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drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl

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commit 0711a43b6d upstream.

There's another panel that reports "DFP 1.x compliant TMDS" but it
supports 6bpc instead of 8 bpc.

Apply 6 bpc quirk for the panel to fix it.

BugLink: https://bugs.launchpad.net/bugs/1794387
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181002152911.4370-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kai-Heng Feng
2018-10-02 23:29:11 +08:00
committed by Greg Kroah-Hartman
parent 7a4b046b0c
commit fd3127215b
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/drm_edid.c
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@@ -111,6 +111,9 @@ static const struct edid_quirk {
/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },