From 87662aef9c2f9405ca8937c07372641e69113654 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 05:22:49 +0200 Subject: Merging upstream version 6.1.85. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/tidss/tidss_crtc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/tidss/tidss_crtc.c') diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c index cb66a425d..896a77853 100644 --- a/drivers/gpu/drm/tidss/tidss_crtc.c +++ b/drivers/gpu/drm/tidss/tidss_crtc.c @@ -270,6 +270,16 @@ static void tidss_crtc_atomic_disable(struct drm_crtc *crtc, reinit_completion(&tcrtc->framedone_completion); + /* + * If a layer is left enabled when the videoport is disabled, and the + * vid pipeline that was used for the layer is taken into use on + * another videoport, the DSS will report sync lost issues. Disable all + * the layers here as a work-around. + */ + for (u32 layer = 0; layer < tidss->feat->num_planes; layer++) + dispc_ovr_enable_layer(tidss->dispc, tcrtc->hw_videoport, layer, + false); + dispc_vp_disable(tidss->dispc, tcrtc->hw_videoport); if (!wait_for_completion_timeout(&tcrtc->framedone_completion, -- cgit v1.2.3