From patchwork Fri Jul 6 21:13:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tarun Vyas X-Patchwork-Id: 10512543 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EA9B06024A for ; Fri, 6 Jul 2018 21:13:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D3B5C287E9 for ; Fri, 6 Jul 2018 21:13:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C596F287EF; Fri, 6 Jul 2018 21:13:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AA576287E9 for ; Fri, 6 Jul 2018 21:13:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F15306F178; Fri, 6 Jul 2018 21:13:30 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id A19AB6F178 for ; Fri, 6 Jul 2018 21:13:29 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jul 2018 14:13:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,318,1526367600"; d="scan'208";a="64819526" Received: from otc-chromeosbuild-5.jf.intel.com ([10.54.30.37]) by fmsmga002.fm.intel.com with ESMTP; 06 Jul 2018 14:13:26 -0700 From: Tarun Vyas To: intel-gfx@lists.freedesktop.org Date: Fri, 6 Jul 2018 14:13:18 -0700 Message-Id: <20180706211318.28472-1-tarun.vyas@intel.com> X-Mailer: git-send-email 2.13.5 Subject: [Intel-gfx] [PATCH] drm/i915: Use crtc_state->has_psr instead of CAN_PSR for pipe update X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dhinakaran.pandiyan@intel.com, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP In commit "drm/i915: Wait for PSR exit before checking for vblank evasion", the idea was to limit the PSR IDLE checks when PSR is actually supported. While CAN_PSR does do that check, it doesn't applies on a per-crtc basis. crtc_state->has_psr is a more granular check that avoids everything but pipe A, for the PSR IDLE check. With this, the PSR IDLE check should be a *no-op* for all but pipe A which is what was intended originally. Fixes: a608987970b9 ("drm/i915: Wait for PSR exit before checking for vblank evasion") Signed-off-by: Tarun Vyas Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_sprite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 4990d6e84ddf..c27720847672 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -118,7 +118,7 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state) * VBL interrupts will start the PSR exit and prevent a PSR * re-entry as well. */ - if (CAN_PSR(dev_priv) && intel_psr_wait_for_idle(dev_priv)) + if ((new_crtc_state->has_psr) && intel_psr_wait_for_idle(dev_priv)) DRM_ERROR("PSR idle timed out, atomic update may fail\n"); local_irq_disable();