Quoting Animesh Manna (2024-12-09 04:47:02-03:00) >The PKG_C_LATENCY Added Wake Time field is not working. >When added wake time is needed, such as for flip queue >DSB execution, increase the PKG_C_LATENCY Pkg C Latency >field by the added wake time. > >WA: 22020432604 > >v1: Initial version. >v2: Rebase and cosmetic changes. > >Cc: Suraj Kandpal <suraj.kandpal@xxxxxxxxx> >Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx> >--- > drivers/gpu/drm/i915/display/skl_watermark.c | 6 ++++++ > 1 file changed, 6 insertions(+) > >diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c >index d93f6786db0e..f6f7205e06eb 100644 >--- a/drivers/gpu/drm/i915/display/skl_watermark.c >+++ b/drivers/gpu/drm/i915/display/skl_watermark.c >@@ -2894,6 +2894,12 @@ intel_program_dpkgc_latency(struct intel_atomic_state *state) > display->sagv.block_time_us; > } > >+ /* Wa_22020432604 */ >+ if (DISPLAY_VER(i915) == 30) { This WA also applies to Xe2_LPD (i.e. display version 20). -- Gustavo Sousa >+ latency += added_wake_time; >+ added_wake_time = 0; >+ } >+ > clear = LNL_ADDED_WAKE_TIME_MASK | LNL_PKG_C_LATENCY_MASK; > val = REG_FIELD_PREP(LNL_PKG_C_LATENCY_MASK, latency) | > REG_FIELD_PREP(LNL_ADDED_WAKE_TIME_MASK, added_wake_time); >-- >2.29.0 >