@@ -1968,11 +1968,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
- /* TOFIX: Get input format from plat data or fallback to RGB888 */
if (hdmi->plat_data->input_bus_format)
hdmi->hdmi_data.enc_in_bus_format =
hdmi->plat_data->input_bus_format;
- else
+ else if (!hdmi->hdmi_data.enc_in_bus_format)
hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
/* TOFIX: Get input encoding from plat data or fallback to none */
@@ -1982,8 +1981,8 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
else
hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT;
- /* TOFIX: Default to RGB888 output format */
- hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ if (!hdmi->hdmi_data.enc_out_bus_format)
+ hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
hdmi->hdmi_data.pix_repet_factor = 0;
hdmi->hdmi_data.hdcp_enable = 0;
@@ -2224,6 +2223,8 @@ static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
dev_dbg(hdmi->dev, "selected output format %x\n",
bridge_state->output_bus_cfg.fmt);
+ hdmi->hdmi_data.enc_out_bus_format = bridge_state->output_bus_cfg.fmt;
+
ret = drm_atomic_bridge_choose_input_bus_cfg(bridge_state, crtc_state,
conn_state);
if (ret)
@@ -2232,6 +2233,8 @@ static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
dev_dbg(hdmi->dev, "selected input format %x\n",
bridge_state->input_bus_cfg.fmt);
+ hdmi->hdmi_data.enc_in_bus_format = bridge_state->input_bus_cfg.fmt;
+
return 0;
}
Use the negociated bus formats from the atomic check function if the input and output formats are non NULL, otherwise fallback to the plat_data->input_bus_format or the default MEDIA_BUS_FMT_RGB888_1X24 bus format. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)