drm/radeon/kms: clean up r6xx/r7xx blit init (v2)

Move common code to init function.

v2: make sure the bo is pinned after init as well.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/r600.c

@@ -2426,19 +2426,7 @@ int r600_startup(struct radeon_device *rdev)
 		rdev->asic->copy = NULL;
 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
 	}
-	/* pin copy shader into vram */
-	if (rdev->r600_blit.shader_obj) {
-		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
-		if (unlikely(r != 0))
-			return r;
-		r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
-				&rdev->r600_blit.shader_gpu_addr);
-		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
-		if (r) {
-			dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
-			return r;
-		}
-	}
+
 	/* Enable IRQ */
 	r = r600_irq_init(rdev);
 	if (r) {

drivers/gpu/drm/radeon/r600_blit_kms.c

@@ -472,9 +472,10 @@ int r600_blit_init(struct radeon_device *rdev)
 	u32 packet2s[16];
 	int num_packet2s = 0;
 
-	/* don't reinitialize blit */
+	/* pin copy shader into vram if already initialized */
 	if (rdev->r600_blit.shader_obj)
-		return 0;
+		goto done;
+
 	mutex_init(&rdev->r600_blit.mutex);
 	rdev->r600_blit.state_offset = 0;
 
@@ -532,6 +533,18 @@ int r600_blit_init(struct radeon_device *rdev)
 	memcpy(ptr + rdev->r600_blit.ps_offset, r6xx_ps, r6xx_ps_size * 4);
 	radeon_bo_kunmap(rdev->r600_blit.shader_obj);
 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
+
+done:
+	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
+	if (unlikely(r != 0))
+		return r;
+	r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
+			  &rdev->r600_blit.shader_gpu_addr);
+	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
+	if (r) {
+		dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
+		return r;
+	}
 	return 0;
 }
 

drivers/gpu/drm/radeon/rv770.c

@@ -1028,19 +1028,7 @@ static int rv770_startup(struct radeon_device *rdev)
 		rdev->asic->copy = NULL;
 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
 	}
-	/* pin copy shader into vram */
-	if (rdev->r600_blit.shader_obj) {
-		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
-		if (unlikely(r != 0))
-			return r;
-		r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
-				&rdev->r600_blit.shader_gpu_addr);
-		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
-		if (r) {
-			DRM_ERROR("failed to pin blit object %d\n", r);
-			return r;
-		}
-	}
+
 	/* Enable IRQ */
 	r = r600_irq_init(rdev);
 	if (r) {