From: Thomas Zimmermann Date: Mon, 20 Oct 2025 12:52:02 +0000 (+0200) Subject: drm/sysfb: Use new CRTC state in begin_fb_access X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b36ca97592118196389e9cd7fa18226e955e33f7;p=thirdparty%2Fkernel%2Flinux.git drm/sysfb: Use new CRTC state in begin_fb_access Retrieve the CRTC's new state with drm_atomic_get_new_crtc_state() in drm_sysfb_plane_helper_begin_fb_access(). The blit function might be incorrect otherwise. Signed-off-by: Thomas Zimmermann Fixes: cb71de092553 ("drm/sysfb: Lookup blit function during atomic check") Reported-by: Ville Syrjälä Closes: https://lore.kernel.org/dri-devel/aPJrs7_u8KcalNsC@intel.com/ Cc: Thomas Zimmermann Cc: Javier Martinez Canillas Cc: dri-devel@lists.freedesktop.org Reviewed-by: Javier Martinez Canillas Link: https://lore.kernel.org/r/20251020125227.41308-1-tzimmermann@suse.de --- diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c index 8517c490e8154..6214b7709b379 100644 --- a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c +++ b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c @@ -258,7 +258,7 @@ int drm_sysfb_plane_helper_begin_fb_access(struct drm_plane *plane, ret = -EINVAL; - crtc_state = drm_atomic_get_crtc_state(plane_state->state, plane_state->crtc); + crtc_state = drm_atomic_get_new_crtc_state(plane_state->state, plane_state->crtc); if (drm_WARN_ON_ONCE(dev, !crtc_state)) goto err_drm_gem_end_shadow_fb_access; sysfb_crtc_state = to_drm_sysfb_crtc_state(crtc_state);