diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch b/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch deleted file mode 100644 index 4dcd5c86d6..0000000000 --- a/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch +++ /dev/null @@ -1,74 +0,0 @@ -From fa76cd6f0ed305fb2870083842b1ff7bcf027655 Mon Sep 17 00:00:00 2001 -From: Sandor Yu <Sandor.yu@nxp.com> -Date: Mon, 9 Dec 2019 17:52:35 +0800 -Subject: [PATCH] LF-323-1: drm/bridge/cdns: move link training to bridge - enable function - -Move link training and video enable functions from mode_set to -bridge_enable. it is more reasonable. -cdns_dp_mode_set don't needed in HPD thread, DP link training will -resetup in bridge_enable when cable connecting. - -Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> -Reviewed-by: Robby Cai <robby.cai@nxp.com> ---- - drivers/gpu/drm/bridge/cadence/cdns-dp-core.c | 34 +++++++++++++-------------- - 1 file changed, 16 insertions(+), 18 deletions(-) - ---- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c -+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c -@@ -178,19 +178,6 @@ static void cdns_dp_mode_set(struct cdns - return; - } - -- /* Link trainning */ -- ret = cdns_mhdp_train_link(mhdp); -- if (ret) { -- DRM_DEV_ERROR(mhdp->dev, "Failed link train %d\n", ret); -- return; -- } -- -- ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_VALID); -- if (ret) { -- DRM_DEV_ERROR(mhdp->dev, "Failed to valid video %d\n", ret); -- return; -- } -- - return; - } - -@@ -339,6 +326,21 @@ static void cdns_dp_bridge_mode_set(stru - - static void cdn_hdp_bridge_enable(struct drm_bridge *bridge) - { -+ struct cdns_mhdp_device *mhdp = bridge->driver_private; -+ int ret; -+ -+ /* Link trainning */ -+ ret = cdns_mhdp_train_link(mhdp); -+ if (ret) { -+ DRM_DEV_ERROR(mhdp->dev, "Failed link train %d\n", ret); -+ return; -+ } -+ -+ ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_VALID); -+ if (ret) { -+ DRM_DEV_ERROR(mhdp->dev, "Failed to valid video %d\n", ret); -+ return; -+ } - } - - static void cdn_hdp_bridge_disable(struct drm_bridge *bridge) -@@ -366,11 +368,7 @@ static void hotplug_work_func(struct wor - drm_helper_hpd_irq_event(connector->dev); - - if (connector->status == connector_status_connected) { -- /* reset video mode after cable plugin */ -- mutex_lock(&mhdp->lock); -- cdns_dp_mode_set(mhdp); -- mutex_unlock(&mhdp->lock); -- -+ /* Cable connedted */ - DRM_INFO("HDMI/DP Cable Plug In\n"); - enable_irq(mhdp->irq[IRQ_OUT]); - } else if (connector->status == connector_status_disconnected) { |