From patchwork Thu Feb 13 06:48:02 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13972863 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 13E2AC021AA for ; Thu, 13 Feb 2025 06:48:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AC2AE10EA08; Thu, 13 Feb 2025 06:48:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="YfLnutxP"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id BEA6A10EA17; Thu, 13 Feb 2025 06:48:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739429316; x=1770965316; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KB7rLDkiTQHzAJDSYoG15l4TlWyHES6rvmfxDHAEoPQ=; b=YfLnutxPvgKjDM8lbyRw7ub/04bf80d7WAdkz779vKfH/NKhBIzw6/yG nXqVC8dvjreKygcXjeMDVRotGsq7A9Br9fSTIBBwDB0FhJ4KfOzGXCBRZ hHvKC1HE+ZfblxIfSOh4Dy/7xo9Y5Id5LAwRmjNPVvd9yJsrbldU2d3hz WN6MBpzSZblxnWkRIoxQqFJTK9EUUnE9jToO+uiAxuKX3BbNCSRY9ci9t Tm/SNOza26GJ+TLSQiYRt+62H63LuBGuiXUc94G4w3yQ0+LHahAe81zI7 Nzialt61YGhjjwb4GVJ0l0+eSO4op9sdas+bWnGJcYn5qNa01OAty3DgA A==; X-CSE-ConnectionGUID: StnxW+fqSaahmT2KLmtq+A== X-CSE-MsgGUID: eNS426cOSxumzMjkaHoXjw== X-IronPort-AV: E=McAfee;i="6700,10204,11343"; a="50764137" X-IronPort-AV: E=Sophos;i="6.13,282,1732608000"; d="scan'208";a="50764137" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2025 22:48:35 -0800 X-CSE-ConnectionGUID: pfpgwZpaTqm7vyYu+iUd9A== X-CSE-MsgGUID: JW4gjDnyTb2BBVVydqEe/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="118237305" Received: from ksztyber-mobl2.ger.corp.intel.com (HELO jhogande-mobl1..) ([10.245.244.234]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2025 22:48:33 -0800 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: =?utf-8?q?Jouni_H=C3=B6gander?= , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= Subject: [PATCH v8 11/13] drm/i915/psr: Add function for triggering "Frame Change" event Date: Thu, 13 Feb 2025 08:48:02 +0200 Message-ID: <20250213064804.2077127-12-jouni.hogander@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250213064804.2077127-1-jouni.hogander@intel.com> References: <20250213064804.2077127-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add new function to trigger "Frame Change" event for ensuring we are waking up before vblank evasion. v2: dsb as a first parameter Signed-off-by: Jouni Högander Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_psr.c | 22 ++++++++++++++++++++++ drivers/gpu/drm/i915/display/intel_psr.h | 3 +++ 2 files changed, 25 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index c805ff82e700..427a7d1df1f9 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -44,6 +44,7 @@ #include "intel_psr.h" #include "intel_psr_regs.h" #include "intel_snps_phy.h" +#include "intel_vblank.h" #include "skl_universal_plane.h" /** @@ -2289,6 +2290,27 @@ bool intel_psr_needs_block_dc_vblank(const struct intel_crtc_state *crtc_state) return false; } +/** + * intel_psr_trigger_frame_change_event - Trigger "Frame Change" event + * @dsb: DSB context + * @state: the atomic state + * @crtc: the CRTC + * + * Generate PSR "Frame Change" event. + */ +void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb, + struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + const struct intel_crtc_state *crtc_state = + intel_pre_commit_crtc_state(state, crtc); + struct intel_display *display = to_intel_display(crtc); + + if (crtc_state->has_psr) + intel_de_write_dsb(display, dsb, + CURSURFLIVE(display, crtc->pipe), 0); +} + static u32 man_trk_ctl_enable_bit_get(struct intel_display *display) { struct drm_i915_private *dev_priv = to_i915(display->drm); diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h index e6eba6633a92..a43a374cff55 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.h +++ b/drivers/gpu/drm/i915/display/intel_psr.h @@ -64,6 +64,9 @@ bool intel_psr_link_ok(struct intel_dp *intel_dp); void intel_psr_lock(const struct intel_crtc_state *crtc_state); void intel_psr_unlock(const struct intel_crtc_state *crtc_state); +void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb, + struct intel_atomic_state *state, + struct intel_crtc *crtc); void intel_psr_connector_debugfs_add(struct intel_connector *connector); void intel_psr_debugfs_register(struct intel_display *display);