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 CB0B4D116F5 for ; Tue, 2 Dec 2025 07:37:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 73B4C10E598; Tue, 2 Dec 2025 07:37:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ICkB55d3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id E973E10E595; Tue, 2 Dec 2025 07:37:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764661031; x=1796197031; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gV8DY2ukB2nKnMoGajwqI+sFtRbFPs5J5Adjjujp3f4=; b=ICkB55d3aU5OyWe7PQHSIotqEPgTUpH/vOqBep7miXxzqUJdLpvWXEOG rhZ4EFYpA9hW5/Ura2sY72dNlYgxIgCcJk4/dxVG65EjfZDdrL/WxYqSA sBghWwaeyzsZGsMIpYOltuWhNnqdKAugmneX0Fm08JRHCrqhbbOkFDw5T PXmb8vdSRNfOQkxYjiZ2MyicuyJ6BV3DqNB/GmZmV9BIChO2gJLfTY83F Zfqiq3OUKNCzlNwuVM2BXNgSWXpZ522wcdsKNGwcYKmKdr4nQG/bHTL19 4YzjNK4bw9zKy3Xaz5LAgpRFkVicb1C44KXLWWRYnlMdihnbnjugXbKQz A==; X-CSE-ConnectionGUID: ZsiFZSSJQ1S9KW281WNFXQ== X-CSE-MsgGUID: P+GG7qfnTC+7horg0tU5ng== X-IronPort-AV: E=McAfee;i="6800,10657,11630"; a="84219251" X-IronPort-AV: E=Sophos;i="6.20,242,1758610800"; d="scan'208";a="84219251" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2025 23:37:10 -0800 X-CSE-ConnectionGUID: 79NBXZJvQEyLEzBGbTnqgg== X-CSE-MsgGUID: GiDVYhlAQqawgtED1h4xaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,242,1758610800"; d="scan'208";a="198504865" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by orviesa003.jf.intel.com with ESMTP; 01 Dec 2025 23:37:09 -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 v10 13/17] drm/i915/display: Wait for VRR PUSH status update Date: Tue, 2 Dec 2025 13:06:48 +0530 Message-ID: <20251202073659.926838-14-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251202073659.926838-1-mitulkumar.ajitkumar.golani@intel.com> References: <20251202073659.926838-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 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 --- 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 3db61d1f0124..4c1470dcd3bb 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