From patchwork Mon Sep 16 10:28:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13805246 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 D571CC3ABCE for ; Mon, 16 Sep 2024 10:27:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7999310E341; Mon, 16 Sep 2024 10:27:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="CV8Rn8kz"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6502710E33D for ; Mon, 16 Sep 2024 10:26:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726482416; x=1758018416; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3VMMuGSqpXoyIAa3T0aO81w0D8IuED1MC8YHSBqONX0=; b=CV8Rn8kzNf/fmJ4DafSkdnXq3moLP9Fkh6qmg2i7sxqQid4JufeXs6LK mEte5AG8auNo2GOLvu5OGfN2GzNML18gFxVnvmCyFCJDP7J7sywqiP+WE TLc3oXYrVH/KsVphsBF0DYnm2mz92SWdb3jE0J1E3gTvx0nQimBRqRRGL yidzPuRDOL4QCdAWQXK6e8Tl5LGVF6tU574nfD2yOKS9al37pZz0zsoSc Q2NUWoEY2emGzguzoMJGgcrJi7AgEUBVU/vJ/6M8SXXJe6Pi3FlZ8F0dg hvh/HpIYJcJHgh8ZF5fAG876FeENeBOk4kzsabt/U/b7IxGZbvs19Ur20 Q==; X-CSE-ConnectionGUID: VLenj9z/RLyeQUaPfMjjFA== X-CSE-MsgGUID: tQBbIgl/SqKmpYNgKhS1Fg== X-IronPort-AV: E=McAfee;i="6700,10204,11196"; a="25428505" X-IronPort-AV: E=Sophos;i="6.10,233,1719903600"; d="scan'208";a="25428505" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2024 03:26:56 -0700 X-CSE-ConnectionGUID: q08nbk/XS1aFp6ISl7w1uw== X-CSE-MsgGUID: VRR2N2/nTba8p91ooA3MMA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,233,1719903600"; d="scan'208";a="99678266" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2024 03:26:55 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: suraj.kandpal@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 4/4] drm/i915/display: Use joined pipes in dsc helpers for slices, bpp Date: Mon, 16 Sep 2024 15:58:36 +0530 Message-ID: <20240916102836.2149012-5-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240916102836.2149012-1-ankit.k.nautiyal@intel.com> References: <20240916102836.2149012-1-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 dsc helpers to compute dsc slices and max compressed bpp, instead of using the joiner flag. v2: Adjust the formulae to use num of pipes as 1 (no joiner) or 2 (bigjoiner). (Ankit) Signed-off-by: Ankit Nautiyal Reviewed-by: Suraj Kandpal (v1) Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp.c | 24 +++++++++++---------- drivers/gpu/drm/i915/display/intel_dp.h | 4 ++-- drivers/gpu/drm/i915/display/intel_dp_mst.c | 8 ++++--- 3 files changed, 20 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 3157cfbe5555..944c388793be 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -868,14 +868,14 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915, u32 bpp, u32 p static u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner) + int num_joined_pipes) { u32 max_bpp_small_joiner_ram; /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / mode_hdisplay; - if (bigjoiner) { + if (num_joined_pipes == 2) { int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24; /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */ int ppc = 2; @@ -894,7 +894,7 @@ u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner, + int num_joined_pipes, enum intel_output_format output_format, u32 pipe_bpp, u32 timeslots) @@ -940,7 +940,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, intel_dp_mode_to_fec_clock(mode_clock)); joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, mode_clock, - mode_hdisplay, bigjoiner); + mode_hdisplay, num_joined_pipes); bits_per_pixel = min(bits_per_pixel, joiner_max_bpp); bits_per_pixel = intel_dp_dsc_nearest_valid_bpp(i915, bits_per_pixel, pipe_bpp); @@ -950,7 +950,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, int mode_clock, int mode_hdisplay, - bool bigjoiner) + int num_joined_pipes) { struct drm_i915_private *i915 = to_i915(connector->base.dev); u8 min_slice_count, i; @@ -984,14 +984,14 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, /* Find the closest match to the valid slice count values */ for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { - u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner; + u8 test_slice_count = valid_dsc_slicecount[i] * num_joined_pipes; if (test_slice_count > drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; /* big joiner needs small joiner to be enabled */ - if (bigjoiner && test_slice_count < 4) + if (num_joined_pipes == 2 && test_slice_count < 4) continue; if (min_slice_count <= test_slice_count) @@ -1390,14 +1390,14 @@ intel_dp_mode_valid(struct drm_connector *_connector, max_lanes, target_clock, mode->hdisplay, - joiner, + num_joined_pipes, output_format, pipe_bpp, 64); dsc_slice_count = intel_dp_dsc_get_slice_count(connector, target_clock, mode->hdisplay, - joiner); + num_joined_pipes); } dsc = dsc_max_compressed_bpp && dsc_slice_count; @@ -2113,6 +2113,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp; int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp; int dsc_joiner_max_bpp; + int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); dsc_src_min_bpp = dsc_src_min_compressed_bpp(); dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config); @@ -2127,7 +2128,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, adjusted_mode->clock, adjusted_mode->hdisplay, - pipe_config->joiner_pipes); + num_joined_pipes); dsc_max_bpp = min(dsc_max_bpp, dsc_joiner_max_bpp); dsc_max_bpp = min(dsc_max_bpp, fxp_q4_to_int(limits->link.max_bpp_x16)); @@ -2312,6 +2313,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, to_intel_connector(conn_state->connector); const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); int ret; /* @@ -2367,7 +2369,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, intel_dp_dsc_get_slice_count(connector, adjusted_mode->crtc_clock, adjusted_mode->crtc_hdisplay, - pipe_config->joiner_pipes); + num_joined_pipes); if (!dsc_dp_slice_count) { drm_dbg_kms(&dev_priv->drm, "Compressed Slice Count not supported\n"); diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 3aef57dd463a..a0a31fb64716 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -143,7 +143,7 @@ int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner, + int num_joined_pipes, enum intel_output_format output_format, u32 pipe_bpp, u32 timeslots); @@ -153,7 +153,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector int bpc); u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, int mode_clock, int mode_hdisplay, - bool bigjoiner); + int num_joined_pipes); bool intel_dp_need_joiner(struct intel_dp *intel_dp, struct intel_connector *connector, int hdisplay, int clock); diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 1b94dfe9499a..dc050da29815 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -102,11 +102,13 @@ static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state, flags |= crtc_state->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0; if (dsc) { + int num_joined_pipes = intel_crtc_num_joined_pipes(crtc_state); + flags |= DRM_DP_BW_OVERHEAD_DSC; dsc_slice_count = intel_dp_dsc_get_slice_count(connector, adjusted_mode->clock, adjusted_mode->hdisplay, - crtc_state->joiner_pipes); + num_joined_pipes); } overhead = drm_dp_bw_overhead(crtc_state->lane_count, @@ -1501,14 +1503,14 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, max_lanes, target_clock, mode->hdisplay, - joiner, + num_joined_pipes, INTEL_OUTPUT_FORMAT_RGB, pipe_bpp, 64); dsc_slice_count = intel_dp_dsc_get_slice_count(intel_connector, target_clock, mode->hdisplay, - joiner); + num_joined_pipes); } dsc = dsc_max_compressed_bpp && dsc_slice_count;