR_OFFSET,
-				     UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
-				     0, 0xfffff, RADEON_CP_PACKET2);
-		if (!r)
-			r = r600_uvd_init(rdev);
-		if (r)
-			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
+	if (rdev->has_uvd) {
+		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+		if (ring->ring_size) {
+			r = radeon_ring_init(rdev, ring, ring->ring_size,
+					     R600_WB_UVD_RPTR_OFFSET,
+					     UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
+					     0, 0xfffff, RADEON_CP_PACKET2);
+			if (!r)
+				r = r600_uvd_init(rdev);
+			if (r)
+				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
+		}
 	}
 
 	r = radeon_ib_pool_init(rdev);
@@ -5338,8 +5344,10 @@ int si_suspend(struct radeon_device *rdev)
 	radeon_vm_manager_fini(rdev);
 	si_cp_enable(rdev, false);
 	cayman_dma_stop(rdev);
-	r600_uvd_rbc_stop(rdev);
-	radeon_uvd_suspend(rdev);
+	if (rdev->has_uvd) {
+		r600_uvd_rbc_stop(rdev);
+		radeon_uvd_suspend(rdev);
+	}
 	si_irq_suspend(rdev);
 	radeon_wb_disable(rdev);
 	si_pcie_gart_disable(rdev);
@@ -5427,11 +5435,13 @@ int si_init(struct radeon_device *rdev)
 	ring->ring_obj = NULL;
 	r600_ring_init(rdev, ring, 64 * 1024);
 
-	r = radeon_uvd_init(rdev);
-	if (!r) {
-		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-		ring->ring_obj = NULL;
-		r600_ring_init(rdev, ring, 4096);
+	if (rdev->has_uvd) {
+		r = radeon_uvd_init(rdev);
+		if (!r) {
+			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+			ring->ring_obj = NULL;
+			r600_ring_init(rdev, ring, 4096);
+		}
 	}
 
 	rdev->ih.ring_obj = NULL;
@@ -5479,7 +5489,8 @@ void si_fini(struct radeon_device *rdev)
 	radeon_vm_manager_fini(rdev);
 	radeon_ib_pool_fini(rdev);
 	radeon_irq_kms_fini(rdev);
-	radeon_uvd_fini(rdev);
+	if (rdev->has_uvd)
+		radeon_uvd_fini(rdev);
 	si_pcie_gart_fini(rdev);
 	r600_vram_scratch_fini(rdev);
 	radeon_gem_fini(rdev);