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 389B3881F for ; Fri, 10 Mar 2023 14:39:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80356C433A1; Fri, 10 Mar 2023 14:39:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678459192; bh=8N5s7Z4ITUVQThFQ+5AReQNdLRSeA9LIfXv0b5Q6HOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z1VWVHCUTLrKPKMQZaaL4kHsJVPrjHKrvHtrso5Hyo3Vo4gLYl1Uk6tO4SwONrRfK 9/onWI+/jClgg5Ai+wyil+oJ2pe4EN3YSMXDD7Gsj4tKU+u6JS1jBYtd+JhFLpNbVG HsSWFvwyqXxwsva9ZwlaeHrosugdldKoTwAk5G3M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mavroudis Chatzilaridis , Jani Nikula Subject: [PATCH 5.4 279/357] drm/i915/quirks: Add inverted backlight quirk for HP 14-r206nv Date: Fri, 10 Mar 2023 14:39:28 +0100 Message-Id: <20230310133747.063618107@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133733.973883071@linuxfoundation.org> References: <20230310133733.973883071@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 @@ -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)