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-rw-r--r--meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0026-drm-adv7511-add-polling-mode-when-no-irq-available.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0026-drm-adv7511-add-polling-mode-when-no-irq-available.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0026-drm-adv7511-add-polling-mode-when-no-irq-available.patch
new file mode 100644
index 0000000..3adfa21
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0026-drm-adv7511-add-polling-mode-when-no-irq-available.patch
@@ -0,0 +1,30 @@
+From 06473f51a6aa077cd56745bd14d114ff3269fe19 Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Tue, 30 May 2017 18:42:09 +0300
+Subject: [PATCH] drm: adv7511: add polling mode (when no irq available)
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+index a104b43b56a0..8be1baca05d0 100644
+--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
++++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+@@ -838,7 +838,11 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge)
+ return -ENODEV;
+ }
+
+- adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
++ if (adv->i2c_main->irq)
++ adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
++ else
++ adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
++ DRM_CONNECTOR_POLL_DISCONNECT;
+
+ ret = drm_connector_init(bridge->dev, &adv->connector,
+ &adv7511_connector_funcs,
+--
+2.13.0
+