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 74DC3CE8D6B for ; Mon, 17 Nov 2025 05:45:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2B08510E2D7; Mon, 17 Nov 2025 05:45:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="J1kA2Vzl"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id C141B10E2D2; Mon, 17 Nov 2025 05:44:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763358296; x=1794894296; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tnJtKsa3O1tWz5r5b53Au8nkmb4YiqAZpvW9H3O6ZxQ=; b=J1kA2Vzlt+Zc0WOFCF+XmfvJYHy9Ypu97HybGcMjdAC/8UvjJRrhCGEN jHCHKifSQdSx9ceBQt0ond4c5V43iTUXMcEMI1LEcfPy3pCOu+8TwPkdP CzIuiwWFythJI1wwe1UjolizHqJIyUJGMQznj6amGWtdbU96Q6UyH5QQi 4vAjWU/0sfdNgPgWNQxRfSwfxypdAdatpHwwCnzeerpSU6/4CEB2hb4Vk ZxUUxX3IFpz2FNX6ffgn0Rk1Zzi4a45PnWrQl2UAe4zgUsazWNY0cZBPM zKuB0FcqKRJ1PO7qrWws2O7MHcVsYPheRBj6aawbK49vXo0u8TwY0mEUi Q==; X-CSE-ConnectionGUID: qK9LwzmkToaMqm+DivnwOA== X-CSE-MsgGUID: fUK8W+s1SKafqQXOF4TIww== X-IronPort-AV: E=McAfee;i="6800,10657,11615"; a="65446056" X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="65446056" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2025 21:44:56 -0800 X-CSE-ConnectionGUID: SU9kRbBYS0axPU987SXL2Q== X-CSE-MsgGUID: uzPU3uHWRD6AX8J5LJ4/9g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="190016392" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmviesa007.fm.intel.com with ESMTP; 16 Nov 2025 21:44:54 -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 Subject: [PATCH v8 13/18] drm/i915/display: Wait for VRR PUSH status update Date: Mon, 17 Nov 2025 11:14:37 +0530 Message-ID: <20251117054442.4047665-14-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251117054442.4047665-1-mitulkumar.ajitkumar.golani@intel.com> References: <20251117054442.4047665-1-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) Signed-off-by: Mitul Golani --- drivers/gpu/drm/i915/display/intel_vrr.c | 30 ++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 7634d6a7ccaf..315d0e4ef43d 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -160,14 +160,40 @@ int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state) return crtc_state->vrr.vmax; } +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_vblank_start(const struct intel_crtc_state *crtc_state) { - return intel_vrr_vmin_vtotal(crtc_state) - crtc_state->vrr.guardband; + if (crtc_state->vrr.dc_balance.enable) { + return (intel_vrr_dcb_vmin_vblank_start(crtc_state) - + crtc_state->vrr.guardband); + } else { + return intel_vrr_vmin_vtotal(crtc_state) - crtc_state->vrr.guardband; + } +} + +static int +intel_vrr_dcb_vmax_vblank_start(const struct intel_crtc_state *crtc_state) +{ + return (intel_vrr_dcb_vmax_vblank_start_next(crtc_state) < 0) ? + intel_vrr_dcb_vmax_vblank_start_final(crtc_state) : + intel_vrr_dcb_vmax_vblank_start_next(crtc_state); } int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state) { - return intel_vrr_vmax_vtotal(crtc_state) - crtc_state->vrr.guardband; + if (crtc_state->vrr.dc_balance.enable) { + return (intel_vrr_dcb_vmax_vblank_start(crtc_state) - + crtc_state->vrr.guardband); + } else { + return intel_vrr_vmax_vtotal(crtc_state) - crtc_state->vrr.guardband; + } } static bool -- 2.48.1