From patchwork Mon May 8 12:47:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13234498 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 4F077C7EE26 for ; Mon, 8 May 2023 12:52:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 63EA210E282; Mon, 8 May 2023 12:52:01 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id A648110E281 for ; Mon, 8 May 2023 12:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683550318; x=1715086318; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iAadFXnkWqcQNACvR6t+jtKxjs0cQRsVzqc4Lxvyz2A=; b=E1ygNn0IsVHAruQT+G2jvbnZ4p+tjV792wnD34g6btFcyFJaBFl915hv B/+qYhTidC5WH583pZ54PQ0QJ9EcUNX/H7z73YkaypAzJ13zIEWiLW4rK pOCwioUN+0HlJEU1GDsqbmgpgW8/JJ8zDjX6HtGbx09vAMScOeF6v7ZR6 ID7+5QYmpD6S/wxmQ+uc3Kd7LYQVhAzxEf+UgfDZddk9K+4i6mk8vrUjp iDAEinf2P544WeAOvEFe1U2lsNzKIr7XL7fQDmBrUyvGAdG+igtMdAJdu HUFaBJ3TiwEc3hc14ux4OmExG/sbpVAG/xChCAacd8FU37g3TjlK5Jrce Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10703"; a="329994807" X-IronPort-AV: E=Sophos;i="5.99,259,1677571200"; d="scan'208";a="329994807" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2023 05:51:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10703"; a="842675320" X-IronPort-AV: E=Sophos;i="5.99,259,1677571200"; d="scan'208";a="842675320" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2023 05:51:56 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Mon, 8 May 2023 18:17:11 +0530 Message-Id: <20230508124715.2242478-3-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508124715.2242478-1-ankit.k.nautiyal@intel.com> References: <20230508124715.2242478-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/6] drm/i915/dp_mst: Use output_format to get the final link bpp 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The final link bpp used to calculate the m_n values depend on the output_format. Though the output_format is set to RGB for MST case and the link bpp will be same as the pipe bpp, for the sake of semantics, lets calculate the m_n values with the link bpp, instead of pipe_bpp. Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- drivers/gpu/drm/i915/display/intel_dp.h | 1 + drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 ++++- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 263c30948117..67d09c49de6f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -946,7 +946,7 @@ int intel_dp_min_bpp(enum intel_output_format output_format) return 8 * 3; } -static int intel_dp_output_bpp(enum intel_output_format output_format, int bpp) +int intel_dp_output_bpp(enum intel_output_format output_format, int bpp) { /* * bpp value was assumed to RGB format. And YCbCr 4:2:0 output diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index db86c2b71c1f..856172bfa13e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -140,5 +140,6 @@ void intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp, void intel_dp_phy_test(struct intel_encoder *encoder); void intel_dp_wait_source_oui(struct intel_dp *intel_dp); +int intel_dp_output_bpp(enum intel_output_format output_format, int bpp); #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 ee28bb89bffe..2c2d258a3a77 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -155,6 +155,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; int slots = -EINVAL; + int link_bpp; slots = intel_dp_mst_find_vcpi_slots_for_bpp(encoder, crtc_state, limits->max_bpp, limits->min_bpp, limits, @@ -163,7 +164,9 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, if (slots < 0) return slots; - intel_link_compute_m_n(crtc_state->pipe_bpp, + link_bpp = intel_dp_output_bpp(crtc_state->output_format, crtc_state->pipe_bpp); + + intel_link_compute_m_n(link_bpp, crtc_state->lane_count, adjusted_mode->crtc_clock, crtc_state->port_clock,