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Date:   Thu, 11 Apr 2019 06:49:32 +0200
From:   Gerd Hoffmann <>
Cc:     Gerd Hoffmann <>,
        Maarten Lankhorst <>,
        Maxime Ripard <>,
        Sean Paul <>, David Airlie <>,
        Daniel Vetter <>, (open list)
Subject: [PATCH] drm: fix drm_fb_xrgb8888_to_rgb888_dstclip()

Oops, the __iomem annotation was added to the header file only.
Add it to the implementation (and documentation) too.

Fixes: 5c5373b51bec ("drm: switch drm_fb_xrgb8888_to_rgb888_dstclip to accept __iomem dst")
Signed-off-by: Gerd Hoffmann <>
 drivers/gpu/drm/drm_format_helper.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c
index 319de608a088..da388012df2a 100644
--- a/drivers/gpu/drm/drm_format_helper.c
+++ b/drivers/gpu/drm/drm_format_helper.c
@@ -230,7 +230,7 @@ static void drm_fb_xrgb8888_to_rgb888_line(u8 *dbuf, u32 *sbuf,
  * drm_fb_xrgb8888_to_rgb888_dstclip - Convert XRGB8888 to RGB888 clip buffer
- * @dst: RGB565 destination buffer
+ * @dst: RGB565 destination buffer (iomem)
  * @dst_pitch: destination buffer pitch
  * @vaddr: XRGB8888 source buffer
  * @fb: DRM framebuffer
@@ -241,9 +241,9 @@ static void drm_fb_xrgb8888_to_rgb888_line(u8 *dbuf, u32 *sbuf,
  * support XRGB8888.
  * This function applies clipping on dst, i.e. the destination is a
- * full framebuffer but only the clip rect content is copied over.
+ * full (iomem) framebuffer but only the clip rect content is copied over.
-void drm_fb_xrgb8888_to_rgb888_dstclip(void *dst, unsigned int dst_pitch,
+void drm_fb_xrgb8888_to_rgb888_dstclip(void __iomem *dst, unsigned int dst_pitch,
 				       void *vaddr, struct drm_framebuffer *fb,
 				       struct drm_rect *clip)

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