Re: [Intel-gfx] [PATCH] drm/i915/display/tgl+: Add new sequence step for MST + FEC

2021-05-02 Thread Ville Syrjälä
On Fri, Apr 30, 2021 at 02:27:44PM -0700, José Roberto de Souza wrote: > For DP 1.4 sinks + MST + FEC it is required to prevent a FEC stall > signaling. We don't use FEC with MST. > > BSpec: 49190 > BSpec: 54128 > Signed-off-by: José Roberto de Souza > --- > drivers/gpu/drm/i915/display/intel_

[Intel-gfx] [PATCH] drm/i915/display/tgl+: Add new sequence step for MST + FEC

2021-04-30 Thread José Roberto de Souza
For DP 1.4 sinks + MST + FEC it is required to prevent a FEC stall signaling. BSpec: 49190 BSpec: 54128 Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 28 + drivers/gpu/drm/i915/i915_reg.h | 1 + 2 files changed, 29 inserti