From patchwork Wed Oct 25 12:13:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13436060 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 DF442C0032E for ; Wed, 25 Oct 2023 12:19:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5607110E5B2; Wed, 25 Oct 2023 12:19:45 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id D347D10E5B2 for ; Wed, 25 Oct 2023 12:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698236383; x=1729772383; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=HlHRc7IYf3v8BrRXNqaX1C91t96i8UaxvEZrGwdspXM=; b=G2JHVEDYhWa4FkRIe5zLeI43SD57C7QdEjBxKcF67T/7a5pvLbeG/TNR NYWfCeIw43MATjQjcrD5tVmm2Il4WdJqW2Hhdm1ricarUERM/0SLhRqLH XcyoHfbCSOY3JpaM4pw5n56NEIVzYtTN0GWvzvAb42NlOZVJkP/XiCaHw oHJvxr7ONmx1s2X/e+qbYzRqTgl/vp+Pg3WLJBuWscdU0/ZOoQ7A/jgjG KTSPD8celOxqwd2XxuSJxBCOX5WDRxUBH7Pvkh7CbDUtCkex0TvLBrD6t 3kScH3k/FU3U6xzFULtzuAS6iXilVjCLbjPtQCIaxixbztPdlaK4jp+65 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="451520507" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="451520507" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="882435983" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="882435983" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:21 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Wed, 25 Oct 2023 17:43:15 +0530 Message-Id: <20231025121318.2732051-2-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> References: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/4] drm/i915/dp: Simplify checks for helper intel_dp_dsc_max_src_input_bpc 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: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Return 0 if platform doesn't support DSC, and return 12 for Display ver 12+. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 1891c0cc187d..d9e1d15a386e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1569,13 +1569,14 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, static u8 intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915) { + if (!HAS_DSC(i915)) + return 0; + /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ - if (DISPLAY_VER(i915) >= 12) - return 12; if (DISPLAY_VER(i915) == 11) return 10; - return 0; + return 12; } int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, From patchwork Wed Oct 25 12:13:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13436061 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 43C4BC0032E for ; Wed, 25 Oct 2023 12:19:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BB29110E640; Wed, 25 Oct 2023 12:19:48 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 11FE810E5C7 for ; Wed, 25 Oct 2023 12:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698236387; x=1729772387; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+GhTTJx8t7YsWzE0rwosfM9b/cPtPyqLqUt3qYTlHF0=; b=VanCgzPeTz6UidqBbO85g3jeBRRpRek3b5Vi1L3vtt/CEnoXEA5NuSSW gaoxeXrqFRJVm4u1xmywXr1H7TAWn6HrMRGFH0oS0E54PHZyU8/fwLhYq MptUcOZjua0AQ48IR8v24F1XL+BV+8IfyVcxhkZ9bWQj350u3g3+oIVra +UkVeKrYuNJjAsoVLvzYA8aQHM1fPzNFMpl8eJA4FsEuAF6QpMjbWfYg1 i/UxheUgI6eokb6Bhxp/moN1MM9ebvvx6oi7AUriuE5CV/F414JeOyUs0 E+7prWWoxthMN0LISq7NZ08lmNgCwNf49tClpFwI4R0u4AKmBNl6TB1gH A==; X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="451520516" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="451520516" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="882435989" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="882435989" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:23 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Wed, 25 Oct 2023 17:43:16 +0530 Message-Id: <20231025121318.2732051-3-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> References: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/4] drm/i915/dp: Fix the max DSC bpc supported by source 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: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use correct helper for getting max DSC bpc supported by the source. Fixes: 1c56e9a39833 ("drm/i915/dp: Get optimal link config to have best compressed bpp") Cc: Ankit Nautiyal Cc: Stanislav Lisovskiy Cc: Jani Nikula Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d9e1d15a386e..5adab761f2e8 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2022,7 +2022,7 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, } } - dsc_max_bpc = intel_dp_dsc_min_src_input_bpc(i915); + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(i915); if (!dsc_max_bpc) return -EINVAL; From patchwork Wed Oct 25 12:13:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13436062 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 3A086C0032E for ; Wed, 25 Oct 2023 12:19:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B9CCA10E5AF; Wed, 25 Oct 2023 12:19:51 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9FB8E10E5C7 for ; Wed, 25 Oct 2023 12:19:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698236388; x=1729772388; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ppjlOPE//91YCz7C3ZQbRi1JJ+4U1j72zYFJYE6XX4I=; b=OFxJSSDWn3TuJPdWaQxrpEoV8hxYzcTRjET3OvuSw81l9L07iqkfa/uK mfU5Vaq2z0tZZiXNs6/WmFJtt9YgstwczMqkLtPM3IY1XKx5qZmtiDaqL rHPeU7SEcJNhJXMRAjtj8otEGMp3oxFkA7rpJRfr4Ve8Ux0rVpiWpTMIf x5hvvEIzng9FhhfePP/swFJsUp4tEYBY7Weh6FEqdqcVE6+CvU8rXj6f+ 8mWY6hZDFLFtxUuOqiU0/eoeoQfNvhT3VBZ7mXwxihN4MszjY4z67HwNU KSeDBucSMqI26OSCg3vqBqkJe3CY4KawMCoU6fTObKvowC9vq2q9PSYxo A==; X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="451520528" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="451520528" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="882435992" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="882435992" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:26 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Wed, 25 Oct 2023 17:43:17 +0530 Message-Id: <20231025121318.2732051-4-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> References: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/4] drm/i915/dp_mst: Use helpers to get dsc min/max input bpc 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: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use helpers for source min/max input bpc with DSC. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 2 -- drivers/gpu/drm/i915/display/intel_dp.h | 2 ++ drivers/gpu/drm/i915/display/intel_dp_mst.c | 11 ++++------- 3 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5adab761f2e8..abc718f1a878 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1566,7 +1566,6 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, return -EINVAL; } -static u8 intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915) { if (!HAS_DSC(i915)) @@ -1946,7 +1945,6 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, dsc_max_bpp, dsc_min_bpp, pipe_bpp, timeslots); } -static u8 intel_dp_dsc_min_src_input_bpc(struct drm_i915_private *i915) { /* Min DSC Input BPC for ICL+ is 8 */ diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 484aea215a25..53e88c00900c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -164,5 +164,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, struct link_config_limits *limits); void intel_dp_get_dsc_sink_cap(u8 dpcd_rev, struct intel_connector *connector); +u8 intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915); +u8 intel_dp_dsc_min_src_input_bpc(struct drm_i915_private *i915); #endif /* __INTEL_DP_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 7b4628f4f124..d32e5258e1ec 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -194,18 +194,15 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder, int i, num_bpc; u8 dsc_bpc[3] = {}; int min_bpp, max_bpp, sink_min_bpp, sink_max_bpp; - u8 dsc_max_bpc; + u8 dsc_max_bpc, dsc_min_bpc; bool need_timeslot_recalc = false; u32 last_compressed_bpp; - /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ - if (DISPLAY_VER(i915) >= 12) - dsc_max_bpc = min_t(u8, 12, conn_state->max_requested_bpc); - else - dsc_max_bpc = min_t(u8, 10, conn_state->max_requested_bpc); + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(i915); + dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(i915); max_bpp = min_t(u8, dsc_max_bpc * 3, limits->pipe.max_bpp); - min_bpp = limits->pipe.min_bpp; + min_bpp = max_t(u8, dsc_min_bpc * 3, limits->pipe.min_bpp); num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector->dp.dsc_dpcd, dsc_bpc); From patchwork Wed Oct 25 12:13:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13436063 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 54EA9C25B47 for ; Wed, 25 Oct 2023 12:19:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A987410E5C7; 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25 Oct 2023 05:19:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10873"; a="882435996" X-IronPort-AV: E=Sophos;i="6.03,250,1694761200"; d="scan'208";a="882435996" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 05:19:28 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Wed, 25 Oct 2023 17:43:18 +0530 Message-Id: <20231025121318.2732051-5-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> References: <20231025121318.2732051-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/4] drm/i915/dp: Limit max_requested_bpc based on src DSC bpc limits 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: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" At the moment the max requested bpc is limited to 6 to 10/12. For platforms that support DSC, min and max src bpc with DSC are different. Account for DSC bpc limitations, when setting min and max value for max_requested_bpc property. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index abc718f1a878..1935b9014b12 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5907,8 +5907,17 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect intel_attach_broadcast_rgb_property(connector); if (HAS_GMCH(dev_priv)) drm_connector_attach_max_bpc_property(connector, 6, 10); - else if (DISPLAY_VER(dev_priv) >= 5) - drm_connector_attach_max_bpc_property(connector, 6, 12); + else if (DISPLAY_VER(dev_priv) >= 5) { + int min_bpc = 6, max_bpc = 12; + struct intel_connector *intel_connector = to_intel_connector(connector); + + if (HAS_DSC(dev_priv) && drm_dp_sink_supports_dsc(intel_connector->dp.dsc_dpcd)) { + min_bpc = intel_dp_dsc_min_src_input_bpc(dev_priv); + max_bpc = intel_dp_dsc_max_src_input_bpc(dev_priv); + } + + drm_connector_attach_max_bpc_property(connector, min_bpc, max_bpc); + } /* Register HDMI colorspace for case of lspcon */ if (intel_bios_encoder_is_lspcon(dp_to_dig_port(intel_dp)->base.devdata)) {