Re: [PATCH 3/9] drm/format-helper: Add destination-buffer pitch to drm_fb_swab()

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Den 22.10.2021 15.28, skrev Thomas Zimmermann:
> Add destination-buffer pitch as argument to drm_fb_swab(). Done for
> consistency with the rest of the interface.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
>  drivers/gpu/drm/drm_format_helper.c | 19 +++++++++++++++----
>  drivers/gpu/drm/drm_mipi_dbi.c      |  2 +-
>  drivers/gpu/drm/gud/gud_pipe.c      |  2 +-
>  include/drm/drm_format_helper.h     |  5 +++--
>  4 files changed, 20 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c
> index 38c8055f6fa8..79869ed553d9 100644
> --- a/drivers/gpu/drm/drm_format_helper.c
> +++ b/drivers/gpu/drm/drm_format_helper.c
> @@ -92,6 +92,7 @@ EXPORT_SYMBOL(drm_fb_memcpy_toio);
>  /**
>   * drm_fb_swab - Swap bytes into clip buffer
>   * @dst: Destination buffer
> + * @dst_pitch: Number of bytes between two consecutive scanlines within dst
>   * @src: Source buffer
>   * @fb: DRM framebuffer
>   * @clip: Clip rectangle area to copy
> @@ -103,19 +104,25 @@ EXPORT_SYMBOL(drm_fb_memcpy_toio);
>   * This function does not apply clipping on dst, i.e. the destination

You have changed this line on the other functions, maybe you just missed
it here:

>   * is a small buffer containing the clip rect only.
>   */
> -void drm_fb_swab(void *dst, void *src, struct drm_framebuffer *fb,
> -		 struct drm_rect *clip, bool cached)
> +void drm_fb_swab(void *dst, unsigned int dst_pitch, const void *src,
> +		 const struct drm_framebuffer *fb, const struct drm_rect *clip,
> +		 bool cached)

Tested-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>



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