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drm/bridge: synopsys: dw-hdmi: allow ycbcr420 modes for >= 0x200a

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Now the DW-HDMI Controller supports the HDMI2.0 modes, enable support
for these modes in the connector if the platform supports them.
We limit these modes to DW-HDMI IP version >= 0x200a which
are designed to support HDMI2.0 display modes.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jernej Škrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200304104052.17196-6-narmstrong@baylibre.com
This commit is contained in:
Neil Armstrong 2020-03-04 11:40:46 +01:00
parent 6c3c719936
commit f14d3f6c39
2 changed files with 7 additions and 0 deletions
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6
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
View file

@ -3252,6 +3252,12 @@ __dw_hdmi_probe(struct platform_device *pdev,
hdmi->bridge.of_node = pdev->dev.of_node;
#endif
if (hdmi->version >= 0x200a)
hdmi->connector.ycbcr_420_allowed =
hdmi->plat_data->ycbcr_420_allowed;
else
hdmi->connector.ycbcr_420_allowed = false;
memset(&pdevinfo, 0, sizeof(pdevinfo));
pdevinfo.parent = dev;
pdevinfo.id = PLATFORM_DEVID_AUTO;

1
include/drm/bridge/dw_hdmi.h
View file

@ -129,6 +129,7 @@ struct dw_hdmi_plat_data {
unsigned long input_bus_format;
unsigned long input_bus_encoding;
bool use_drm_infoframe;
bool ycbcr_420_allowed;
/* Vendor PHY support */
const struct dw_hdmi_phy_ops *phy_ops;