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Jocelyn Falempe authored
The driver does support damage clips, but doesn't advertise it. So when running gnome/wayland on Matrox hardware, the full frame is copied to the slow Matrox memory, which leads to very poor performances. Add drm_plane_enable_fb_damage_clips() to advertise this capability to userspace. With this patch, gnome/wayland becomes usable on Matrox GPU. Suggested-by: Jonas Ådahl <jadahl@gmail.com> Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220504134026.283417-2-jfalempe@redhat.com
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