From: "Shankar, Uma" <uma.shankar@intel.com>
To: Dibin Moolakadan Subrahmanian
<dibin.moolakadan.subrahmanian@intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"intel-xe@lists.freedesktop.org" <intel-xe@lists.freedesktop.org>
Cc: "Manna, Animesh" <animesh.manna@intel.com>,
"Kurmi, Suresh Kumar" <suresh.kumar.kurmi@intel.com>
Subject: RE: [PATCH v2 09/13] drm/i915/display: PSR2: Set idle_frames to 0 for DC3CO
Date: Mon, 27 Apr 2026 03:13:13 +0000 [thread overview]
Message-ID: <DM4PR11MB6360EB028A27F3B6533F4065F4362@DM4PR11MB6360.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20260422162622.1869831-10-dibin.moolakadan.subrahmanian@intel.com>
> -----Original Message-----
> From: Dibin Moolakadan Subrahmanian
> <dibin.moolakadan.subrahmanian@intel.com>
> Sent: Wednesday, April 22, 2026 9:56 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 v2 09/13] drm/i915/display: PSR2: Set idle_frames to 0 for
> DC3CO
>
> Force idle_frames to 0 when DC3CO is eligible.
>
> Changes in v2:
> - Extend existing Wa_16025596647 condition
> instead of adding a new if block (Uma Shankar)
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
> BSpec: 75253
> Signed-off-by: Dibin Moolakadan Subrahmanian
> <dibin.moolakadan.subrahmanian@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_psr.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 2e0478e3d560..ff9ce7d2a5aa 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1069,10 +1069,11 @@ static void hsw_activate_psr2(struct intel_dp
> *intel_dp)
> u32 psr_val = 0;
> u8 idle_frames;
>
> - /* Wa_16025596647 */
> - if ((DISPLAY_VER(display) == 20 ||
> - IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
> &&
> - is_dc5_dc6_blocked(intel_dp) && intel_dp->psr.pkg_c_latency_used)
> + /* DC3CO / Wa_16025596647 */
> + if (intel_dp->psr.dc3co_eligible ||
> + ((DISPLAY_VER(display) == 20 ||
> + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
> &&
> + is_dc5_dc6_blocked(intel_dp) && intel_dp->psr.pkg_c_latency_used))
> idle_frames = 0;
> else
> idle_frames = psr_compute_idle_frames(intel_dp);
> --
> 2.43.0
next prev parent reply other threads:[~2026-04-27 3:13 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-22 16:26 [PATCH v2 00/13] drm/i915/display: Add DC3CO support Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 01/13] drm/i915/display: Remove TGL " Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 02/13] drm/i915/display: Switch DC3Co enable from standalone bit to DC level encoding Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 03/13] drm/i915/display: Use FIELD_PREP() for DC state enable bits Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 04/13] drm/i915/display: Add DC3CO DC_STATE enable/disable support Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 05/13] drm/i915/display: Add DC3CO support check and validate target DC state Dibin Moolakadan Subrahmanian
2026-04-29 5:13 ` Manna, Animesh
2026-04-29 7:31 ` Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 06/13] drm/i915/display: Add HAS_DC3CO() macro Dibin Moolakadan Subrahmanian
2026-04-27 3:00 ` Shankar, Uma
2026-04-22 16:26 ` [PATCH v2 07/13] drm/i915/display: Add DC3CO eligibility computation Dibin Moolakadan Subrahmanian
2026-04-27 3:10 ` Shankar, Uma
2026-04-27 6:06 ` Dibin Moolakadan Subrahmanian
2026-04-29 5:42 ` Manna, Animesh
2026-04-29 7:05 ` Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 08/13] drm/i915/display: Store DC3CO eligibility in PSR state Dibin Moolakadan Subrahmanian
2026-04-27 3:11 ` Shankar, Uma
2026-04-22 16:26 ` [PATCH v2 09/13] drm/i915/display: PSR2: Set idle_frames to 0 for DC3CO Dibin Moolakadan Subrahmanian
2026-04-27 3:13 ` Shankar, Uma [this message]
2026-04-22 16:26 ` [PATCH v2 10/13] drm/i915/display: Enable DC3CO idle protocol in ALPM Dibin Moolakadan Subrahmanian
2026-04-27 3:14 ` Shankar, Uma
2026-04-22 16:26 ` [PATCH v2 11/13] drm/i915/display: PSR Add delayed work to exit DC3CO Dibin Moolakadan Subrahmanian
2026-04-27 3:15 ` Shankar, Uma
2026-04-22 16:26 ` [PATCH v2 12/13] drm/i915/display: Add helper to enable DC counter Dibin Moolakadan Subrahmanian
2026-04-22 16:26 ` [PATCH v2 13/13] drm/i915/display: Add DC3CO count and residency in dmc debugfs Dibin Moolakadan Subrahmanian
2026-04-22 21:27 ` ✓ CI.KUnit: success for drm/i915/display: Add DC3CO support (rev2) Patchwork
2026-04-22 22:50 ` ✓ Xe.CI.BAT: " Patchwork
2026-04-23 6:15 ` ✗ Xe.CI.FULL: failure " Patchwork
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