From: Kai-Heng Feng <kai.heng.feng@canonical.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS),
linux-kernel@vger.kernel.org (open list)
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>,
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 2/2] drm/dp: HP DreamColor panel brigntness fix
Date: Wed, 7 Oct 2020 14:58:21 +0800 [thread overview]
Message-ID: <20201007065915.13883-2-kai.heng.feng@canonical.com> (raw)
In-Reply-To: <20201007065915.13883-1-kai.heng.feng@canonical.com>
HP DreamColor panel, which is used by new HP ZBook Studio, needs to use
DPCD to control brightness.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.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 092c8c985911..b3d0ea1b082b 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1321,6 +1321,7 @@ static const struct edid_quirk edid_quirk_list[] = {
*/
{ MFG(0x06, 0xaf), PROD_ID(0x9b, 0x32), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
{ MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
+ { MFG(0x30, 0xe4), PROD_ID(0x61, 0x06), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
{ 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) },
--
2.17.1
next prev parent reply other threads:[~2020-10-07 6:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-07 6:58 [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk Kai-Heng Feng
2020-10-07 6:58 ` Kai-Heng Feng [this message]
2020-10-07 21:53 ` Lyude Paul
2020-10-08 2:32 ` Kai-Heng Feng
2020-10-08 16:39 ` Lyude Paul
2020-10-08 17:06 ` Lyude Paul
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