From patchwork Mon Sep 14 05:56:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Karthik B S X-Patchwork-Id: 11772933 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2D9C14F6 for ; Mon, 14 Sep 2020 06:23:25 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D359C208DB for ; Mon, 14 Sep 2020 06:23:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D359C208DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7B77D6E19C; Mon, 14 Sep 2020 06:23:24 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 595F36E194; Mon, 14 Sep 2020 06:23:22 +0000 (UTC) IronPort-SDR: Zag81CbZ7D+26VDVq4Yq2eARCEa9vREqZehrnxebzv6klRNoBM7EjreDRQEkiYT5tXoMegqgAY hhAoSLn510tg== X-IronPort-AV: E=McAfee;i="6000,8403,9743"; a="146723829" X-IronPort-AV: E=Sophos;i="5.76,425,1592895600"; d="scan'208";a="146723829" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Sep 2020 23:23:21 -0700 IronPort-SDR: RryNuodW25CZx5sSVPafwfA5UVWFO6sFdm4uaEGJNVljLCrqVd/PYMGHX7ZhFLtEJyp3lr3wW6 atd8eG2YgUTA== X-IronPort-AV: E=Sophos;i="5.76,425,1592895600"; d="scan'208";a="287536660" Received: from karthik-2012-client-platform.iind.intel.com ([10.223.74.217]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA; 13 Sep 2020 23:23:17 -0700 From: Karthik B S To: intel-gfx@lists.freedesktop.org Subject: [PATCH v8 4/8] drm/i915: Do not call drm_crtc_arm_vblank_event in async flips Date: Mon, 14 Sep 2020 11:26:29 +0530 Message-Id: <20200914055633.21109-5-karthik.b.s@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200914055633.21109-1-karthik.b.s@intel.com> References: <20200914055633.21109-1-karthik.b.s@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: paulo.r.zanoni@intel.com, michel@daenzer.net, Karthik B S , dri-devel@lists.freedesktop.org, vandita.kulkarni@intel.com, uma.shankar@intel.com, daniel.vetter@intel.com, nicholas.kazlauskas@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since the flip done event will be sent in the flip_done_handler, no need to add the event to the list and delay it for later. v2: -Moved the async check above vblank_get as it was causing issues for PSR. v3: -No need to wait for vblank to pass, as this wait was causing a 16ms delay once every few flips. v4: -Rebased. v5: -Rebased. v6: -Rebased. v7: -No need of irq disable if we are not doing vblank evade. (Ville) v8: -Rebased. Signed-off-by: Karthik B S Signed-off-by: Vandita Kulkarni Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_sprite.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 5ac0dbf0e03d..f0c89418d2e1 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -93,6 +93,9 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state) DEFINE_WAIT(wait); u32 psr_status; + if (new_crtc_state->uapi.async_flip) + return; + vblank_start = adjusted_mode->crtc_vblank_start; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) vblank_start = DIV_ROUND_UP(vblank_start, 2); @@ -202,6 +205,9 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) trace_intel_pipe_update_end(crtc, end_vbl_count, scanline_end); + if (new_crtc_state->uapi.async_flip) + return; + /* We're still in the vblank-evade critical section, this can't race. * Would be slightly nice to just grab the vblank count and arm the * event outside of the critical section - the spinlock might spin for a