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42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From a1b02ef19cbc24603e1e212f4f4258ca2c59aaad Mon Sep 17 00:00:00 2001
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From: Sandor Yu <Sandor.yu@nxp.com>
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Date: Thu, 18 Jun 2020 14:18:04 +0800
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Subject: [PATCH 07/49] MLK-24335: drm: bridge: cdns: hdmi support work in DVI
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mode
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hdmi support work in DVI mode.
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Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
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---
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drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
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index da40f62617ef..5f2442fa761f 100644
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--- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
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+++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
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@@ -32,8 +32,9 @@ static void hdmi_sink_config(struct cdns_mhdp_device *mhdp)
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struct drm_scdc *scdc = &mhdp->connector.base.display_info.hdmi.scdc;
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u8 buff = 0;
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- /* Default work in HDMI1.4 */
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- mhdp->hdmi.hdmi_type = MODE_HDMI_1_4;
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+ /* return if hdmi work in DVI mode */
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+ if (mhdp->hdmi.hdmi_type == MODE_DVI)
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+ return;
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/* check sink support SCDC or not */
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if (scdc->supported != true) {
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@@ -264,6 +265,8 @@ static int cdns_hdmi_connector_get_modes(struct drm_connector *connector)
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edid->header[6], edid->header[7]);
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drm_connector_update_edid_property(connector, edid);
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num_modes = drm_add_edid_modes(connector, edid);
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+ mhdp->hdmi.hdmi_type = drm_detect_hdmi_monitor(edid) ?
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+ MODE_HDMI_1_4 : MODE_DVI;
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kfree(edid);
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}
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--
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2.29.2
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