From: Dharma Balasubiramani <[email protected]> Add support for encoder type "DRM_MODE_ENCODER_LVDS" with the following bus formats: - RGB888_1X7X4_SPWG - RGB888_1X7X4_JEIDA - RGB666_1X7X3_SPWG - RGB666_1X18
Signed-off-by: Dharma Balasubiramani <[email protected]> [[email protected]: move modifications inside the atmel_xlcdc_connector_output_lvds fn] Signed-off-by: Manikandan Muralidharan <[email protected]> --- .../gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index e0efc7309b1b..beb825fc4d5d 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -357,6 +357,42 @@ static int atmel_xlcdc_connector_output_dsi(struct drm_encoder *encoder, return supported_fmts; } +static int atmel_xlcdc_connector_output_lvds(struct drm_encoder *encoder, + struct drm_display_info *info) +{ + int j; + unsigned int supported_fmts = 0; + + switch (atmel_hlcdc_encoder_get_bus_fmt(encoder)) { + case 0: + break; + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + case MEDIA_BUS_FMT_RGB666_1X18: + return ATMEL_HLCDC_RGB666_OUTPUT; + case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: + case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: + return ATMEL_HLCDC_RGB888_OUTPUT; + default: + return -EINVAL; + } + + for (j = 0; j < info->num_bus_formats; j++) { + switch (info->bus_formats[j]) { + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + case MEDIA_BUS_FMT_RGB666_1X18: + supported_fmts |= ATMEL_HLCDC_RGB666_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: + case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: + supported_fmts |= ATMEL_HLCDC_RGB888_OUTPUT; + break; + default: + break; + } + } + return supported_fmts; +} + static int atmel_hlcdc_connector_output_mode(struct drm_connector_state *state) { struct drm_connector *connector = state->connector; @@ -375,6 +411,8 @@ static int atmel_hlcdc_connector_output_mode(struct drm_connector_state *state) */ if (encoder->encoder_type == DRM_MODE_ENCODER_DSI) return atmel_xlcdc_connector_output_dsi(encoder, info); + else if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) + return atmel_xlcdc_connector_output_lvds(encoder, info); switch (atmel_hlcdc_encoder_get_bus_fmt(encoder)) { case 0: -- 2.25.1
