From patchwork Fri Sep 6 12:58:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13794148 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 CF19DCE7AA3 for ; Fri, 6 Sep 2024 12:56:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 57FEB10EA4A; Fri, 6 Sep 2024 12:56:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="m6Q46C+v"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id AAF7B10EA53 for ; Fri, 6 Sep 2024 12:56:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725627412; x=1757163412; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KQAkrewQIJ3unwEPXxZ4KYc+dCnICQ/TOHzwCAF7HJQ=; b=m6Q46C+vjobjdO69LWgHgCmpcScBMwe6cBbMtmF4jpUBFKad9FBlSfvA mSX253tX2lCSeYHxUFnbe4iuux4jYMj0CIGyafMDTDDnZgyeRmzR0Cwu+ QZkYjVfPT3IqIg7GhE/TO1GHlY5L83SNZeAjnGnVsiYkBpZyq9g4hedmt aC8n5ZsvGdUZebW5nx/h62KCb3/kq5oPO7il7jsvz4lK/rFAzElZeeTV/ vHSuc0O5pIJDKNn5I9UOdEZw7JlRGFLpmCf0a1bC60j5OfBUghvzhQRhA ivYCiw2VMPM3SREwtCYOyoAyPA/u9SzhjkERXENnPxHxNqWH5KnjuqC6i w==; X-CSE-ConnectionGUID: 9Q9lgh0HTSqIrOW4+PX2RA== X-CSE-MsgGUID: 5EqivnQwSQepiiTctIKRDA== X-IronPort-AV: E=McAfee;i="6700,10204,11187"; a="24257420" X-IronPort-AV: E=Sophos;i="6.10,207,1719903600"; d="scan'208";a="24257420" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2024 05:56:52 -0700 X-CSE-ConnectionGUID: aufjIS+fQ4Kxb0m8MIssrQ== X-CSE-MsgGUID: pazjbMjwR5Gn+/93SrJonA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,207,1719903600"; d="scan'208";a="66691100" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2024 05:56:50 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: jani.saarinen@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 14/14] drm/i915/intel_dp: Add support for forcing ultrajoiner Date: Fri, 6 Sep 2024 18:28:07 +0530 Message-ID: <20240906125807.3960642-15-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906125807.3960642-1-ankit.k.nautiyal@intel.com> References: <20240906125807.3960642-1-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" Allow forcing ultrajoiner through debugfs. Signed-off-by: Ankit Nautiyal Reviewed-by: Suraj Kandpal --- drivers/gpu/drm/i915/display/intel_dp.c | 11 +++++++---- drivers/gpu/drm/i915/display/intel_dp.h | 4 +++- drivers/gpu/drm/i915/display/intel_dp_mst.c | 6 ++++-- 3 files changed, 14 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 79837ba05a14..db2a50678cda 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1308,7 +1308,9 @@ bool intel_dp_has_dsc(const struct intel_connector *connector) return true; } -bool intel_dp_need_ultrajoiner(struct intel_dp *dp, int clock) +bool intel_dp_need_ultrajoiner(struct intel_dp *dp, + struct intel_connector *connector, + int clock) { const struct intel_encoder *encoder = &dp_to_dig_port(dp)->base; struct drm_i915_private *i915 = to_i915(encoder->base.dev); @@ -1317,7 +1319,8 @@ bool intel_dp_need_ultrajoiner(struct intel_dp *dp, int clock) if (!intel_display_can_use_ultrajoiner(display)) return false; - return clock > (i915->display.cdclk.max_dotclk_freq * 2); + return clock > (i915->display.cdclk.max_dotclk_freq * 2) || + connector->force_joined_pipes == INTEL_ULTRA_JOINER_PIPES; } static enum drm_mode_status @@ -1356,7 +1359,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, target_clock = fixed_mode->clock; } - if (intel_dp_need_ultrajoiner(intel_dp, target_clock)) { + if (intel_dp_need_ultrajoiner(intel_dp, connector, target_clock)) { joined_pipes = INTEL_ULTRA_JOINER_PIPES; max_dotclk *= INTEL_ULTRA_JOINER_PIPES; } else if (intel_dp_need_bigjoiner(intel_dp, connector, @@ -2566,7 +2569,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, !intel_dp_supports_fec(intel_dp, connector, pipe_config)) return -EINVAL; - if (intel_dp_need_ultrajoiner(intel_dp, adjusted_mode->crtc_clock)) + if (intel_dp_need_ultrajoiner(intel_dp, connector, adjusted_mode->crtc_clock)) pipe_config->joiner_pipes = GENMASK(crtc->pipe + 3, crtc->pipe); else if (intel_dp_need_bigjoiner(intel_dp, connector, adjusted_mode->crtc_hdisplay, diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index b413b9f5fdf8..748e1a94afd2 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -158,7 +158,9 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp, struct intel_connector *connector, int hdisplay, int clock); -bool intel_dp_need_ultrajoiner(struct intel_dp *intel_dp, int clock); +bool intel_dp_need_ultrajoiner(struct intel_dp *intel_dp, + struct intel_connector *connector, + int clock); static inline unsigned int intel_dp_unused_lane_mask(int lane_count) { diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 1f2a6d275114..5e87cdf0be69 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -580,7 +580,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) return -EINVAL; - if (intel_dp_need_ultrajoiner(intel_dp, adjusted_mode->crtc_clock)) + if (intel_dp_need_ultrajoiner(intel_dp, connector, + adjusted_mode->crtc_clock)) pipe_config->joiner_pipes = GENMASK(crtc->pipe + 3, crtc->pipe); else if (intel_dp_need_bigjoiner(intel_dp, connector, adjusted_mode->crtc_hdisplay, @@ -1479,7 +1480,8 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, * corresponding link capabilities of the sink) in case the * stream is uncompressed for it by the last branch device. */ - if (intel_dp_need_ultrajoiner(intel_dp, target_clock)) { + if (intel_dp_need_ultrajoiner(intel_dp, intel_connector, + target_clock)) { joined_pipes = INTEL_BIG_JOINER_PIPES; max_dotclk *= INTEL_BIG_JOINER_PIPES; } else if (intel_dp_need_bigjoiner(intel_dp, intel_connector,