drm/fb-helper: Clip damage area horizontally

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Clip the damage area horizontally if only a single scanline has been
changed. This is helpful to reduce the memcpy overhead for small writes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-6-tzimmermann@suse.de

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Thomas Zimmermann 2022-02-09 17:16:17 +01:00

parent fe23b56f56

commit ded74cafee

1 changed files with 12 additions and 0 deletions

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drivers/gpu/drm/drm_fb_helper.c

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