From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C62878827 for ; Fri, 10 Mar 2023 15:05:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BAFEC433EF; Fri, 10 Mar 2023 15:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678460701; bh=XXphCb4Jxa9DomYsy0q0UXKSOLmsQb0XH6ODWH37VvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uapKiuU5jQTgLAFozWqdfJDyIYQDpefmm6sZp+WnVZCYlp+FrVG0k2VECKogG77Ti 3faNdchbzOlhQiFPvdo8v5sBvzQjF2U2ll/cCMtbrHIBoXQK2vY/wtnOCiLbdFLG9L GIg/FcDR4JCKivRzuVX3So9KqGqAarD9hsL4qqXU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mavroudis Chatzilaridis , Jani Nikula Subject: [PATCH 5.10 423/529] drm/i915/quirks: Add inverted backlight quirk for HP 14-r206nv Date: Fri, 10 Mar 2023 14:39:26 +0100 Message-Id: <20230310133824.588429571@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133804.978589368@linuxfoundation.org> References: <20230310133804.978589368@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Mavroudis Chatzilaridis 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@vger.kernel.org Signed-off-by: Mavroudis Chatzilaridis Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20230201184947.8835-1-mavchatz@protonmail.com (cherry picked from commit 83e7d6fd330d413cb2064e680ffea91b0512a520) Signed-off-by: Greg Kroah-Hartman --- 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 @@ -159,6 +159,8 @@ 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)