diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c index f7d7d277367e..d49b4789a074 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c @@ -908,9 +908,13 @@ static int cdns_dsi_bridge_atomic_check(struct drm_bridge *bridge, struct cdns_dsi_input *input = bridge_to_cdns_dsi_input(bridge); struct cdns_dsi *dsi = input_to_dsi(input); struct cdns_dsi_bridge_state *dsi_state = to_cdns_dsi_bridge_state(bridge_state); - const struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; + struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; struct cdns_dsi_cfg *dsi_cfg = &dsi_state->dsi_cfg; + /* cdns-dsi requires negative syncs */ + adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); + adjusted_mode->flags |= DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC; + return cdns_dsi_check_conf(dsi, adjusted_mode, dsi_cfg); } |