]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
drm: add LG eDP panel to quirk database
authorLee, Shawn C <shawn.c.lee@intel.com>
Wed, 12 Sep 2018 06:22:51 +0000 (23:22 -0700)
committerJani Nikula <jani.nikula@intel.com>
Wed, 19 Sep 2018 13:44:12 +0000 (16:44 +0300)
commite884818cc0edb9bd128de95e7ca6b569f4667c0f
tree8a94fe1ff37963d42186c3fb05c53b7eda66bb20
parent53ca2edcf033f3368b2dc0ef3cbcc2f47d556d13
drm: add LG eDP panel to quirk database

The N value was computed by kernel driver that based on synchronous clock
mode. But only specific N value (0x8000) would be acceptable for
LG LP140WF6-SPM1 eDP panel which is running at asynchronous clock mode.
With the other N value, Tcon will enter BITS mode and display black screen.
Add this panel into quirk database and give particular N value when
calculate M/N divider.

v2: no update
v3: add lost commit messages back for version 2
v4: send patch to both intel-gfx and dri-devel

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Lee, Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1536733371-25004-4-git-send-email-shawn.c.lee@intel.com
drivers/gpu/drm/drm_dp_helper.c