[PATCH 0/2] Program Deep PKG_C_LATENCY register

Suraj Kandpal suraj.kandpal at intel.com
Thu Feb 1 08:51:57 UTC 2024


The change needed here is to read the latency from the punit and write
it onto the display register PKGC_LATENCY, so that the DE_WAKE is
asserted at latency us before window2 to bring memory up for DSBs
Hw is also responsible to block from entering to deep PKGC until frame
start.

Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>

Suraj Kandpal (2):
  drm/i915/lnl: Add pkgc related register
  drm/i915/lnl: Program PKGC_LATENCY register

 drivers/gpu/drm/i915/display/skl_watermark.c  | 31 +++++++++++++++++++
 .../gpu/drm/i915/display/skl_watermark_regs.h |  4 +++
 2 files changed, 35 insertions(+)

-- 
2.25.1



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