diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/805-display-0030-drm-imx-hdp-fix-issue-with-non-SCDC-HDMI-sinks.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/805-display-0030-drm-imx-hdp-fix-issue-with-non-SCDC-HDMI-sinks.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/layerscape/patches-5.4/805-display-0030-drm-imx-hdp-fix-issue-with-non-SCDC-HDMI-sinks.patch b/target/linux/layerscape/patches-5.4/805-display-0030-drm-imx-hdp-fix-issue-with-non-SCDC-HDMI-sinks.patch deleted file mode 100644 index be72d1fd38..0000000000 --- a/target/linux/layerscape/patches-5.4/805-display-0030-drm-imx-hdp-fix-issue-with-non-SCDC-HDMI-sinks.patch +++ /dev/null @@ -1,60 +0,0 @@ -From d9440f7cb8fa5853b9dcc6e2b165725ac3e8b70c Mon Sep 17 00:00:00 2001 -From: Laurentiu Palcu <laurentiu.palcu@nxp.com> -Date: Wed, 27 Nov 2019 13:34:51 +0200 -Subject: [PATCH] drm/imx/hdp: fix issue with non-SCDC HDMI sinks - -Currently, if sink does not support SCDC, even if the sink is HDMI 1.4 or 2.0, -the hdmi_type is left to default value (MODE_DVI). Hence the HDMI controler is -not properly initialized when cdns_hdmi_ctrl_init() is called. - -Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com> -Reported-by: Jared Hu <jared.hu@nxp.com> -Reviewed-by: Sandor Yu <sandor.yu@nxp.com> ---- - drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c | 20 ++++++++++---------- - 1 file changed, 10 insertions(+), 10 deletions(-) - ---- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c -+++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c -@@ -29,11 +29,17 @@ - static void hdmi_sink_config(struct cdns_mhdp_device *mhdp) - { - struct drm_scdc *scdc = &mhdp->connector.base.display_info.hdmi.scdc; -- u8 buff; -+ struct drm_display_info *di = &mhdp->connector.base.display_info; -+ u8 buff = 0; -+ -+ if (scdc->supported || di->color_formats & DRM_COLOR_FORMAT_YCRCB420) -+ mhdp->hdmi.hdmi_type = MODE_HDMI_2_0; -+ else -+ mhdp->hdmi.hdmi_type = MODE_HDMI_1_4; - - /* check sink support SCDC or not */ -- if (scdc->supported != true) { -- DRM_INFO("Sink Not Support SCDC\n"); -+ if (!scdc->supported) { -+ DRM_INFO("Sink does not support SCDC\n"); - return; - } - -@@ -43,19 +49,13 @@ static void hdmi_sink_config(struct cdns - * Enable scrambling and TMDS_Bit_Clock_Ratio - */ - buff = SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 | SCDC_SCRAMBLING_ENABLE; -- mhdp->hdmi.hdmi_type = MODE_HDMI_2_0; - } else if (scdc->scrambling.low_rates) { - /* - * Enable scrambling and HDMI2.0 when scrambling capability of sink - * be indicated in the HF-VSDB LTE_340Mcsc_scramble bit - */ - buff = SCDC_SCRAMBLING_ENABLE; -- mhdp->hdmi.hdmi_type = MODE_HDMI_2_0; -- } else { -- /* Default work in HDMI1.4 */ -- buff = 0; -- mhdp->hdmi.hdmi_type = MODE_HDMI_1_4; -- } -+ } - - /* TMDS config */ - cdns_hdmi_scdc_write(mhdp, 0x20, buff); |