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 6A90FC25B67 for ; Fri, 27 Oct 2023 12:26:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B363710E995; Fri, 27 Oct 2023 12:26:23 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7960010E996 for ; Fri, 27 Oct 2023 12:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698409580; x=1729945580; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dHBgmcNF7Jm07Ir9DmYKGgpqCFH7fsMfvzIMLSVRXk4=; b=DhD8Q41m+YlaTXtNAqqtK8fn4PCuWfTDVUVuiWH/RRI5wsNefP0f7Kqf J+dIkiTntIMzqRCVbBtOPB0CITiF6D1lISg+mRxX716GcgqvYENnKPenP W+TI3fpYSq1mQZzqJK0+YIZh8xxDbuMkoK9taYWComkJwaFA+Bdj1AZE4 PASODgue4w5n2mE0k3KLbsG6qG8EGlk6DK5IKV2aZkYuB0V70Ho7C4WWR BKe3lM+oSo5lT5lsB0zE/Mf0lNlgJlJdDozSIB17uO+/aUhuWMwaeSxGK eP/3iuGQ8nLNAQ4Qlll6wnVva373OdzAXxJmpxTvqOFmNGO5qRAKtBGVF g==; X-IronPort-AV: E=McAfee;i="6600,9927,10875"; a="367974887" X-IronPort-AV: E=Sophos;i="6.03,256,1694761200"; d="scan'208";a="367974887" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2023 05:26:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10875"; a="876323310" X-IronPort-AV: E=Sophos;i="6.03,256,1694761200"; d="scan'208";a="876323310" Received: from unknown (HELO intel.com) ([10.237.72.65]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2023 05:26:19 -0700 Date: Fri, 27 Oct 2023 15:26:15 +0300 From: "Lisovskiy, Stanislav" To: Imre Deak Message-ID: References: <20231024010925.3949910-24-imre.deak@intel.com> <20231024102219.4035939-4-imre.deak@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231024102219.4035939-4-imre.deak@intel.com> Subject: Re: [Intel-gfx] [PATCH v2 23/29] drm/i915/dp_mst: Enable DSC passthrough X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, Oct 24, 2023 at 01:22:19PM +0300, Imre Deak wrote: > Enable passing through DSC streams to the sink in last branch devices. > > v2: > - Fix the DPCD register address while setting/clearing the passthrough > flag. > > Signed-off-by: Imre Deak Reviewed-by: Stanislav Lisovskiy > --- > drivers/gpu/drm/i915/display/intel_dp.c | 26 ++++++++++++++++++++++++- > 1 file changed, 25 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index 0101e17515b33..51d6ab170a894 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -2968,6 +2968,24 @@ intel_dp_sink_set_dsc_decompression(struct intel_connector *connector, > str_enable_disable(enable)); > } > > +static void > +intel_dp_sink_set_dsc_passthrough(const struct intel_connector *connector, > + bool enable) > +{ > + struct drm_i915_private *i915 = to_i915(connector->base.dev); > + struct drm_dp_aux *aux = connector->port ? > + connector->port->passthrough_aux : NULL; > + > + if (!aux) > + return; > + > + if (write_dsc_decompression_flag(aux, > + DP_DSC_PASSTHROUGH_EN, enable) < 0) > + drm_dbg_kms(&i915->drm, > + "Failed to %s sink compression passthrough state\n", > + str_enable_disable(enable)); > +} > + > void intel_dp_sink_set_decompression_state(struct intel_connector *connector, > const struct intel_crtc_state *crtc_state, > bool enable) > @@ -2980,7 +2998,13 @@ void intel_dp_sink_set_decompression_state(struct intel_connector *connector, > if (drm_WARN_ON(&i915->drm, !connector->dp.dsc_decompression_aux)) > return; > > - intel_dp_sink_set_dsc_decompression(connector, enable); > + if (enable) { > + intel_dp_sink_set_dsc_passthrough(connector, true); > + intel_dp_sink_set_dsc_decompression(connector, true); > + } else { > + intel_dp_sink_set_dsc_decompression(connector, false); > + intel_dp_sink_set_dsc_passthrough(connector, false); > + } > } > > static void > -- > 2.39.2 >