diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/805-display-0021-DRM-mhdp-HDMI-skip-scdc-write-return-check.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/805-display-0021-DRM-mhdp-HDMI-skip-scdc-write-return-check.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/805-display-0021-DRM-mhdp-HDMI-skip-scdc-write-return-check.patch b/target/linux/layerscape/patches-5.4/805-display-0021-DRM-mhdp-HDMI-skip-scdc-write-return-check.patch new file mode 100644 index 0000000000..a41beea29e --- /dev/null +++ b/target/linux/layerscape/patches-5.4/805-display-0021-DRM-mhdp-HDMI-skip-scdc-write-return-check.patch @@ -0,0 +1,29 @@ +From 74c383e7da3e20c201e3b0c847a3d2f6fa0dbdc6 Mon Sep 17 00:00:00 2001 +From: Sandor Yu <Sandor.yu@nxp.com> +Date: Sun, 29 Sep 2019 14:48:28 +0800 +Subject: [PATCH] DRM: mhdp: HDMI: skip scdc write return check + +HDMI sink that only support HDMI1.4 is not support +SCDC read/write. Skip the SCDC write check and continue +HDMI initialize process. + +Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> +--- + drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + +--- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c ++++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c +@@ -173,10 +173,8 @@ void cdns_hdmi_mode_set(struct cdns_mhdp + int ret; + + ret = hdmi_sink_config(mhdp); +- if (ret < 0) { +- DRM_ERROR("%s failed\n", __func__); +- return; +- } ++ if (ret < 0) ++ DRM_DEBUG("%s failed\n", __func__); + + ret = cdns_hdmi_ctrl_init(mhdp, mhdp->hdmi.hdmi_type, mhdp->hdmi.char_rate); + if (ret < 0) { |