diff options
Diffstat (limited to 'drivers/gpu/drm/tidss/tidss_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/tidss/tidss_crtc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c index 662353f81835..1f578079aa82 100644 --- a/drivers/gpu/drm/tidss/tidss_crtc.c +++ b/drivers/gpu/drm/tidss/tidss_crtc.c @@ -181,6 +181,10 @@ static void tidss_crtc_atomic_flush(struct drm_crtc *crtc, drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need", crtc->state->event); + /* There is nothing to do if CRTC is not going to be enabled. */ + if (!crtc->state->active) + return; + /* * Flush CRTC changes with go bit only if new modeset is not * coming, so CRTC is enabled trough out the commit. @@ -329,6 +333,16 @@ static void tidss_crtc_atomic_disable(struct drm_crtc *crtc, dev_dbg(ddev->dev, "%s, event %p\n", __func__, crtc->state->event); + /* + * 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->vp_idx, layer, + false); + reinit_completion(&tcrtc->framedone_completion); dispc_vp_disable(tidss->dispc, tcrtc->vp_idx); |