diff options
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index b506e3622b08..cd25bd08bf53 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4830,19 +4830,32 @@ void drm_set_preferred_mode(struct drm_connector *connector, } EXPORT_SYMBOL(drm_set_preferred_mode); +static bool is_hdmi2_sink(struct drm_connector *connector) +{ + /* + * FIXME: sil-sii8620 doesn't have a connector around when + * we need one, so we have to be prepared for a NULL connector. + */ + if (!connector) + return true; + + return connector->display_info.hdmi.scdc.supported || + connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420; +} + /** * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with * data from a DRM display mode * @frame: HDMI AVI infoframe + * @connector: the connector * @mode: DRM display mode - * @is_hdmi2_sink: Sink is HDMI 2.0 compliant * * Return: 0 on success or a negative error code on failure. */ int drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, - const struct drm_display_mode *mode, - bool is_hdmi2_sink) + struct drm_connector *connector, + const struct drm_display_mode *mode) { enum hdmi_picture_aspect picture_aspect; int err; @@ -4864,7 +4877,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we * have to make sure we dont break HDMI 1.4 sinks. */ - if (!is_hdmi2_sink && frame->video_code > 64) + if (!is_hdmi2_sink(connector) && frame->video_code > 64) frame->video_code = 0; /* @@ -4923,21 +4936,17 @@ EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode); * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe * quantization range information * @frame: HDMI AVI infoframe + * @connector: the connector * @mode: DRM display mode * @rgb_quant_range: RGB quantization range (Q) * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS) - * @is_hdmi2_sink: HDMI 2.0 sink, which has different default recommendations - * - * Note that @is_hdmi2_sink can be derived by looking at the - * &drm_scdc.supported flag stored in &drm_hdmi_info.scdc, - * &drm_display_info.hdmi, which can be found in &drm_connector.display_info. */ void drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, + struct drm_connector *connector, const struct drm_display_mode *mode, enum hdmi_quantization_range rgb_quant_range, - bool rgb_quant_range_selectable, - bool is_hdmi2_sink) + bool rgb_quant_range_selectable) { /* * CEA-861: @@ -4968,7 +4977,7 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based * on on CEA-861-F. */ - if (!is_hdmi2_sink || + if (!is_hdmi2_sink(connector) || rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) frame->ycc_quantization_range = HDMI_YCC_QUANTIZATION_RANGE_LIMITED; |
