diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0295-drm-vc4-Let-gpiolib-know-that-we-re-OK-with-sleeping.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0295-drm-vc4-Let-gpiolib-know-that-we-re-OK-with-sleeping.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0295-drm-vc4-Let-gpiolib-know-that-we-re-OK-with-sleeping.patch b/target/linux/brcm2708/patches-4.4/0295-drm-vc4-Let-gpiolib-know-that-we-re-OK-with-sleeping.patch new file mode 100644 index 0000000000..4f74d0ab29 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0295-drm-vc4-Let-gpiolib-know-that-we-re-OK-with-sleeping.patch @@ -0,0 +1,27 @@ +From 10f0d3fb0d155b0a6837f56a5e6a663a33d003ba Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Mon, 29 Feb 2016 17:53:00 -0800 +Subject: [PATCH 295/304] drm/vc4: Let gpiolib know that we're OK with sleeping + for HPD. + +Fixes an error thrown every few seconds when we poll HPD when it's on +a I2C to GPIO expander. + +Signed-off-by: Eric Anholt <eric@anholt.net> +Tested-by: Daniel Stone <daniels@collabora.com> +(cherry picked from commit 0e60eab57557bc06bb3a5ef8d5d6dcd9ddd47aff) +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -168,7 +168,7 @@ vc4_hdmi_connector_detect(struct drm_con + return connector_status_connected; + + if (vc4->hdmi->hpd_gpio) { +- if (gpio_get_value(vc4->hdmi->hpd_gpio)) ++ if (gpio_get_value_cansleep(vc4->hdmi->hpd_gpio)) + return connector_status_connected; + else + return connector_status_disconnected; |