Re: [Intel-gfx] [PATCH v3 1/2] drm/dp: Factor out a function to probe a DPCD address

On Mon, 11 Apr 2022, Imre Deak wrote: > Factor out from drm_dp_dpcd_read() a function to probe a DPCD address > with a 1-byte read access. This will be needed by the next patch doing a > read from an LTTPR address, which must happen without the preceding > wake-up read in drm_dp_dpcd_read(). > > W

[Intel-gfx] [PATCH v3 1/2] drm/dp: Factor out a function to probe a DPCD address

Factor out from drm_dp_dpcd_read() a function to probe a DPCD address with a 1-byte read access. This will be needed by the next patch doing a read from an LTTPR address, which must happen without the preceding wake-up read in drm_dp_dpcd_read(). While at it add tracing for the 1 byte read even if