drm/vc4: Set up SCALER_DISPCTRL at boot.
authorEric Anholt <eric@anholt.net>
Thu, 15 Sep 2016 14:25:23 +0000 (15:25 +0100)
committerRaspbian kernel package updater <root@raspbian.org>
Sun, 8 Oct 2017 01:00:19 +0000 (01:00 +0000)
commitfdac8717373b2ffd47f9da5a336586b36efa4af3
tree348ce167b68a17efdd932a186cca9fda236e27dd
parentb0bca8bd20c4344b707332403cd81c195c821425
drm/vc4: Set up SCALER_DISPCTRL at boot.

We want the HVS on, obviously, and we also want DSP3 (PV1's source) to
be muxed from HVS channel 2 like we expect in vc4_crtc.c.  The
firmware wasn't setting the DSP3 mux up when both the LCD and HDMI
were disabled.

Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/vc4/vc4_hvs.c
drivers/gpu/drm/vc4/vc4_regs.h