[RFC][PATCH 0/5 v2] adv7511 EDID probing improvements

From: John Stultz
Date: Tue Nov 29 2016 - 00:05:08 EST

Wanted to send out v2 of this patch set improving the EDID
probing on the adv7511 used on HiKey.

The first three patches are fixups that are hopefully straight
forward, integrating feedback I got from Laurant.

One of the previous patches that Laurant had concerns about, I
broke into two patches, which are the last two in this series.
The core issue seems to be something going wrong with the regmap
cache state for the ADV7511_REG_EDID_I2C_ADDR (0x43) register
which results in i2c_transfer errors if we don't do the
regcache_sync/_mark_dirty() calls. I suspect there might be a
better solution there, so suggestions will be very welcome.

Thoughts and feedback would be appreciated!


Cc: David Airlie <airlied@xxxxxxxx>
Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
Cc: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx

Archit Taneja (1):
drm/bridge: adv7511: Enable HPD interrupts to support hotplug and
improve monitor detection

John Stultz (4):
drm/bridge: adv7511: Use work_struct to defer hotplug handing to out
of irq context
drm/bridge: adv7511: Switch to using drm_kms_helper_hotplug_event()
drm/bridge: adv7511: Rework adv7511_power_on/off() so they can be
reused internally
drm/bridge: adv7511: Reuse __adv7511_power_on/off() when probing EDID

drivers/gpu/drm/bridge/adv7511/adv7511.h | 2 ++
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 49 ++++++++++++++++------------
2 files changed, 31 insertions(+), 20 deletions(-)