[PATCH 3/3] drm/mgag200: Use drm_gem_vram_{vmap, vunmap}() to map cursor source BO

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The VRAM helper's vmap interfaces provide pinning and mapping of BO
memory. This patch replaces the respective code in mgag200 cursor handling.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/mgag200/mgag200_cursor.c | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c
index 289ce3e29032..89f61573a497 100644
--- a/drivers/gpu/drm/mgag200/mgag200_cursor.c
+++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c
@@ -85,17 +85,12 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
 	if (!obj)
 		return -ENOENT;
 	gbo = drm_gem_vram_of_gem(obj);
-	ret = drm_gem_vram_pin(gbo, 0);
-	if (ret) {
-		dev_err(&dev->pdev->dev, "failed to lock user bo\n");
-		goto err_drm_gem_object_put_unlocked;
-	}
-	src = drm_gem_vram_kmap(gbo, true, NULL);
+	src = drm_gem_vram_vmap(gbo);
 	if (IS_ERR(src)) {
 		ret = PTR_ERR(src);
 		dev_err(&dev->pdev->dev,
-			"failed to kmap user buffer updates\n");
-		goto err_drm_gem_vram_unpin_src;
+			"failed to map user buffer updates\n");
+		goto err_drm_gem_object_put_unlocked;
 	}
 
 	/* Pin and map up-coming buffer to write colour indices */
@@ -103,7 +98,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
 	if (ret) {
 		dev_err(&dev->pdev->dev,
 			"failed to pin cursor buffer: %d\n", ret);
-		goto err_drm_gem_vram_kunmap_src;
+		goto err_drm_gem_vram_vunmap;
 	}
 	dst = drm_gem_vram_kmap(pixels_next, true, NULL);
 	if (IS_ERR(dst)) {
@@ -213,8 +208,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
 	mdev->cursor.pixels_current = pixels_next;
 
 	drm_gem_vram_kunmap(pixels_next);
-	drm_gem_vram_kunmap(gbo);
-	drm_gem_vram_unpin(gbo);
+	drm_gem_vram_vunmap(gbo, src);
 	drm_gem_object_put_unlocked(obj);
 
 	return 0;
@@ -223,10 +217,8 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
 	drm_gem_vram_kunmap(pixels_next);
 err_drm_gem_vram_unpin_dst:
 	drm_gem_vram_unpin(pixels_next);
-err_drm_gem_vram_kunmap_src:
-	drm_gem_vram_kunmap(gbo);
-err_drm_gem_vram_unpin_src:
-	drm_gem_vram_unpin(gbo);
+err_drm_gem_vram_vunmap:
+	drm_gem_vram_vunmap(gbo, src);
 err_drm_gem_object_put_unlocked:
 	drm_gem_object_put_unlocked(obj);
 	return ret;
-- 
2.22.0

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