Re: [PATCH v3 033/105] drm/vc4: crtc: Assign output to channel automatically

2020-06-17 Thread Maxime Ripard
Hi Eric, On Wed, May 27, 2020 at 10:23:23AM -0700, Eric Anholt wrote: > On Wed, May 27, 2020 at 8:50 AM Maxime Ripard wrote: > > static int > > vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) > > { > > - int ret; > > + unsigned long unassigned_channels = GE

Re: [PATCH v3 033/105] drm/vc4: crtc: Assign output to channel automatically

2020-05-27 Thread Eric Anholt
On Wed, May 27, 2020 at 8:50 AM Maxime Ripard wrote: > > The HVS found in the BCM2711 has 6 outputs and 3 FIFOs, with each output > being connected to a pixelvalve, and some muxing between the FIFOs and > outputs. > > Any output cannot feed from any FIFO though, and they all have a bunch of > cons