RE: [PATCH 19/19] drm/i915/display: PSR set idle frames while exit from DC3CO

Shankar, Uma
2026-04-13T22:21:41Z

> -----Original Message-----
> From: Dibin Moolakadan Subrahmanian
> <dibin.moolakadan.subrahmanian@intel.com>
> Sent: Thursday, March 26, 2026 10:46 PM
> To: intel-gfx@lists.freedesktop.org; intel-xe@lists.freedesktop.org
> Cc: Manna, Animesh <animesh.manna@intel.com>; Shankar, Uma
> <uma.shankar@intel.com>; Kurmi, Suresh Kumar
> <suresh.kumar.kurmi@intel.com>
> Subject: [PATCH 19/19] drm/i915/display: PSR set idle frames while exit from
> DC3CO
>
> After 6 idle frames, DC3CO is exited and DC6 is enabled.
> Reprogram idle frames so that the deeper states can be entered.

Change Looks good but should be squashed with earlier patches adding PSR2 idle frames.

> Signed-off-by: Dibin Moolakadan Subrahmanian
> <dibin.moolakadan.subrahmanian@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_psr.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index f3476118b8d0..dcf33359dc9c 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1708,6 +1708,7 @@ static void psr2_dc3co_disable_locked(struct intel_dp
> *intel_dp)
> if (intel_dp->psr.dc3co_eligible) {
> intel_dp->psr.dc3co_eligible = false;
> intel_display_power_set_target_dc_state(display,
> DC_STATE_EN_UPTO_DC6);
> + psr2_program_idle_frames(intel_dp,
> psr_compute_idle_frames(intel_dp));
> }
> }
>
> --
> 2.43.0