drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Sun, 18 Feb 2018 08:53:59 +0000 (16:53 +0800)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 19 Feb 2018 15:43:50 +0000 (16:43 +0100)
commit06998a756a3865817b87a129a7e5d5bb66dc1ec3
tree9c9c88e5167257fe60e9a56971ec515fde0fff4e
parentaa0aad57909eb321746325951d66af88a83bc956
drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA

Similar to commit e10aec652f31 ("drm/edid: Add 6 bpc quirk for display
AEO model 0."), the EDID reports "DFP 1.x compliant TMDS" but it support
6bpc instead of 8 bpc.

Hence, use 6 bpc quirk for this panel.

Fixes: 196f954e2509 ("drm/i915/dp: Revert "drm/i915/dp: fall back to 18 bpp when sink capability is unknown"")
BugLink: https://bugs.launchpad.net/bugs/1749420
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180218085359.7817-1-kai.heng.feng@canonical.com
drivers/gpu/drm/drm_edid.c