In order to avoid a stale pixel getting stuck on mode change or a disable / enable cycle, we need to make sure to flush the PV FIFO on disable.
Reviewed-by: Dave Stevenson <[email protected]> Tested-by: Chanwoo Choi <[email protected]> Tested-by: Hoegeun Kwon <[email protected]> Tested-by: Stefan Wahren <[email protected]> Signed-off-by: Maxime Ripard <[email protected]> --- drivers/gpu/drm/vc4/vc4_crtc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 4c23cf8aefb9..73d918706f7e 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -424,8 +424,7 @@ static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, if (vc4_encoder->post_crtc_disable) vc4_encoder->post_crtc_disable(encoder); - CRTC_WRITE(PV_CONTROL, CRTC_READ(PV_CONTROL) & ~PV_CONTROL_EN); - + vc4_crtc_pixelvalve_reset(crtc); vc4_hvs_atomic_disable(crtc, old_state); if (vc4_encoder->post_crtc_powerdown) -- git-series 0.9.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
