Patch "drm/i915/quirks: Add inverted backlight quirk for HP 14-r206nv" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/i915/quirks: Add inverted backlight quirk for HP 14-r206nv

to the 5.4-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-quirks-add-inverted-backlight-quirk-for-hp-14-r206nv.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 5e438bf7f9a1705ebcae5fa89cdbfbc6932a7871 Mon Sep 17 00:00:00 2001
From: Mavroudis Chatzilaridis <mavchatz@xxxxxxxxxxxxxx>
Date: Wed, 1 Feb 2023 18:51:25 +0000
Subject: drm/i915/quirks: Add inverted backlight quirk for HP 14-r206nv

From: Mavroudis Chatzilaridis <mavchatz@xxxxxxxxxxxxxx>

commit 5e438bf7f9a1705ebcae5fa89cdbfbc6932a7871 upstream.

This laptop uses inverted backlight PWM. Thus, without this quirk,
backlight brightness decreases as the brightness value increases and
vice versa.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8013
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mavroudis Chatzilaridis <mavchatz@xxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20230201184947.8835-1-mavchatz@xxxxxxxxxxxxxx
(cherry picked from commit 83e7d6fd330d413cb2064e680ffea91b0512a520)
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_quirks.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/display/intel_quirks.c
+++ b/drivers/gpu/drm/i915/display/intel_quirks.c
@@ -149,6 +149,8 @@ static struct intel_quirk intel_quirks[]
 	/* ECS Liva Q2 */
 	{ 0x3185, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
 	{ 0x3184, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
+	/* HP Notebook - 14-r206nv */
+	{ 0x0f31, 0x103c, 0x220f, quirk_invert_brightness },
 };
 
 void intel_init_quirks(struct drm_i915_private *i915)


Patches currently in stable-queue which might be from mavchatz@xxxxxxxxxxxxxx are

queue-5.4/drm-i915-quirks-add-inverted-backlight-quirk-for-hp-14-r206nv.patch



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