From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Lee, Shawn C" , Jani Nikula , Maarten Lankhorst , Gustavo Padovan , Cooper Chiou , Lee, Daniel Vetter , Sasha Levin , dri-devel@lists.freedesktop.org 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 Message-Id: <20181113055150.78773-13-sashal@kernel.org> In-Reply-To: <20181113055150.78773-1-sashal@kernel.org> References: <20181113055150.78773-1-sashal@kernel.org> List-ID: From: "Lee, Shawn C" [ 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 Cc: Maarten Lankhorst Cc: Gustavo Padovan Cc: Cooper Chiou Signed-off-by: Lee, Shawn C > Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/1540792173-7288-1-git-send-email-shawn.c.lee@intel.com Signed-off-by: Sasha Levin --- 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