From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
Cooper Chiou <cooper.chiou@intel.com>,
Lee@freedesktop.org, Jani Nikula <jani.nikula@intel.com>,
dri-devel@lists.freedesktop.org,
Daniel Vetter <daniel.vetter@ffwll.ch>,
"Lee, Shawn C" <shawn.c.lee@intel.com>
Subject: [PATCH AUTOSEL 4.14 13/26] drm/edid: Add 6 bpc quirk for BOE panel.
Date: Tue, 13 Nov 2018 00:51:37 -0500 [thread overview]
Message-ID: <20181113055150.78773-13-sashal@kernel.org> (raw)
In-Reply-To: <20181113055150.78773-1-sashal@kernel.org>
From: "Lee, Shawn C" <shawn.c.lee@intel.com>
[ Upstream commit 922dceff8dc1fb4dafc9af78139ba65671408103 ]
BOE panel (ID: 0x0771) that reports "DFP 1.x compliant TMDS".
But it's 6bpc panel only instead of 8 bpc.
Add panel ID to edid quirk list and set 6 bpc as default to
work around this issue.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Signed-off-by: Lee, Shawn C <shawn.c.lee@intel.com>>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1540792173-7288-1-git-send-email-shawn.c.lee@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/drm_edid.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index d1191ebed072..ed01e3aae0e8 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -120,6 +120,9 @@ static const struct edid_quirk {
/* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
{ "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
+ /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
+ { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
+
/* Belinea 10 15 55 */
{ "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
{ "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
--
2.17.1
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parent reply other threads:[~2018-11-13 5:52 UTC|newest]
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[parent not found: <20181113055150.78773-1-sashal@kernel.org>]
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