From patchwork Tue Feb 20 21:18:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 13564564 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 7413FC48BC3 for ; Tue, 20 Feb 2024 21:18:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9165D10E58B; Tue, 20 Feb 2024 21:18:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="QvDS3cSZ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3C2A610E572; Tue, 20 Feb 2024 21:18:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708463923; x=1739999923; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=HbPqlmZ6T2Lp6gbeN6PqN4if5GIBNq65YJ1UnUHMywQ=; b=QvDS3cSZwy94TUII3nyi1P3HCmZ8zkiyT8gdyZu3tWZYHjJ/nRXQteeQ Jky4NyLB8P/ccJ/PTI/efsdhDBRnuPHBfmZK/ZRrRGU5ItAM6rfF0OOlw +CDf8+hGjionntf0ANcjWXB169xtlqxifkYejPXwSd7PAM7Hx7uWptWyb u6FywFu5DVOvlQ64O18YvbhXLBa1z+/snz0lrcHaWw+/oh9ebaRYobS66 ARVUqveVnD7M/zxcqeL2dOZDBmrsBXXsgPtAVflE5V4T6c0LojF2U+4Nv SeMcRCs1nNchCNanQcKycfWPqdkhafL07917NQGDXP5W0Ntptn0Vtyd84 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10990"; a="2738670" X-IronPort-AV: E=Sophos;i="6.06,174,1705392000"; d="scan'208";a="2738670" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 13:18:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,174,1705392000"; d="scan'208";a="5061626" Received: from ideak-desk.fi.intel.com ([10.237.72.78]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 13:18:41 -0800 From: Imre Deak To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Uma Shankar Subject: [PATCH v2 15/21] drm/i915/dp: Compute DP tunnel BW during encoder state computation Date: Tue, 20 Feb 2024 23:18:35 +0200 Message-Id: <20240220211841.448846-16-imre.deak@intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240220211841.448846-1-imre.deak@intel.com> References: <20240220211841.448846-1-imre.deak@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" Compute the BW required through a DP tunnel on links with such tunnels detected and add the corresponding atomic state during a modeset. v2: - Fix error check of intel_dp_tunnel_compute_stream_bw(). (Ville) - Move intel_dp_tunnel_atomic_cleanup_inherited_state() to this patch. (Ville) - Move intel_dp_tunnel_atomic_clear_stream_bw() to this patch. Signed-off-by: Imre Deak Reviewed-by: Uma Shankar (v1) --- drivers/gpu/drm/i915/display/intel_atomic.c | 2 ++ drivers/gpu/drm/i915/display/intel_display.c | 2 ++ drivers/gpu/drm/i915/display/intel_dp.c | 16 ++++++++++++---- drivers/gpu/drm/i915/display/intel_dp_mst.c | 13 ++++++++++++- 4 files changed, 28 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index 798cb90361a83..2bb270f82932e 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -352,6 +352,8 @@ void intel_atomic_state_clear(struct drm_atomic_state *s) /* state->internal not reset on purpose */ state->dpll_set = state->modeset = false; + + intel_dp_tunnel_atomic_cleanup_inherited_state(state); } struct intel_crtc_state * diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 16973ebb7865d..20647c97e86fa 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -4541,6 +4541,8 @@ intel_crtc_prepare_cleared_state(struct intel_atomic_state *state, /* free the old crtc_state->hw members */ intel_crtc_free_hw_state(crtc_state); + intel_dp_tunnel_atomic_clear_stream_bw(state, crtc_state); + /* FIXME: before the switch to atomic started, a new pipe_config was * kzalloc'd. Code that depends on any field being zero should be * fixed, so that the crtc_state can be safely duplicated. For now, diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f4f748d95ad17..5ad7808788745 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2875,6 +2875,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state); struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; struct intel_dp *intel_dp = enc_to_intel_dp(encoder); const struct drm_display_mode *fixed_mode; @@ -2975,7 +2976,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state); intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state); - return 0; + return intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector, + pipe_config); } void intel_dp_set_link_params(struct intel_dp *intel_dp, @@ -6063,6 +6065,15 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, return ret; } + if (!intel_connector_needs_modeset(state, conn)) + return 0; + + ret = intel_dp_tunnel_atomic_check_state(state, + intel_dp, + intel_conn); + if (ret) + return ret; + /* * We don't enable port sync on BDW due to missing w/as and * due to not having adjusted the modeset sequence appropriately. @@ -6070,9 +6081,6 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, if (DISPLAY_VER(dev_priv) < 9) return 0; - if (!intel_connector_needs_modeset(state, conn)) - return 0; - if (conn->has_tile) { ret = intel_modeset_tile_group(state, conn->tile_group->id); if (ret) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 4b6c8ff974297..db1254b036f18 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -42,6 +42,7 @@ #include "intel_dp.h" #include "intel_dp_hdcp.h" #include "intel_dp_mst.h" +#include "intel_dp_tunnel.h" #include "intel_dpio_phy.h" #include "intel_hdcp.h" #include "intel_hotplug.h" @@ -523,6 +524,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state); struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); struct intel_dp *intel_dp = &intel_mst->primary->dp; const struct intel_connector *connector = @@ -619,7 +621,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, intel_psr_compute_config(intel_dp, pipe_config, conn_state); - return 0; + return intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector, + pipe_config); } /* @@ -876,6 +879,14 @@ intel_dp_mst_atomic_check(struct drm_connector *connector, if (ret) return ret; + if (intel_connector_needs_modeset(state, connector)) { + ret = intel_dp_tunnel_atomic_check_state(state, + intel_connector->mst_port, + intel_connector); + if (ret) + return ret; + } + return drm_dp_atomic_release_time_slots(&state->base, &intel_connector->mst_port->mst_mgr, intel_connector->port);