linux-kernel - [PATCH] drm/dp: Add dpcd backlight control for 0x4c83 0x4f41

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Message-Id: <20201120042340.20044-1-kaichuan.hsieh@canonical.com>
Date:   Fri, 20 Nov 2020 12:23:40 +0800
From:   Kai-Chuan Hsieh <kaichuan.hsieh@...onical.com>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/dp: Add dpcd backlight control for 0x4c83 0x4f41

Signed-off-by: Kai-Chuan Hsieh <kaichuan.hsieh@...onical.com>
---
 drivers/gpu/drm/drm_dp_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index deeed73f4ed6..6789e30a3cba 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1882,6 +1882,7 @@ static const struct edid_quirk edid_quirk_list[] = {
 	{ MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 	{ MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 	{ MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
+	{ MFG(0x4c, 0x83), PROD_ID(0x4f, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 };
 
 #undef MFG
-- 
2.25.1