On BCM2711 to avoid stale pixels getting stuck in intermediate FIFOs, the pixelvalve needs to be setup each time there's a mode change or enable / disable sequence.
Therefore, we can't really use mode_set_nofb anymore to configure it, but we need to move it to atomic_enable.
Reviewed-by: Dave Stevenson dave.stevenson@raspberrypi.com Tested-by: Chanwoo Choi cw00.choi@samsung.com Tested-by: Hoegeun Kwon hoegeun.kwon@samsung.com Tested-by: Stefan Wahren stefan.wahren@i2se.com Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_crtc.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 284a85b9d7d4..2eda2e6429ec 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -376,11 +376,6 @@ static void vc4_crtc_config_pv(struct drm_crtc *crtc) } }
-static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) -{ - vc4_crtc_config_pv(crtc); -} - static void require_hvs_enabled(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); @@ -433,6 +428,7 @@ static void vc4_crtc_atomic_enable(struct drm_crtc *crtc, require_hvs_enabled(dev);
vc4_crtc_pixelvalve_reset(crtc); + vc4_crtc_config_pv(crtc);
CRTC_WRITE(PV_CONTROL, CRTC_READ(PV_CONTROL) | PV_CONTROL_EN);
@@ -791,7 +787,6 @@ static const struct drm_crtc_funcs vc4_crtc_funcs = { };
static const struct drm_crtc_helper_funcs vc4_crtc_helper_funcs = { - .mode_set_nofb = vc4_crtc_mode_set_nofb, .mode_valid = vc4_crtc_mode_valid, .atomic_check = vc4_crtc_atomic_check, .atomic_flush = vc4_hvs_atomic_flush,