drm/rockchip: add dither config for connected panel

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / dw-mipi-dsi.c

diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index f261dd97e130d0ee0a8ad285b4356b0e491b459d..0539b6e40b23180883802252ddb410868f08a4fb 100644 (file)
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -973,6 +973,8 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
 {
        struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
        struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
+       struct drm_connector *connector = conn_state->connector;
+       struct drm_display_info *info = &connector->display_info;
 
        switch (dsi->format) {
        case MIPI_DSI_FMT_RGB888:
@@ -990,6 +992,8 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
        }
 
        s->output_type = DRM_MODE_CONNECTOR_DSI;
+       if (info->num_bus_formats)
+               s->bus_format = info->bus_formats[0];
 
        return 0;
 }