From mboxrd@z Thu Jan 1 00:00:00 1970 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 D351EE6F082 for ; Tue, 23 Dec 2025 10:45:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6E2BA10E255; Tue, 23 Dec 2025 10:45:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="h3eQprXc"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 327E210E237; Tue, 23 Dec 2025 10:45:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766486743; x=1798022743; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2s2EXac30uPt9GQjjc9ty6qWUHeckav08gbJGyFgm0o=; b=h3eQprXcOK+QXlk9Q5NO8INTsHMk7zcJTvAf+C/p77dGDgqVSZNbZFJF UtwglFsGX6o6oRI3ojjlFvJ8+aG4Yer9Xm/ayNxzhQ1qm8yDMi36dhZbw qVC87NNp0hTPPSbxXvj4IF4nT+1VFYZkaq8T0khBg2+YCHgrp7GCUT3y/ Xj/e9+xpFk8M3VwrwQPTT5lLkG4EMONFsFGYo1iBteCkr4+dyv6yU6qEx PAPTnBNvzB7sXC9MZdy8gNlpwzCFDjkA0s2/e0k+fSYVWEZx8cFomsysT 1XnwBqxvpeLtfcvBPOqzb++VwK0mTg4+RSzOVklhLjQ5hBRSQ9cpj7seA g==; X-CSE-ConnectionGUID: TJpyfVbXT5iJBUxmNAF+2g== X-CSE-MsgGUID: K9rK0Nd8S1Cvw/BouIipow== X-IronPort-AV: E=McAfee;i="6800,10657,11650"; a="68090007" X-IronPort-AV: E=Sophos;i="6.21,170,1763452800"; d="scan'208";a="68090007" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Dec 2025 02:45:43 -0800 X-CSE-ConnectionGUID: 6LFrvBN5QqKt5+8OA54uAA== X-CSE-MsgGUID: g+FrTB1FStCbj/4P3iTw6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,170,1763452800"; d="scan'208";a="199734568" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by orviesa007.jf.intel.com with ESMTP; 23 Dec 2025 02:45:39 -0800 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, mitulkumar.ajitkumar.golani@intel.com, ankit.k.nautiyal@intel.com, ville.syrjala@linux.intel.com, uma.shankar@intel.com, jani.nikula@intel.com Subject: [PATCH v11 14/18] drm/i915/display: Wait for VRR PUSH status update Date: Tue, 23 Dec 2025 16:15:36 +0530 Message-ID: <20251223104542.2688548-15-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251223104542.2688548-1-mitulkumar.ajitkumar.golani@intel.com> References: <20251223104542.2688548-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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" After VRR Push is sent, need to wait till flipline decision boundary to get Push bit to get cleared. --v2: - Adjust delays to vrr vmin vblank delays. (Ankit) --v3: - Change intel_vrr_vmin_safe_window_end() so that intel_dsb_wait_for_delayed_vblank() uses correct delay. (Ankit) --v4: - Simplify intel_vrr_vmin_safe_window_end implementation. (Ankit) Signed-off-by: Mitul Golani Reviewed-by: Uma Shankar Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_vrr.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 68b39fe0f7bc..a4a198a28519 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -1095,10 +1095,21 @@ int intel_vrr_safe_window_start(const struct intel_crtc_state *crtc_state) return crtc_state->hw.adjusted_mode.crtc_vdisplay; } +static int +intel_vrr_dcb_vmin_vblank_start(const struct intel_crtc_state *crtc_state) +{ + return (intel_vrr_dcb_vmin_vblank_start_next(crtc_state) < 0) ? + intel_vrr_dcb_vmin_vblank_start_final(crtc_state) : + intel_vrr_dcb_vmin_vblank_start_next(crtc_state); +} + int intel_vrr_vmin_safe_window_end(const struct intel_crtc_state *crtc_state) { - return intel_vrr_vmin_vblank_start(crtc_state) - - crtc_state->set_context_latency; + int vmin_vblank_start = crtc_state->vrr.dc_balance.enable ? + intel_vrr_dcb_vmin_vblank_start(crtc_state) : + intel_vrr_vmin_vblank_start(crtc_state); + + return vmin_vblank_start - crtc_state->set_context_latency; } int intel_vrr_dcb_vmin_vblank_start_next(const struct intel_crtc_state *crtc_state) -- 2.48.1