This is a note to let you know that I've just added the patch titled
drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-dsi-fix-chv_exec_gpio-disabling-the-gpios-it-is-setting.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 22ca0d4991169b76e753d767a45f1105c356bbb8 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@xxxxxxxxxx>
Date: Thu, 1 Dec 2016 21:29:09 +0100
Subject: drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
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From: Hans de Goede <hdegoede@xxxxxxxxxx>
commit 22ca0d4991169b76e753d767a45f1105c356bbb8 upstream.
Set the CHV_GPIO_GPIOEN bit when updating GPIOs from chv_exec_gpio.
Fixes: a0a6d4ffd2ad ("drm/i915/dsi: add support for gpio elements on CHV")
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20161201202925.12220-3-hdegoede@xxxxxxxxxx
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
(cherry picked from commit b2b45fcd921e864a5e9bbc7aa55dee96d5e11c06)
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -296,7 +296,8 @@ static void chv_exec_gpio(struct drm_i91
mutex_lock(&dev_priv->sb_lock);
vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
vlv_iosf_sb_write(dev_priv, port, cfg0,
- CHV_GPIO_GPIOCFG_GPO | CHV_GPIO_GPIOTXSTATE(value));
+ CHV_GPIO_GPIOEN | CHV_GPIO_GPIOCFG_GPO |
+ CHV_GPIO_GPIOTXSTATE(value));
mutex_unlock(&dev_priv->sb_lock);
}
Patches currently in stable-queue which might be from hdegoede@xxxxxxxxxx are
queue-4.9/acpi-video-add-force_native-quirk-for-hp-pavilion-dv6.patch
queue-4.9/acpi-video-add-force_native-quirk-for-dell-xps-17-l702x.patch
queue-4.9/drm-i915-dsi-fix-chv_exec_gpio-disabling-the-gpios-it-is-setting.patch
queue-4.9/drm-i915-dsi-do-not-clear-dpounit_clock_gate_disable-from-vlv_init_display_clock_gating.patch
--
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