Re: [Intel-gfx] [v4 3/7] i915/dp/fec: Check for FEC Support

2018-10-31 Thread Srivatsa, Anusha
>-Original Message- >From: Ville Syrjälä [mailto:ville.syrj...@linux.intel.com] >Sent: Wednesday, October 31, 2018 2:01 PM >To: Srivatsa, Anusha >Cc: intel-gfx@lists.freedesktop.org; Singh, Gaurav K >; >Jani Nikula ; Navare, Manasi D >; Pandiyan, Dhinakaran > >Subject: Re: [v4 3/7] i915

Re: [Intel-gfx] [v4 3/7] i915/dp/fec: Check for FEC Support

2018-10-31 Thread Ville Syrjälä
On Tue, Oct 30, 2018 at 05:45:13PM -0700, Anusha Srivatsa wrote: > For DP 1.4 and above, Display Stream compression can be > enabled only if Forward Error Correctin can be performed. > > Check if the sink supports FEC using the helper. > > v2: Mention External DP where ever FEC is mentioned > in

[Intel-gfx] [v4 3/7] i915/dp/fec: Check for FEC Support

2018-10-30 Thread Anusha Srivatsa
For DP 1.4 and above, Display Stream compression can be enabled only if Forward Error Correctin can be performed. Check if the sink supports FEC using the helper. v2: Mention External DP where ever FEC is mentioned in the code.Check return status of dpcd reads. (Gaurav) - Do regular mode check ev