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2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
964 B
Diff
28 lines
964 B
Diff
From 92bceb9faef5ef033e79b746aa8d5fd465548fbc Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 29 Feb 2016 17:53:00 -0800
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Subject: [PATCH] drm/vc4: Let gpiolib know that we're OK with sleeping for
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HPD.
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Fixes an error thrown every few seconds when we poll HPD when it's on
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a I2C to GPIO expander.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Tested-by: Daniel Stone <daniels@collabora.com>
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(cherry picked from commit 0e60eab57557bc06bb3a5ef8d5d6dcd9ddd47aff)
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -168,7 +168,7 @@ vc4_hdmi_connector_detect(struct drm_con
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return connector_status_connected;
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if (vc4->hdmi->hpd_gpio) {
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- if (gpio_get_value(vc4->hdmi->hpd_gpio))
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+ if (gpio_get_value_cansleep(vc4->hdmi->hpd_gpio))
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return connector_status_connected;
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else
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return connector_status_disconnected;
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