This display is apparently confused by any InfoFrames (see
https://bugzilla.redhat.com/show_bug.cgi?id=806091).
Tested on a ThinkPad T510 (nVidia GT218 [NVS 3100M]) and a co-
workers ThinkPad X220 with Intel graphics. EDID_QUIRK_NO_AUDIO
makes this display work with the Intel driver; nouveau requires
EDID_QUIRK_DISABLE_INFOFRAMES.
Signed-off-by: Ian Pilcher <arequip...@gmail.com>
Acked-by: Paul Menzel <paulepan...@users.sourceforge.net>
---
drivers/gpu/drm/drm_edid.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 61586b4..1f50e09 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -160,6 +160,10 @@ union edid_quirk edid_quirk_list[EDID_QUIRK_LIST_SIZE] = {
{ { { { EDID_MFG_ID('V', 'S', 'C'), cpu_to_le16(5020) } },
EDID_QUIRK_FORCE_REDUCED_BLANKING } },
+ /* LG L246WP */
+ { { { { EDID_MFG_ID('G', 'S', 'M'), cpu_to_le16(0x563f) } },
+ EDID_QUIRK_DISABLE_INFOFRAMES | EDID_QUIRK_NO_AUDIO } },
+
/*
* When adding built-in quirks, please adjust EDID_QUIRK_LIST_SIZE to
* provide some room for user-supplied quirks.
--
1.7.11.2
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