drm/i915/dsc: Add helper for writing DSC Selective Update ET parameters

Browse source

commit bb5f1cd101 upstream.

There are slice row per frame and pic height configuration in DSC Selective
Update Parameter Set 1 register. Add helper for configuring these.

v2:
  - Add WARN_ON_ONCE if vdsc instances per pipe > 2
  - instead of checking vdsc instances per pipe being > 1 check == 2

Bspec: 71709
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20260304113011.626542-4-jouni.hogander@intel.com
(cherry picked from commit c8698d61ae)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
[tursulin: fixup forward declaration conflict]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Jouni Högander 2026-03-04 13:30:10 +02:00 • committed by Greg Kroah-Hartman

parent 291d19d586

commit a5cdbbc771

2 changed files with 26 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

23

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

View file

3

drivers/gpu/drm/i915/display/intel_vdsc.h

View file