Thread (26 messages) read the whole thread 26 messages, 2 authors, 2021-01-07

Re: [PATCH v3 1/8] drm/ast: Don't pin cursor source BO explicitly during update

From: Daniel Vetter <hidden>
Date: 2020-12-11 10:16:47
Also in: dri-devel, linux-media

On Wed, Dec 09, 2020 at 03:25:20PM +0100, Thomas Zimmermann wrote:
Vmapping the cursor source BO contains an implicit pin operation,
so there's no need to do this manually.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Daniel Vetter <redacted>
quoted hunk ↗ jump to hunk
---
 drivers/gpu/drm/ast/ast_cursor.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c
index 742d43a7edf4..68bf3d33f1ed 100644
--- a/drivers/gpu/drm/ast/ast_cursor.c
+++ b/drivers/gpu/drm/ast/ast_cursor.c
@@ -180,12 +180,9 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
 
 	gbo = drm_gem_vram_of_gem(fb->obj[0]);
 
-	ret = drm_gem_vram_pin(gbo, 0);
-	if (ret)
-		return ret;
 	ret = drm_gem_vram_vmap(gbo, &map);
 	if (ret)
-		goto err_drm_gem_vram_unpin;
+		return ret;
 	src = map.vaddr; /* TODO: Use mapping abstraction properly */
 
 	dst = ast->cursor.map[ast->cursor.next_index].vaddr_iomem;
@@ -194,13 +191,8 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
 	update_cursor_image(dst, src, fb->width, fb->height);
 
 	drm_gem_vram_vunmap(gbo, &map);
-	drm_gem_vram_unpin(gbo);
 
 	return 0;
-
-err_drm_gem_vram_unpin:
-	drm_gem_vram_unpin(gbo);
-	return ret;
 }
 
 static void ast_cursor_set_base(struct ast_private *ast, u64 address)
-- 
2.29.2
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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