drm/i915/dp: Enable 3 DSC engines for 12 slices

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Certain resolutions require 12 DSC slices support along with ultrajoiner.
For such cases, the third DSC Engine per Pipe is enabled. Each DSC
Engine processes 1 Slice, resulting in a total of 12 VDSC slices
(4 Pipes * 3 DSC Instances per Pipe).
Add support for 12 DSC slices and 3 DSC engines for such modes.

v2: Add missing check for 3 slices support only with 4 joined pipes.
(Suraj)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241030041036.1238006-8-ankit.k.nautiyal@intel.com

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Ankit Nautiyal 2024-10-30 09:40:36 +05:30

parent d1f34623ad

commit be7f5fcdf4

1 changed files with 17 additions and 2 deletions

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drivers/gpu/drm/i915/display/intel_dp.c

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