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SubjectRe: [PATCH] drm: fix drm_fb_xrgb8888_to_rgb888_dstclip()
On Thu, Apr 11, 2019 at 06:49:32AM +0200, Gerd Hoffmann wrote:
> 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 <kraxel@redhat.com>
> ---
> 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.
> */

All this nice kerneldoc isn't pulled into the docs in
Documentation/gpu/drm-kms-helper.rst anywhere. Can you pls fix that too?

Thanks, Daniel

> -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)
> {
> --
> 2.18.1
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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