From patchwork Thu Sep 12 13:07:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13802123 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 7090CEE57F8 for ; Thu, 12 Sep 2024 13:06:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 11E6510EB6C; Thu, 12 Sep 2024 13:06:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="kmCeP4Dt"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2705D10EB6C for ; Thu, 12 Sep 2024 13:06:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726146376; x=1757682376; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8wHL9U3BkV67AcNPA4FvoAcqrD6YDhPy9e+iNQ08NzE=; b=kmCeP4Dtip8DPzGQg1Qt1Ir7dbKu43OcE6Exf5YRa+uPONO5kEH/OJH3 vrxfbGef6cWO3jTQ55fgiFd9Ra5wcTY/KYTMAMRLMmya5YdgD178fRzjh Gxeb6NmpXwIzRNz0IfIimsQp+dpXpeWM2nXC2u3WmPEDMK3uv6M88JvvD ckW/cHjccoLg2Bspn5sMMZYBJ7ae0hFqKQCKa+dE+Sc0cUFVH7PSfWLhM 3Rda97ZXNIdeQsbjtKg7ngYTWNq7GTfCesysk9T2iPL+sD3oV1h45i0ki Rl6RQQDhLJ0cXn4WjKrH+yaTbDXPnhR6kBqxCSduCv8BR6bLTAeDxgoCB Q==; X-CSE-ConnectionGUID: tXolNHbiRtec+Y0kBp/PDA== X-CSE-MsgGUID: 3ErEmIiQSyuJr6obibBmcw== X-IronPort-AV: E=McAfee;i="6700,10204,11192"; a="28886142" X-IronPort-AV: E=Sophos;i="6.10,223,1719903600"; d="scan'208";a="28886142" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2024 06:06:15 -0700 X-CSE-ConnectionGUID: D8mEjMi5Q9a+NiDCw2hLFg== X-CSE-MsgGUID: SONn/XakRHSEZqd0x+r+Dg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,223,1719903600"; d="scan'208";a="67528916" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2024 06:06:14 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: suraj.kandpal@intel.com, jani.saarinen@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 2/4] drm/i915/display: Use joined pipes in intel_dp_joiner_needs_dsc Date: Thu, 12 Sep 2024 18:37:58 +0530 Message-ID: <20240912130758.1315131-1-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240912114330.1244982-3-ankit.k.nautiyal@intel.com> References: <20240912114330.1244982-3-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 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" In preparation of ultrajoiner, use number of joined pipes in the intel_dp_joiner_needs_dsc helper, instead of joiner flag. v2: Use intel_crtc_num_joined_pipes. (Ville) Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 2 +- drivers/gpu/drm/i915/display/intel_display.h | 1 + drivers/gpu/drm/i915/display/intel_dp.c | 16 ++++++++++++---- drivers/gpu/drm/i915/display/intel_dp.h | 3 ++- drivers/gpu/drm/i915/display/intel_dp_mst.c | 10 ++++++++-- 5 files changed, 24 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1d10fc998566..fb359857c711 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -278,7 +278,7 @@ bool intel_crtc_is_joiner_primary(const struct intel_crtc_state *crtc_state) crtc->pipe == joiner_primary_pipe(crtc_state); } -static int intel_crtc_num_joined_pipes(const struct intel_crtc_state *crtc_state) +int intel_crtc_num_joined_pipes(const struct intel_crtc_state *crtc_state) { return hweight8(intel_crtc_joined_pipe_mask(crtc_state)); } diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 7ca26e5cb20e..08d2466f8ef2 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -587,5 +587,6 @@ bool assert_port_valid(struct drm_i915_private *i915, enum port port); }) bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915); +int intel_crtc_num_joined_pipes(const struct intel_crtc_state *crtc_state); #endif diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index cb0f6db5f8e7..4c6273ad3da7 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1318,6 +1318,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, u8 dsc_slice_count = 0; enum drm_mode_status status; bool dsc = false, joiner = false; + int num_joined_pipes; status = intel_cpu_transcoder_mode_valid(dev_priv, mode); if (status != MODE_OK) @@ -1343,6 +1344,9 @@ intel_dp_mode_valid(struct drm_connector *_connector, joiner = true; max_dotclk *= 2; } + + num_joined_pipes = joiner ? 2 : 1; + if (target_clock > max_dotclk) return MODE_CLOCK_HIGH; @@ -1399,7 +1403,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, dsc = dsc_max_compressed_bpp && dsc_slice_count; } - if (intel_dp_joiner_needs_dsc(dev_priv, joiner) && !dsc) + if (intel_dp_joiner_needs_dsc(dev_priv, num_joined_pipes) && !dsc) return MODE_CLOCK_HIGH; if (mode_rate > max_rate && !dsc) @@ -2513,14 +2517,15 @@ int intel_dp_config_required_rate(const struct intel_crtc_state *crtc_state) return intel_dp_link_required(adjusted_mode->crtc_clock, bpp); } -bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, bool use_joiner) +bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, + int num_joined_pipes) { /* * Pipe joiner needs compression up to display 12 due to bandwidth * limitation. DG2 onwards pipe joiner can be enabled without * compression. */ - return DISPLAY_VER(i915) < 13 && use_joiner; + return DISPLAY_VER(i915) < 13 && num_joined_pipes == 2; } static int @@ -2538,6 +2543,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct link_config_limits limits; bool dsc_needed, joiner_needs_dsc; + int num_joined_pipes; int ret = 0; if (pipe_config->fec_enable && @@ -2549,7 +2555,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, adjusted_mode->crtc_clock)) pipe_config->joiner_pipes = GENMASK(crtc->pipe + 1, crtc->pipe); - joiner_needs_dsc = intel_dp_joiner_needs_dsc(i915, pipe_config->joiner_pipes); + num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); + + joiner_needs_dsc = intel_dp_joiner_needs_dsc(i915, num_joined_pipes); dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || !intel_dp_compute_config_limits(intel_dp, pipe_config, diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 1b9aaddd8c35..3aef57dd463a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -123,7 +123,8 @@ int intel_dp_effective_data_rate(int pixel_clock, int bpp_x16, int bw_overhead); int intel_dp_max_link_data_rate(struct intel_dp *intel_dp, int max_dprx_rate, int max_dprx_lanes); -bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, bool use_joiner); +bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, + int num_joined_pipes); bool intel_dp_has_joiner(struct intel_dp *intel_dp); bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 15541932b809..8600ac55f766 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -568,6 +568,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, &pipe_config->hw.adjusted_mode; struct link_config_limits limits; bool dsc_needed, joiner_needs_dsc; + int num_joined_pipes; int ret = 0; if (pipe_config->fec_enable && @@ -582,11 +583,13 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, adjusted_mode->crtc_clock)) pipe_config->joiner_pipes = GENMASK(crtc->pipe + 1, crtc->pipe); + num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->has_pch_encoder = false; - joiner_needs_dsc = intel_dp_joiner_needs_dsc(dev_priv, pipe_config->joiner_pipes); + joiner_needs_dsc = intel_dp_joiner_needs_dsc(dev_priv, num_joined_pipes); dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || !intel_dp_mst_compute_config_limits(intel_dp, @@ -1426,6 +1429,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, u16 dsc_max_compressed_bpp = 0; u8 dsc_slice_count = 0; int target_clock = mode->clock; + int num_joined_pipes; if (drm_connector_is_unregistered(connector)) { *status = MODE_ERROR; @@ -1471,6 +1475,8 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, max_dotclk *= 2; } + num_joined_pipes = joiner ? 2 : 1; + ret = drm_modeset_lock(&mgr->base.lock, ctx); if (ret) return ret; @@ -1508,7 +1514,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, dsc = dsc_max_compressed_bpp && dsc_slice_count; } - if (intel_dp_joiner_needs_dsc(dev_priv, joiner) && !dsc) { + if (intel_dp_joiner_needs_dsc(dev_priv, num_joined_pipes) && !dsc) { *status = MODE_CLOCK_HIGH; return 0; }