crtc_atomic_flush performs some additional processing, like plane enable at mixer level. Enable only the planes attached to the CRTC.
Signed-off-by: Fabien Dessenne fabien.dessenne@st.com --- drivers/gpu/drm/sti/sti_crtc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index 96afe68..bc1b186 100644 --- a/drivers/gpu/drm/sti/sti_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -165,6 +165,10 @@ static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
switch (plane->status) { case STI_PLANE_UPDATED: + /* ignore update for other CRTC */ + if (p->state->crtc != crtc) + continue; + /* update planes tag as updated */ DRM_DEBUG_DRIVER("update plane %s\n", sti_plane_to_str(plane));