diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2025-08-22 13:58:46 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2025-08-26 10:23:21 +0300 |
| commit | c65ee1b1ffc68e274d6c1cebdf9df09407d180fd (patch) | |
| tree | 019355e4c3e28522ec6330528b7a6f2075910218 /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 9cc10041e9fe7f32c4817e3cdd806ff1986d266c (diff) | |
drm/i915/psr: Do not unnecessarily remove underrun on idle PSR WA
We are currently removing underrun on idle PSR WA even if it's not
applied. Fix this by checking pkg_c_latency_used on PSR exit as well.
Fixes: 9b1795e9b0ae ("drm/i915/psr: Underrun on idle PSR wa only when pkgc latency > delayed vblank")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://lore.kernel.org/r/20250822105846.1023631-1-jouni.hogander@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index eec4f7dc2d66..681e20d92376 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -2095,8 +2095,9 @@ static void intel_psr_exit(struct intel_dp *intel_dp) drm_WARN_ON(display->drm, !(val & EDP_PSR2_ENABLE)); } else { - if (DISPLAY_VER(display) == 20 || - IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + intel_dp->psr.pkg_c_latency_used) intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(display, intel_dp->psr.pipe, false); |