From patchwork Tue Nov 20 18:37:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 10691125 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 73C0E15A7 for ; Tue, 20 Nov 2018 18:35:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 639B32AC58 for ; Tue, 20 Nov 2018 18:35:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 577DD2AC5A; Tue, 20 Nov 2018 18:35:55 +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=unavailable 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 1371A2AC58 for ; Tue, 20 Nov 2018 18:35:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AEE976E445; Tue, 20 Nov 2018 18:35:22 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id D48D96E41B; Tue, 20 Nov 2018 18:34:59 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Nov 2018 10:34:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,258,1539673200"; d="scan'208";a="251262971" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.151]) by orsmga004.jf.intel.com with ESMTP; 20 Nov 2018 10:34:58 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v10 09/23] drm/i915/dp: Do not enable PSR2 if DSC is enabled Date: Tue, 20 Nov 2018 10:37:22 -0800 Message-Id: <20181120183736.28054-10-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181120183736.28054-1-manasi.d.navare@intel.com> References: <20181120183736.28054-1-manasi.d.navare@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Manasi Navare , Jani Nikula , Rodrigo Vivi Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP If a eDP panel supports both PSR2 and VDSC, our HW cannot support both at a time. Give priority to PSR2 if a requested resolution can be supported without compression else enable VDSC and keep PSR2 disabled. v4: Fix the unrealted stuff removed during rebase (Ville) v3: * Rebase v2: * Add warning for DSC and PSR2 enabled together (DK) Cc: Rodrigo Vivi Cc: Jani Nikula Cc: Ville Syrjälä Signed-off-by: Manasi Navare Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_psr.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 48df16a02fac..c42670b20326 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -75,6 +75,10 @@ static bool intel_psr2_enabled(struct drm_i915_private *dev_priv, if (i915_modparams.enable_psr == -1) return false; + /* Cannot enable DSC and PSR2 simultaneously */ + WARN_ON(crtc_state->dsc_params.compression_enable && + crtc_state->has_psr2); + switch (dev_priv->psr.debug & I915_PSR_DEBUG_MODE_MASK) { case I915_PSR_DEBUG_FORCE_PSR1: return false; @@ -463,6 +467,16 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, if (!dev_priv->psr.sink_psr2_support) return false; + /* + * DSC and PSR2 cannot be enabled simultaneously. If a requested + * resolution requires DSC to be enabled, priority is given to DSC + * over PSR2. + */ + if (crtc_state->dsc_params.compression_enable) { + DRM_DEBUG_KMS("PSR2 cannot be enabled since DSC is enabled\n"); + return false; + } + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) { psr_max_h = 4096; psr_max_v = 2304;