Re: [Intel-gfx] [PATCH v4 13/16] drm/i915: Add helper functions for calculating DSC parameters for HDMI2.1

2020-12-12 Thread Shankar, Uma
> -Original Message- > From: Nautiyal, Ankit K > Sent: Tuesday, December 8, 2020 1:22 PM > To: intel-gfx@lists.freedesktop.org > Cc: dri-de...@lists.freedesktop.org; Shankar, Uma ; > airl...@linux.ie; jani.nik...@linux.intel.com; ville.syrj...@linux.intel.com; > Kulkarni, Vandita ;

[Intel-gfx] [PATCH v4 13/16] drm/i915: Add helper functions for calculating DSC parameters for HDMI2.1

2020-12-07 Thread Ankit Nautiyal
The DP-HDMI2.1 PCON spec provides way for a source to set PPS parameters: slice height, slice width and bits_per_pixel, based on the HDMI2.1 sink capabilities. The DSC encoder of the PCON will respect these parameters, while preparing the 128 byte PPS. This patch adds helper functions to