From patchwork Fri Oct 28 09:44:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023286 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 C2A2DECAAA1 for ; Fri, 28 Oct 2022 09:44:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BEB0310E7CD; Fri, 28 Oct 2022 09:44:26 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 88A5510E7BE for ; Fri, 28 Oct 2022 09:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666950230; x=1698486230; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=G/w55hw1EOihbW6KgcO4LODLDiZ8Ai0Stgd0UwrXx/0=; b=jL4tt7VQ5JmQO1DwlL7wzAGJSiJhzXVS4dXZwT2vwPnGgylwgw6ivWrW K69nEhFCWHbQDN5/QC8t66r2dRb5txSTzoJ7Kgn8vC1Om3mWtIAGbLE4i httgZKung/LLL/lTPV+2czaFTQqULxvSC90GPd3hCPghkTP31Tw5jjLaa BQnQokRwXF/JBiQz3dQHH1HU12dYW0ud4WHjtg5nuSHy8qsyqhsSMvWXe N+fBlwcQE7GPnQKI/bnoTJa9uzNzYLpCkST4EKQvyO3yif5y64AqwBDKU kVQ+6By282jtOGgGJvGYXQ9zHlVOWNtzKbfyz1N7XXnOdC46w6BIs3nzQ w==; X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="335094631" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094631" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:43:49 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026557" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026557" 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; 28 Oct 2022 02:43:45 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:03 +0530 Message-Id: <20221028094411.3673476-2-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 1/9] drm/i915/display: Add new member to configure PCON color conversion 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 decision to use DFP output format conversion capabilities should be during compute_config phase. This patch adds new member to crtc_state to represent the final output_format to the sink. In case of a DFP this can be different than the output_format, as per the format conversion done via the PCON. This will help to store only the format conversion capabilities of the DP device in intel_dp->dfp, and use crtc_state to compute and store the configuration for color/format conversion for a given mode. v2: modified the new member to crtc_state to represent the final output_format that eaches the sink, after possible conversion by PCON kind of devices. (Ville) v3: Addressed comments from Ville: -Added comments to clarify difference between sink_format and output_format. -Corrected the order of setting sink_format and output_format. -Added readout for sink_format in get_pipe_config hooks. Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/icl_dsi.c | 1 + drivers/gpu/drm/i915/display/intel_crt.c | 1 + .../drm/i915/display/intel_crtc_state_dump.c | 5 +-- drivers/gpu/drm/i915/display/intel_display.c | 5 +++ .../drm/i915/display/intel_display_types.h | 11 +++++- drivers/gpu/drm/i915/display/intel_dp.c | 34 +++++++++++++------ drivers/gpu/drm/i915/display/intel_dp_mst.c | 1 + drivers/gpu/drm/i915/display/intel_dvo.c | 1 + drivers/gpu/drm/i915/display/intel_hdmi.c | 24 ++++++++----- drivers/gpu/drm/i915/display/intel_lvds.c | 1 + drivers/gpu/drm/i915/display/intel_tv.c | 1 + drivers/gpu/drm/i915/display/vlv_dsi.c | 1 + 12 files changed, 63 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index e05e7cd6c412..533563e94f58 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1666,6 +1666,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, &pipe_config->hw.adjusted_mode; int ret; + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; ret = intel_panel_compute_config(intel_connector, adjusted_mode); diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 94d0a5e1dd03..1b46d10fc6f4 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -391,6 +391,7 @@ static int intel_crt_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; return 0; diff --git a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c index e9212f69c360..ed427b9cbf09 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c +++ b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c @@ -163,10 +163,11 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config, snprintf_output_types(buf, sizeof(buf), pipe_config->output_types); drm_dbg_kms(&i915->drm, - "active: %s, output_types: %s (0x%x), output format: %s\n", + "active: %s, output_types: %s (0x%x), output format: %s, sink format: %s\n", str_yes_no(pipe_config->hw.active), buf, pipe_config->output_types, - output_formats(pipe_config->output_format)); + output_formats(pipe_config->output_format), + output_formats(pipe_config->sink_format)); drm_dbg_kms(&i915->drm, "cpu_transcoder: %s, pipe bpp: %i, dithering: %i\n", diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 9697179309c4..6edb3f2af376 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3240,6 +3240,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, return false; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; + pipe_config->sink_format = pipe_config->output_format; pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = NULL; @@ -3699,6 +3700,8 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc, break; } + pipe_config->sink_format = pipe_config->output_format; + pipe_config->gamma_mode = REG_FIELD_GET(PIPECONF_GAMMA_MODE_MASK_ILK, tmp); pipe_config->framestart_delay = REG_FIELD_GET(PIPECONF_FRAME_START_DELAY_MASK, tmp) + 1; @@ -4094,6 +4097,8 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc, bdw_get_pipemisc_output_format(crtc); } + pipe_config->sink_format = pipe_config->output_format; + pipe_config->gamma_mode = intel_de_read(dev_priv, GAMMA_MODE(crtc->pipe)); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 609eeb5c7b71..924b7b656097 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1254,9 +1254,18 @@ struct intel_crtc_state { /* HDMI High TMDS char rate ratio */ bool hdmi_high_tmds_clock_ratio; - /* Output format RGB/YCBCR etc */ + /* + * Output format RGB/YCBCR etc., that is coming out + * at the end of the pipe. + */ enum intel_output_format output_format; + /* + * Sink output format RGB/YCBCR etc., that is going + * into the sink. + */ + enum intel_output_format sink_format; + /* enable pipe gamma? */ bool gamma_enable; diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7400d6b4c587..0e4f7b467970 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -787,11 +787,12 @@ static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, static enum intel_output_format intel_dp_output_format(struct intel_connector *connector, - bool ycbcr_420_output) + enum intel_output_format sink_format) { struct intel_dp *intel_dp = intel_attached_dp(connector); - if (!connector->base.ycbcr_420_allowed || !ycbcr_420_output) + if (!connector->base.ycbcr_420_allowed || + sink_format != INTEL_OUTPUT_FORMAT_YCBCR420) return INTEL_OUTPUT_FORMAT_RGB; if (intel_dp->dfp.rgb_to_ycbcr && @@ -830,8 +831,14 @@ intel_dp_mode_min_output_bpp(struct intel_connector *connector, const struct drm_display_mode *mode) { const struct drm_display_info *info = &connector->base.display_info; - enum intel_output_format output_format = - intel_dp_output_format(connector, drm_mode_is_420_only(info, mode)); + enum intel_output_format output_format, sink_format; + + if (drm_mode_is_420_only(info, mode)) + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + else + sink_format = INTEL_OUTPUT_FORMAT_RGB; + + output_format = intel_dp_output_format(connector, sink_format); return intel_dp_output_bpp(output_format, intel_dp_min_bpp(output_format)); } @@ -1984,23 +1991,28 @@ intel_dp_compute_output_format(struct intel_encoder *encoder, ycbcr_420_only = drm_mode_is_420_only(info, adjusted_mode); - crtc_state->output_format = intel_dp_output_format(connector, ycbcr_420_only); - - if (ycbcr_420_only && !intel_dp_is_ycbcr420(intel_dp, crtc_state)) { + if (ycbcr_420_only && !connector->base.ycbcr_420_allowed) { drm_dbg_kms(&i915->drm, "YCbCr 4:2:0 mode but YCbCr 4:2:0 output not possible. Falling back to RGB.\n"); - crtc_state->output_format = INTEL_OUTPUT_FORMAT_RGB; + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_RGB; + } else if (ycbcr_420_only) { + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + } else { + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_RGB; } + crtc_state->output_format = intel_dp_output_format(connector, crtc_state->sink_format); + ret = intel_dp_compute_link_config(encoder, crtc_state, conn_state, respect_downstream_limits); if (ret) { - if (intel_dp_is_ycbcr420(intel_dp, crtc_state) || - !connector->base.ycbcr_420_allowed || + if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || !drm_mode_is_420_also(info, adjusted_mode)) return ret; - crtc_state->output_format = intel_dp_output_format(connector, true); + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + crtc_state->output_format = intel_dp_output_format(connector, + crtc_state->sink_format); ret = intel_dp_compute_link_config(encoder, crtc_state, conn_state, respect_downstream_limits); } diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index cd4e61026d98..496795476213 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -147,6 +147,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->has_pch_encoder = false; diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index 595087288922..8f5b5612cba8 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -278,6 +278,7 @@ static int intel_dvo_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; return 0; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 93519fb23d9d..bd802ce69174 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2191,9 +2191,10 @@ static bool intel_hdmi_has_audio(struct intel_encoder *encoder, static enum intel_output_format intel_hdmi_output_format(struct intel_connector *connector, - bool ycbcr_420_output) + enum intel_output_format sink_format) { - if (connector->base.ycbcr_420_allowed && ycbcr_420_output) + if (connector->base.ycbcr_420_allowed && + sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) return INTEL_OUTPUT_FORMAT_YCBCR420; else return INTEL_OUTPUT_FORMAT_RGB; @@ -2211,22 +2212,27 @@ static int intel_hdmi_compute_output_format(struct intel_encoder *encoder, bool ycbcr_420_only = drm_mode_is_420_only(info, adjusted_mode); int ret; - crtc_state->output_format = intel_hdmi_output_format(connector, ycbcr_420_only); - - if (ycbcr_420_only && !intel_hdmi_is_ycbcr420(crtc_state)) { + if (ycbcr_420_only && !connector->base.ycbcr_420_allowed) { drm_dbg_kms(&i915->drm, "YCbCr 4:2:0 mode but YCbCr 4:2:0 output not possible. Falling back to RGB.\n"); - crtc_state->output_format = INTEL_OUTPUT_FORMAT_RGB; + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_RGB; + } else if (ycbcr_420_only) { + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + } else { + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_RGB; } + crtc_state->output_format = intel_hdmi_output_format(connector, + crtc_state->sink_format); ret = intel_hdmi_compute_clock(encoder, crtc_state, respect_downstream_limits); if (ret) { - if (intel_hdmi_is_ycbcr420(crtc_state) || - !connector->base.ycbcr_420_allowed || + if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || !drm_mode_is_420_also(info, adjusted_mode)) return ret; - crtc_state->output_format = intel_hdmi_output_format(connector, true); + crtc_state->sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + crtc_state->output_format = intel_hdmi_output_format(connector, + crtc_state->sink_format); ret = intel_hdmi_compute_clock(encoder, crtc_state, respect_downstream_limits); } diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index 246787bbf5ef..6d98bc8789a7 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -439,6 +439,7 @@ static int intel_lvds_compute_config(struct intel_encoder *intel_encoder, pipe_config->pipe_bpp = lvds_bpp; } + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; /* diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index cf7d5c1ab406..9fe1fdca8336 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -1204,6 +1204,7 @@ intel_tv_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; drm_dbg_kms(&dev_priv->drm, "forcing bpc to 8 for TV\n"); diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 5a741ea4505f..11d9691c78cf 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -279,6 +279,7 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder, int ret; drm_dbg_kms(&dev_priv->drm, "\n"); + pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; ret = intel_panel_compute_config(intel_connector, adjusted_mode); From patchwork Fri Oct 28 09:44:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023281 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 E57F1ECAAA1 for ; Fri, 28 Oct 2022 09:44:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8CEF710E7BE; Fri, 28 Oct 2022 09:43:55 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id D0C6910E7B9 for ; Fri, 28 Oct 2022 09:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666950230; x=1698486230; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tO3DoJcQ630r0FslQBe+rxq9KsyQGtisWfUKG9dXZqY=; b=MKs9mpHc2e1oLzGLkbJV7R9bJPg5N/jP3iNZ2TMq8ORc98A6acaNNakb yuhml/pep1GH1M6xp7b40BbGbpzUPTLr8xbE5sR+BqdekenGM11CY67V5 L3NIIrE1/JNou5HawjjzYyfjF8AGIYrVuzAJfTMyWgMsPVPFzxTsHLoif 55pUNqqWhOnoO10qfolh4QGVhXCC6pSPgcsKzmV+ojyhvyKff3VPnRCkq +5539SMvgMmoCSyxNrjXsB1h450uLtT/mJzwh5DqWr3TeNLTEdjAqXNRd LVLpe2wqi5MMdtqHlDW2ZFAklKM8PQ9YRfIzWFuk0SfjNLZX4FtDbXTby A==; X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="335094634" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094634" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:43:50 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026583" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026583" 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; 28 Oct 2022 02:43:48 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:04 +0530 Message-Id: <20221028094411.3673476-3-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 2/9] drm/i915/display: Add new member in intel_dp to store ycbcr420 passthrough cap 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" New member to store the YCBCR20 Pass through capability of the DP sink. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_display_types.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 924b7b656097..ae070420309d 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1714,6 +1714,7 @@ struct intel_dp { int pcon_max_frl_bw; u8 max_bpc; bool ycbcr_444_to_420; + bool ycbcr420_passthrough; bool rgb_to_ycbcr; } dfp; From patchwork Fri Oct 28 09:44:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023283 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 B1DE0ECAAA1 for ; Fri, 28 Oct 2022 09:44:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B74B10E7C2; Fri, 28 Oct 2022 09:44:25 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0923910E7BD for ; Fri, 28 Oct 2022 09:43:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666950232; x=1698486232; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8dTU5bPuHTCF9A5xP8dxBFOiWYDXVbxY/hO3kKmAbmE=; b=jAISOqbxlg0Ua9YOlapIMYMfNLnNz3aHz6GItMsJtIMKvPTTSeHOtJiL 4vFDJmjyYlVwDvCWygKgne5xpHaQHN3QhQcfpND+TEw39f772kEGruoIq KhGsqiKuDIXzH+ZpUe0R6RdBlnk5GS5u02bNL9LxWnWIPkzOv/ykHEmdn Zkzel+y0f5MZhCwlw6W/WxnMMg/750IJ9VLZ4jmydqZemSe5ZnAo/pMv1 pa78E6xRYIsNTaos2f0FRhfgNvXyiQI5MapOV+05x1Iqac+Z5/qpio9Xf 00g2/80da01XOxvLorOPa97a6VRq2W5r4dNe4cu/33TMKNvbJNEWYDKce A==; X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="335094657" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094657" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:43:52 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026588" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026588" 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; 28 Oct 2022 02:43:50 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:05 +0530 Message-Id: <20221028094411.3673476-4-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 3/9] drm/i915/dp: Replace intel_dp.dfp members with the new crtc_state sink_format 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 decision to use DFP output format conversion capabilities should be during compute_config phase. This patch uses the members of intel_dp->dfp to only store the format conversion capabilities of the DP device and uses the crtc_state sink_format member, to program the protocol-converter for colorspace/format conversion. v2: Use sink_format to determine the color conversion config for the pcon (Ville). v3: Fix typo: missing 'break' in switch case (lkp kernel test robot). v4: Add helper to check if DP supports YCBCR420. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 122 ++++++++++++++++-------- 1 file changed, 84 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 0e4f7b467970..95d0c653db7f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -790,6 +790,7 @@ intel_dp_output_format(struct intel_connector *connector, enum intel_output_format sink_format) { struct intel_dp *intel_dp = intel_attached_dp(connector); + struct drm_i915_private *i915 = dp_to_i915(intel_dp); if (!connector->base.ycbcr_420_allowed || sink_format != INTEL_OUTPUT_FORMAT_YCBCR420) @@ -799,6 +800,10 @@ intel_dp_output_format(struct intel_connector *connector, intel_dp->dfp.ycbcr_444_to_420) return INTEL_OUTPUT_FORMAT_RGB; + /* Prefer 4:2:0 passthrough over 4:4:4->4:2:0 conversion */ + if (DISPLAY_VER(i915) >= 11 && intel_dp->dfp.ycbcr420_passthrough) + return INTEL_OUTPUT_FORMAT_YCBCR420; + if (intel_dp->dfp.ycbcr_444_to_420) return INTEL_OUTPUT_FORMAT_YCBCR444; else @@ -2668,6 +2673,8 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + bool ycbcr444_to_420 = false; + bool rgb_to_ycbcr = false; u8 tmp; if (intel_dp->dpcd[DP_DPCD_REV] < 0x13) @@ -2684,8 +2691,35 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, drm_dbg_kms(&i915->drm, "Failed to %s protocol converter HDMI mode\n", str_enable_disable(intel_dp->has_hdmi_sink)); - tmp = crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444 && - intel_dp->dfp.ycbcr_444_to_420 ? DP_CONVERSION_TO_YCBCR420_ENABLE : 0; + if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) { + switch (crtc_state->output_format) { + case INTEL_OUTPUT_FORMAT_YCBCR420: + /* + * sink_format is YCBCR420, output_format is also YCBCR420: + * Passthrough. + */ + break; + case INTEL_OUTPUT_FORMAT_YCBCR444: + /* + * sink_format is YCBCR420, output_format is YCBCR444: + * Downsample. + */ + ycbcr444_to_420 = true; + break; + case INTEL_OUTPUT_FORMAT_RGB: + /* + * sink_format is YCBCR420, output_format is RGB: + * Convert to YCBCR444 and Downsample. + */ + rgb_to_ycbcr = true; + ycbcr444_to_420 = true; + break; + default: + break; + } + } + + tmp = ycbcr444_to_420 ? DP_CONVERSION_TO_YCBCR420_ENABLE : 0; if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_PROTOCOL_CONVERTER_CONTROL_1, tmp) != 1) @@ -2693,13 +2727,12 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, "Failed to %s protocol converter YCbCr 4:2:0 conversion mode\n", str_enable_disable(intel_dp->dfp.ycbcr_444_to_420)); - tmp = intel_dp->dfp.rgb_to_ycbcr ? - DP_CONVERSION_BT709_RGB_YCBCR_ENABLE : 0; + tmp = rgb_to_ycbcr ? DP_CONVERSION_BT709_RGB_YCBCR_ENABLE : 0; if (drm_dp_pcon_convert_rgb_to_ycbcr(&intel_dp->aux, tmp) < 0) drm_dbg_kms(&i915->drm, - "Failed to %s protocol converter RGB->YCbCr conversion mode\n", - str_enable_disable(tmp)); + "Failed to %s protocol converter RGB->YCbCr conversion mode\n", + str_enable_disable(tmp)); } bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp) @@ -4544,57 +4577,70 @@ intel_dp_update_dfp(struct intel_dp *intel_dp, intel_dp_get_pcon_dsc_cap(intel_dp); } -static void -intel_dp_update_420(struct intel_dp *intel_dp) +static bool +intel_dp_can_ycbcr420(struct intel_connector *connector) { + struct intel_dp *intel_dp = intel_attached_dp(connector); struct drm_i915_private *i915 = dp_to_i915(intel_dp); - struct intel_connector *connector = intel_dp->attached_connector; - bool is_branch, ycbcr_420_passthrough, ycbcr_444_to_420, rgb_to_ycbcr; + bool is_branch = drm_dp_is_branch(intel_dp->dpcd); /* No YCbCr output support on gmch platforms */ if (HAS_GMCH(i915)) - return; + return false; /* * ILK doesn't seem capable of DP YCbCr output. The * displayed image is severly corrupted. SNB+ is fine. */ if (IS_IRONLAKE(i915)) - return; + return false; + /* + * For Display < 11, YCBCR420 output possible only + * if DFP supports 444->420 conversion. + */ + if (DISPLAY_VER(i915) < 11) + return is_branch && intel_dp->dfp.ycbcr_444_to_420; + + /* + * For Display > 11: + * If not a branch device, can support YCBCR420. + */ + if (!is_branch) + return true; + + /* + * If branch device then either: + * 1. PCONs should support YCBCR420 Passthrough + * i.e.Source uses CSC, scaler to convert RGB->YCBCR420 and + * sends YCBCR420 to PCON. PCON 'passrthrough' YCBCR420 to sink. + * Or + * 2. PCONs should support 444->420 + * (Source sends YCBCR444 PCON converts YCBCR444->420) + * (Source sends RGB4444 PCON converts RGB->YCBCR444 and YCBCR444->YCBCR420) + */ + return intel_dp->dfp.ycbcr420_passthrough || intel_dp->dfp.ycbcr_444_to_420; +} - is_branch = drm_dp_is_branch(intel_dp->dpcd); - ycbcr_420_passthrough = +static void +intel_dp_update_420(struct intel_dp *intel_dp) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_connector *connector = intel_dp->attached_connector; + + intel_dp->dfp.ycbcr420_passthrough = drm_dp_downstream_420_passthrough(intel_dp->dpcd, intel_dp->downstream_ports); /* on-board LSPCON always assumed to support 4:4:4->4:2:0 conversion */ - ycbcr_444_to_420 = + intel_dp->dfp.ycbcr_444_to_420 = dp_to_dig_port(intel_dp)->lspcon.active || drm_dp_downstream_444_to_420_conversion(intel_dp->dpcd, intel_dp->downstream_ports); - rgb_to_ycbcr = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd, - intel_dp->downstream_ports, - DP_DS_HDMI_BT709_RGB_YCBCR_CONV); - - if (DISPLAY_VER(i915) >= 11) { - /* Let PCON convert from RGB->YCbCr if possible */ - if (is_branch && rgb_to_ycbcr && ycbcr_444_to_420) { - intel_dp->dfp.rgb_to_ycbcr = true; - intel_dp->dfp.ycbcr_444_to_420 = true; - connector->base.ycbcr_420_allowed = true; - } else { - /* Prefer 4:2:0 passthrough over 4:4:4->4:2:0 conversion */ - intel_dp->dfp.ycbcr_444_to_420 = - ycbcr_444_to_420 && !ycbcr_420_passthrough; + intel_dp->dfp.rgb_to_ycbcr = + drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd, + intel_dp->downstream_ports, + DP_DS_HDMI_BT709_RGB_YCBCR_CONV); - connector->base.ycbcr_420_allowed = - !is_branch || ycbcr_444_to_420 || ycbcr_420_passthrough; - } - } else { - /* 4:4:4->4:2:0 conversion is the only way */ - intel_dp->dfp.ycbcr_444_to_420 = ycbcr_444_to_420; - - connector->base.ycbcr_420_allowed = ycbcr_444_to_420; - } + connector->base.ycbcr_420_allowed = intel_dp_can_ycbcr420(connector); drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] RGB->YcbCr conversion? %s, YCbCr 4:2:0 allowed? %s, YCbCr 4:4:4->4:2:0 conversion? %s\n", From patchwork Fri Oct 28 09:44:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023284 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 B3C35ECAAA1 for ; Fri, 28 Oct 2022 09:44:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8745B10E7C3; Fri, 28 Oct 2022 09:44:25 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5649310E7BD for ; Fri, 28 Oct 2022 09:43:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666950235; x=1698486235; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=09G/cVVqR8V0XPSVC+3hDoyYTYy5iOwIthutVtBmZ14=; b=PZCGkyLcaQfnMq48GiWbd3v2hlth1KU0AeZSsFopuT1LBk4gwKugmneo pACU8Jrb1DEMio7RVZwKY9F/IFEWcavrzHWbS07qf6y0fgRLyfVPAmVHv MKOtcVuwapaqdD4O0Lm98Qa/ldLkybXc7jokF2EHO/PTfNF930Q+8WRCR CW5gThPZVYI5+ScgODk7+mifMtMVp137wdFuPuPo3XWGEeIy1bk23SYU2 vACUGDo4NYkOW0U+3iEsRHLf2W1cTyhDUTbAc/6dsuD3Ltpu9B8//KtL3 mU7AO62mMN1EHx9iHFRkfXVnmXkoPiGfABczVCMqJnBkUVKT1uZSPSech w==; X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="335094662" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094662" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:43:55 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026595" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026595" 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; 28 Oct 2022 02:43:52 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:06 +0530 Message-Id: <20221028094411.3673476-5-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 4/9] drm/i915/display: Use sink_format instead of ycbcr420_output flag 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" Start passing the sink_format, to all functions that take a bool ycbcr420_output as parameter. This will make the functions generic, and will serve as a slight step towards 4:2:2 support later. Suggested-by: Ville Syrj_l_ Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 33 +++++++-------- drivers/gpu/drm/i915/display/intel_hdmi.c | 50 ++++++++++++----------- drivers/gpu/drm/i915/display/intel_hdmi.h | 5 ++- 3 files changed, 44 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 95d0c653db7f..f40584130232 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -882,7 +882,8 @@ static int intel_dp_max_tmds_clock(struct intel_dp *intel_dp) static enum drm_mode_status intel_dp_tmds_clock_valid(struct intel_dp *intel_dp, - int clock, int bpc, bool ycbcr420_output, + int clock, int bpc, + enum intel_output_format sink_format, bool respect_downstream_limits) { int tmds_clock, min_tmds_clock, max_tmds_clock; @@ -890,7 +891,7 @@ intel_dp_tmds_clock_valid(struct intel_dp *intel_dp, if (!respect_downstream_limits) return MODE_OK; - tmds_clock = intel_hdmi_tmds_clock(clock, bpc, ycbcr420_output); + tmds_clock = intel_hdmi_tmds_clock(clock, bpc, sink_format); min_tmds_clock = intel_dp->dfp.min_tmds_clock; max_tmds_clock = intel_dp_max_tmds_clock(intel_dp); @@ -913,6 +914,7 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, const struct drm_display_info *info = &connector->base.display_info; enum drm_mode_status status; bool ycbcr_420_only; + enum intel_output_format sink_format; /* If PCON supports FRL MODE, check FRL bandwidth constraints */ if (intel_dp->dfp.pcon_max_frl_bw) { @@ -939,18 +941,22 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, ycbcr_420_only = drm_mode_is_420_only(info, mode); + if (ycbcr_420_only && connector->base.ycbcr_420_allowed) + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + else + sink_format = INTEL_OUTPUT_FORMAT_RGB; + /* Assume 8bpc for the DP++/HDMI/DVI TMDS clock check */ status = intel_dp_tmds_clock_valid(intel_dp, target_clock, - 8, ycbcr_420_only, true); + 8, sink_format, true); if (status != MODE_OK) { - if (ycbcr_420_only || - !connector->base.ycbcr_420_allowed || + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || !drm_mode_is_420_also(info, mode)) return status; - + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; status = intel_dp_tmds_clock_valid(intel_dp, target_clock, - 8, true, true); + 8, sink_format, true); if (status != MODE_OK) return status; } @@ -1189,19 +1195,10 @@ static bool intel_dp_supports_dsc(struct intel_dp *intel_dp, drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd); } -static bool intel_dp_is_ycbcr420(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - return crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 || - (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444 && - intel_dp->dfp.ycbcr_444_to_420); -} - static int intel_dp_hdmi_compute_bpc(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, int bpc, bool respect_downstream_limits) { - bool ycbcr420_output = intel_dp_is_ycbcr420(intel_dp, crtc_state); int clock = crtc_state->hw.adjusted_mode.crtc_clock; /* @@ -1221,8 +1218,8 @@ static int intel_dp_hdmi_compute_bpc(struct intel_dp *intel_dp, for (; bpc >= 8; bpc -= 2) { if (intel_hdmi_bpc_possible(crtc_state, bpc, - intel_dp->has_hdmi_sink, ycbcr420_output) && - intel_dp_tmds_clock_valid(intel_dp, clock, bpc, ycbcr420_output, + intel_dp->has_hdmi_sink) && + intel_dp_tmds_clock_valid(intel_dp, clock, bpc, crtc_state->sink_format, respect_downstream_limits) == MODE_OK) return bpc; } diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index bd802ce69174..cb7dd8ebb33f 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1803,11 +1803,6 @@ static bool intel_has_hdmi_sink(struct intel_hdmi *hdmi, READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI; } -static bool intel_hdmi_is_ycbcr420(const struct intel_crtc_state *crtc_state) -{ - return crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420; -} - static int hdmi_port_clock_limit(struct intel_hdmi *hdmi, bool respect_downstream_limits, bool has_hdmi_sink) @@ -1881,10 +1876,11 @@ hdmi_port_clock_valid(struct intel_hdmi *hdmi, return MODE_OK; } -int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output) +int intel_hdmi_tmds_clock(int clock, int bpc, + enum intel_output_format sink_format) { /* YCBCR420 TMDS rate requirement is half the pixel clock */ - if (ycbcr420_output) + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) clock /= 2; /* @@ -1911,7 +1907,8 @@ static bool intel_hdmi_source_bpc_possible(struct drm_i915_private *i915, int bp } static bool intel_hdmi_sink_bpc_possible(struct drm_connector *connector, - int bpc, bool has_hdmi_sink, bool ycbcr420_output) + int bpc, bool has_hdmi_sink, + enum intel_output_format sink_format) { const struct drm_display_info *info = &connector->display_info; const struct drm_hdmi_info *hdmi = &info->hdmi; @@ -1921,7 +1918,7 @@ static bool intel_hdmi_sink_bpc_possible(struct drm_connector *connector, if (!has_hdmi_sink) return false; - if (ycbcr420_output) + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) return hdmi->y420_dc_modes & DRM_EDID_YCBCR420_DC_36; else return info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_36; @@ -1929,7 +1926,7 @@ static bool intel_hdmi_sink_bpc_possible(struct drm_connector *connector, if (!has_hdmi_sink) return false; - if (ycbcr420_output) + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) return hdmi->y420_dc_modes & DRM_EDID_YCBCR420_DC_30; else return info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30; @@ -1943,7 +1940,8 @@ static bool intel_hdmi_sink_bpc_possible(struct drm_connector *connector, static enum drm_mode_status intel_hdmi_mode_clock_valid(struct drm_connector *connector, int clock, - bool has_hdmi_sink, bool ycbcr420_output) + bool has_hdmi_sink, + enum intel_output_format sink_format) { struct drm_i915_private *i915 = to_i915(connector->dev); struct intel_hdmi *hdmi = intel_attached_hdmi(to_intel_connector(connector)); @@ -1956,12 +1954,12 @@ intel_hdmi_mode_clock_valid(struct drm_connector *connector, int clock, * least one color depth is accepted. */ for (bpc = 12; bpc >= 8; bpc -= 2) { - int tmds_clock = intel_hdmi_tmds_clock(clock, bpc, ycbcr420_output); + int tmds_clock = intel_hdmi_tmds_clock(clock, bpc, sink_format); if (!intel_hdmi_source_bpc_possible(i915, bpc)) continue; - if (!intel_hdmi_sink_bpc_possible(connector, bpc, has_hdmi_sink, ycbcr420_output)) + if (!intel_hdmi_sink_bpc_possible(connector, bpc, has_hdmi_sink, sink_format)) continue; status = hdmi_port_clock_valid(hdmi, tmds_clock, true, has_hdmi_sink); @@ -1986,6 +1984,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector, int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; bool has_hdmi_sink = intel_has_hdmi_sink(hdmi, connector->state); bool ycbcr_420_only; + enum intel_output_format sink_format; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; @@ -2013,14 +2012,17 @@ intel_hdmi_mode_valid(struct drm_connector *connector, ycbcr_420_only = drm_mode_is_420_only(&connector->display_info, mode); - status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, ycbcr_420_only); + sink_format = ycbcr_420_only ? INTEL_OUTPUT_FORMAT_YCBCR420 : INTEL_OUTPUT_FORMAT_RGB; + + status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, sink_format); if (status != MODE_OK) { if (ycbcr_420_only || !connector->ycbcr_420_allowed || !drm_mode_is_420_also(&connector->display_info, mode)) return status; - status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, true); + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, sink_format); if (status != MODE_OK) return status; } @@ -2029,7 +2031,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector, } bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, - int bpc, bool has_hdmi_sink, bool ycbcr420_output) + int bpc, bool has_hdmi_sink) { struct drm_atomic_state *state = crtc_state->uapi.state; struct drm_connector_state *connector_state; @@ -2040,7 +2042,8 @@ bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, if (connector_state->crtc != crtc_state->uapi.crtc) continue; - if (!intel_hdmi_sink_bpc_possible(connector, bpc, has_hdmi_sink, ycbcr420_output)) + if (!intel_hdmi_sink_bpc_possible(connector, bpc, has_hdmi_sink, + crtc_state->sink_format)) return false; } @@ -2065,14 +2068,13 @@ static bool hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, int bpc return false; /* Display Wa_1405510057:icl,ehl */ - if (intel_hdmi_is_ycbcr420(crtc_state) && + if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 && bpc == 10 && DISPLAY_VER(dev_priv) == 11 && (adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start) % 8 == 2) return false; - return intel_hdmi_bpc_possible(crtc_state, bpc, crtc_state->has_hdmi_sink, - intel_hdmi_is_ycbcr420(crtc_state)); + return intel_hdmi_bpc_possible(crtc_state, bpc, crtc_state->has_hdmi_sink); } static int intel_hdmi_compute_bpc(struct intel_encoder *encoder, @@ -2080,7 +2082,6 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder, int clock, bool respect_downstream_limits) { struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); - bool ycbcr420_output = intel_hdmi_is_ycbcr420(crtc_state); int bpc; /* @@ -2098,7 +2099,8 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder, bpc = 8; for (; bpc >= 8; bpc -= 2) { - int tmds_clock = intel_hdmi_tmds_clock(clock, bpc, ycbcr420_output); + int tmds_clock = intel_hdmi_tmds_clock(clock, bpc, + crtc_state->sink_format); if (hdmi_bpc_possible(crtc_state, bpc) && hdmi_port_clock_valid(intel_hdmi, tmds_clock, @@ -2128,7 +2130,7 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder, return bpc; crtc_state->port_clock = - intel_hdmi_tmds_clock(clock, bpc, intel_hdmi_is_ycbcr420(crtc_state)); + intel_hdmi_tmds_clock(clock, bpc, crtc_state->sink_format); /* * pipe_bpp could already be below 8bpc due to @@ -2283,7 +2285,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder, return ret; } - if (intel_hdmi_is_ycbcr420(pipe_config)) { + if (pipe_config->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) { ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.h b/drivers/gpu/drm/i915/display/intel_hdmi.h index 93f65a917c36..543db04e8a88 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.h +++ b/drivers/gpu/drm/i915/display/intel_hdmi.h @@ -17,6 +17,7 @@ struct intel_digital_port; struct intel_encoder; struct intel_crtc_state; struct intel_hdmi; +enum intel_output_format; struct drm_connector_state; union hdmi_infoframe; enum port; @@ -45,8 +46,8 @@ void intel_read_infoframe(struct intel_encoder *encoder, bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, - int bpc, bool has_hdmi_sink, bool ycbcr420_output); -int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output); + int bpc, bool has_hdmi_sink); +int intel_hdmi_tmds_clock(int clock, int bpc, enum intel_output_format sink_format); int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width, int num_slices, int output_format, bool hdmi_all_bpp, int hdmi_max_chunk_bytes); From patchwork Fri Oct 28 09:44:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023288 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 502A1ECAAA1 for ; Fri, 28 Oct 2022 09:44:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 92B5310E7D0; Fri, 28 Oct 2022 09:44:27 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD39E10E7BD for ; Fri, 28 Oct 2022 09:43:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; 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28 Oct 2022 02:43:55 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:07 +0530 Message-Id: <20221028094411.3673476-6-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 5/9] drm/i915/display: Add helper function to check if sink_format is 420 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" Add an inline helper function to check if the sink_format is set to YCBCR420 format. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_display_types.h | 6 ++++++ drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- drivers/gpu/drm/i915/display/intel_hdmi.c | 6 +++--- 3 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index ae070420309d..33da22a9174c 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -2093,4 +2093,10 @@ to_intel_frontbuffer(struct drm_framebuffer *fb) return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL; } +static inline bool +intel_crtc_has_420_sink_format(const struct intel_crtc_state *crtc_state) +{ + return crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420; +} + #endif /* __INTEL_DISPLAY_TYPES_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f40584130232..b9ef59882a90 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2008,7 +2008,7 @@ intel_dp_compute_output_format(struct intel_encoder *encoder, ret = intel_dp_compute_link_config(encoder, crtc_state, conn_state, respect_downstream_limits); if (ret) { - if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || + if (intel_crtc_has_420_sink_format(crtc_state) || !drm_mode_is_420_also(info, adjusted_mode)) return ret; @@ -2688,7 +2688,7 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, drm_dbg_kms(&i915->drm, "Failed to %s protocol converter HDMI mode\n", str_enable_disable(intel_dp->has_hdmi_sink)); - if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) { + if (intel_crtc_has_420_sink_format(crtc_state)) { switch (crtc_state->output_format) { case INTEL_OUTPUT_FORMAT_YCBCR420: /* diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index cb7dd8ebb33f..c0e602ccb021 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2068,7 +2068,7 @@ static bool hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, int bpc return false; /* Display Wa_1405510057:icl,ehl */ - if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 && + if (intel_crtc_has_420_sink_format(crtc_state) && bpc == 10 && DISPLAY_VER(dev_priv) == 11 && (adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start) % 8 == 2) @@ -2228,7 +2228,7 @@ static int intel_hdmi_compute_output_format(struct intel_encoder *encoder, crtc_state->sink_format); ret = intel_hdmi_compute_clock(encoder, crtc_state, respect_downstream_limits); if (ret) { - if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || + if (intel_crtc_has_420_sink_format(crtc_state) || !drm_mode_is_420_also(info, adjusted_mode)) return ret; @@ -2285,7 +2285,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder, return ret; } - if (pipe_config->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) { + if (intel_crtc_has_420_sink_format(pipe_config)) { ret = intel_panel_fitting(pipe_config, conn_state); if (ret) return ret; From patchwork Fri Oct 28 09:44:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023282 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 F4002ECAAA1 for ; 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a="335094678" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094678" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:43:59 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026604" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026604" 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; 28 Oct 2022 02:43:57 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:08 +0530 Message-Id: <20221028094411.3673476-7-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 6/9] drm/i915/dp: Avoid DSC with output_format YCBC420 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" Currently, DSC with YCBCR420 is not supported. Return -EINVAL when trying with DSC with output_format as YCBCR420. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index b9ef59882a90..4ffb470bcadc 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1491,6 +1491,10 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, if (!intel_dp_supports_dsc(intel_dp, pipe_config)) return -EINVAL; + /* Currently DSC with YCBCR420 format is not supported */ + if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) + return -EINVAL; + pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc); if (intel_dp->force_dsc_bpc) { From patchwork Fri Oct 28 09:44:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023285 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 DB04CECAAA1 for ; Fri, 28 Oct 2022 09:44:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A56EC10E7C6; Fri, 28 Oct 2022 09:44:26 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 019B910E7BD for ; Fri, 28 Oct 2022 09:44:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666950241; x=1698486241; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o9DodJ1LGlnnAWMejOtvNOTxs/pQECzbkZMH+Dddx40=; b=VV2Eyfn43BMnnKns4yAprgHKhCgMwM4sDv8oaKd7XB/WTL0hL0TCn7zO ZfPxqhKIsSoLTC/5x89JK3xmvPD2ggWhmdEu/PiY6XRML0UCpvk/iXOfi 6jlCXFkQo8k9H5r8xDwpUlzrEu6wIPWHBUKfRQsL8WA1SQkd7uLaJYdjt 7aB9TzNRdlTGiXonduKwN8U2V7UeGhHsdsfI9hUXXSs8OEO9nZQ8gN9lA k53nHUVkqvnXohjr9NduyqsB/oribO7yV6JhGw9adbEDSKRguudS+emlo v21aa/toMnisSGP70ta2RoT6PAynWVPd3xL1GUsoa7Ic1wp0Upv/a2VWQ A==; X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="335094683" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094683" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:44:01 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026622" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026622" 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; 28 Oct 2022 02:43:59 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:09 +0530 Message-Id: <20221028094411.3673476-8-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 7/9] drm/i915/dp: Handle BPP where HDMI2.1 DFP doesn't support DSC 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" Currently we use the highest input BPC supported by DP sink while using DSC.In cases where PCON with HDMI2.1 as branch device, if PCON supports DSC but HDMI2.1 sink does not supports DSC, The PCON tries to use same input BPC that is used between Source and the PCON without DSC, which might not work even with the maximum FRL rate supported by HDMI2.1 sink. This patch calculates the max BPC that can be sufficient with either RGB or YCBCR420 format for the maximum FRL rate supported. v2: Rebase v3: Use the sink_format in the functions instead of ycbcr420 flag. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 61 +++++++++++++++++++++++-- 1 file changed, 58 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 4ffb470bcadc..ce59e99dcf84 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -117,6 +117,7 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) static void intel_dp_unset_edid(struct intel_dp *intel_dp); static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc); +static bool intel_dp_is_hdmi_2_1_sink(struct intel_dp *intel_dp); /* Is link rate UHBR and thus 128b/132b? */ bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state) @@ -1473,12 +1474,47 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder, return drm_dsc_compute_rc_parameters(vdsc_cfg); } +static int +intel_dp_pcon_hdmi21_get_bpp_nodsc(struct intel_dp *intel_dp, + struct intel_crtc_state *pipe_config, + int max_bpc) +{ + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_connector *connector = &intel_connector->base; + const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + int i, num_bpc; + u8 dsc_bpc[3] = {0}; + int req_rate_gbps; + int max_frl_rate = connector->display_info.hdmi.max_lanes * + connector->display_info.hdmi.max_frl_rate_per_lane; + + num_bpc = drm_dp_dsc_sink_supported_input_bpcs(intel_dp->dsc_dpcd, + dsc_bpc); + for (i = 0; i < num_bpc; i++) { + if (dsc_bpc[i] > max_bpc) + continue; + + req_rate_gbps = DIV_ROUND_UP(dsc_bpc[i] * 3 * adjusted_mode->clock, 1000000); + + /* YCBCR420 reduces data rate by 2 */ + if (intel_crtc_has_420_sink_format(pipe_config)) + req_rate_gbps /= 2; + + if (req_rate_gbps < max_frl_rate) + return dsc_bpc[i] * 3; + } + + return 0; +} + static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state, struct link_config_limits *limits) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_connector *intel_connector = intel_dp->attached_connector; + struct drm_connector *connector = &intel_connector->base; struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; @@ -1495,11 +1531,30 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) return -EINVAL; - pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc); - - if (intel_dp->force_dsc_bpc) { + /* + * In cases where PCON with HDMI2.1 as branch device, if PCON supports + * DSC but HDMI2.1 sink does not supports DSC, there can be issues due + * to the bpc used. + * With DSC, a source-PCON pair can support the mode with higher bpcs. + * But PCON->Sink pair, cannot support the same bpc without sink having + * DSC support. + * So use the max BPC as input BPC that will be sufficient to show the + * mode without DSC from PCON->HDMI2.1 + */ + if (intel_dp_is_hdmi_2_1_sink(intel_dp) && + !connector->display_info.hdmi.dsc_cap.v_1p2) { + pipe_bpp = intel_dp_pcon_hdmi21_get_bpp_nodsc(intel_dp, pipe_config, + conn_state->max_requested_bpc); + if (!pipe_bpp) { + drm_dbg_kms(&dev_priv->drm, + "No BPC possible to support the mode without HDMI2.1 DSC\n"); + return -EINVAL; + } + } else if (intel_dp->force_dsc_bpc) { pipe_bpp = intel_dp->force_dsc_bpc * 3; drm_dbg_kms(&dev_priv->drm, "Input DSC BPP forced to %d", pipe_bpp); + } else { + pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc); } /* Min Input BPC for ICL+ is 8 */ From patchwork Fri Oct 28 09:44:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023287 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 01E68FA3744 for ; Fri, 28 Oct 2022 09:44:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5CB5710E7C5; 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28 Oct 2022 02:44:03 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026646" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026646" 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; 28 Oct 2022 02:44:01 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:10 +0530 Message-Id: <20221028094411.3673476-9-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 8/9] drm/i915/dp: Fix FRL BW check for HDMI2.1 DFP 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" During FRL bandwidth check for downstream HDMI2.1 sink, the min BPC supported is incorrectly taken for DP, and the check does not consider ybcr420 only modes. This patch fixes the bandwidth calculation similar to the TMDS case, by taking min 8Bpc and considering Ycbcr420 only modes. v2: Rebase Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 66 +++++++++++++++++-------- 1 file changed, 46 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index ce59e99dcf84..03b42aecc4fb 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -118,6 +118,7 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) static void intel_dp_unset_edid(struct intel_dp *intel_dp); static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc); static bool intel_dp_is_hdmi_2_1_sink(struct intel_dp *intel_dp); +static int intel_dp_hdmi_sink_max_frl(struct intel_dp *intel_dp); /* Is link rate UHBR and thus 128b/132b? */ bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state) @@ -906,6 +907,32 @@ intel_dp_tmds_clock_valid(struct intel_dp *intel_dp, return MODE_OK; } +static enum drm_mode_status +intel_dp_frl_bw_valid(struct intel_dp *intel_dp, int target_clock, + int bpc, enum intel_output_format sink_format) +{ + int target_bw; + int max_frl_bw; + int bpp = bpc * 3; + + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) + target_clock /= 2; + + target_bw = bpp * target_clock; + + /* check for MAX FRL BW for both PCON and HDMI2.1 sink */ + max_frl_bw = min(intel_dp->dfp.pcon_max_frl_bw, + intel_dp_hdmi_sink_max_frl(intel_dp)); + + /* converting bw from Gbps to Kbps*/ + max_frl_bw = max_frl_bw * 1000000; + + if (target_bw > max_frl_bw) + return MODE_CLOCK_HIGH; + + return MODE_OK; +} + static enum drm_mode_status intel_dp_mode_valid_downstream(struct intel_connector *connector, const struct drm_display_mode *mode, @@ -914,24 +941,30 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, struct intel_dp *intel_dp = intel_attached_dp(connector); const struct drm_display_info *info = &connector->base.display_info; enum drm_mode_status status; - bool ycbcr_420_only; + bool ycbcr_420_only = drm_mode_is_420_only(info, mode); enum intel_output_format sink_format; + ycbcr_420_only = drm_mode_is_420_only(info, mode); + /* If PCON supports FRL MODE, check FRL bandwidth constraints */ if (intel_dp->dfp.pcon_max_frl_bw) { - int target_bw; - int max_frl_bw; - int bpp = intel_dp_mode_min_output_bpp(connector, mode); - - target_bw = bpp * target_clock; - - max_frl_bw = intel_dp->dfp.pcon_max_frl_bw; - /* converting bw from Gbps to Kbps*/ - max_frl_bw = max_frl_bw * 1000000; - - if (target_bw > max_frl_bw) - return MODE_CLOCK_HIGH; + if (ycbcr_420_only && connector->base.ycbcr_420_allowed) + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + else + sink_format = INTEL_OUTPUT_FORMAT_RGB; + + /* Assume 8bpc for the HDMI2.1 FRL BW check */ + status = intel_dp_frl_bw_valid(intel_dp, target_clock, 8, sink_format); + if (status != MODE_OK) { + if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || + !drm_mode_is_420_also(info, mode)) + return status; + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + status = intel_dp_frl_bw_valid(intel_dp, target_clock, 8, sink_format); + if (status != MODE_OK) + return status; + } return MODE_OK; } @@ -940,13 +973,6 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, target_clock > intel_dp->dfp.max_dotclock) return MODE_CLOCK_HIGH; - ycbcr_420_only = drm_mode_is_420_only(info, mode); - - if (ycbcr_420_only && connector->base.ycbcr_420_allowed) - sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; - else - sink_format = INTEL_OUTPUT_FORMAT_RGB; - /* Assume 8bpc for the DP++/HDMI/DVI TMDS clock check */ status = intel_dp_tmds_clock_valid(intel_dp, target_clock, 8, sink_format, true); From patchwork Fri Oct 28 09:44:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13023289 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 4E694C38A02 for ; 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a="335094695" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="335094695" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2022 02:44:05 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10513"; a="758026652" X-IronPort-AV: E=Sophos;i="5.95,220,1661842800"; d="scan'208";a="758026652" 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; 28 Oct 2022 02:44:04 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Oct 2022 15:14:11 +0530 Message-Id: <20221028094411.3673476-10-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> References: <20221028094411.3673476-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 9/9] drm/i915/dp: Add a wrapper to check frl/tmds downstream constraints 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" Add a wrapper function to check dp_downstream clock/bandwidth constraints. Based on whether the sink supports FRL/TMDS the wrapper calls the appropriate FRL/TMDS functions. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 51 +++++++++++-------------- 1 file changed, 23 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 03b42aecc4fb..8c267422cd8b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -933,6 +933,18 @@ intel_dp_frl_bw_valid(struct intel_dp *intel_dp, int target_clock, return MODE_OK; } +static enum drm_mode_status +intel_dp_hdmi_bw_check(struct intel_dp *intel_dp, + int target_clock, int bpc, + enum intel_output_format sink_format, + bool is_frl) +{ + if (is_frl) + return intel_dp_frl_bw_valid(intel_dp, target_clock, 8, sink_format); + + return intel_dp_tmds_clock_valid(intel_dp, target_clock, 8, sink_format, true); +} + static enum drm_mode_status intel_dp_mode_valid_downstream(struct intel_connector *connector, const struct drm_display_mode *mode, @@ -942,48 +954,31 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, const struct drm_display_info *info = &connector->base.display_info; enum drm_mode_status status; bool ycbcr_420_only = drm_mode_is_420_only(info, mode); + bool is_frl; enum intel_output_format sink_format; + int bpc = 8; /* Assume 8bpc for the DP++/HDMI/DVI TMDS/FRL bw heck */ - ycbcr_420_only = drm_mode_is_420_only(info, mode); + if (ycbcr_420_only && connector->base.ycbcr_420_allowed) + sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; + else + sink_format = INTEL_OUTPUT_FORMAT_RGB; /* If PCON supports FRL MODE, check FRL bandwidth constraints */ - if (intel_dp->dfp.pcon_max_frl_bw) { + is_frl = intel_dp->dfp.pcon_max_frl_bw ? true : false; - if (ycbcr_420_only && connector->base.ycbcr_420_allowed) - sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; - else - sink_format = INTEL_OUTPUT_FORMAT_RGB; - - /* Assume 8bpc for the HDMI2.1 FRL BW check */ - status = intel_dp_frl_bw_valid(intel_dp, target_clock, 8, sink_format); - if (status != MODE_OK) { - if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || - !drm_mode_is_420_also(info, mode)) - return status; - sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; - status = intel_dp_frl_bw_valid(intel_dp, target_clock, 8, sink_format); - if (status != MODE_OK) - return status; - } - - return MODE_OK; - } - - if (intel_dp->dfp.max_dotclock && + if (!is_frl && intel_dp->dfp.max_dotclock && target_clock > intel_dp->dfp.max_dotclock) return MODE_CLOCK_HIGH; - /* Assume 8bpc for the DP++/HDMI/DVI TMDS clock check */ - status = intel_dp_tmds_clock_valid(intel_dp, target_clock, - 8, sink_format, true); + status = intel_dp_hdmi_bw_check(intel_dp, target_clock, bpc, sink_format, is_frl); if (status != MODE_OK) { if (sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 || !drm_mode_is_420_also(info, mode)) return status; sink_format = INTEL_OUTPUT_FORMAT_YCBCR420; - status = intel_dp_tmds_clock_valid(intel_dp, target_clock, - 8, sink_format, true); + status = intel_dp_hdmi_bw_check(intel_dp, target_clock, bpc, sink_format, is_frl); + } else { if (status != MODE_OK) return status; }