From patchwork Sat Nov 23 09:18:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 11258749 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6BD62913 for ; Sat, 23 Nov 2019 08:55:44 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4EEA32071C for ; Sat, 23 Nov 2019 08:55:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4EEA32071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 942D56E02A; Sat, 23 Nov 2019 08:55:41 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 894956E02A; Sat, 23 Nov 2019 08:55:40 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Nov 2019 00:55:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,233,1571727600"; d="scan'208";a="201785841" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.74.143]) by orsmga008.jf.intel.com with ESMTP; 23 Nov 2019 00:55:36 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH] Revert "drm/fbdev: Fallback to non tiled mode if all tiles not present" Date: Sat, 23 Nov 2019 14:48:40 +0530 Message-Id: <20191123091840.32382-1-uma.shankar@intel.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula , Dave Airlie , Uma Shankar , Manasi Navare Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This reverts commit f25c7a006cd1c07254780e3406e45cee4842b933. 2p2c display configuration blows up dmesg when one connector is disconnected, causing issues in CI. Below are the sample errors thrown in logs: [IGT] core_getversion: executing [IGT] core_getversion: exiting, ret=0 Setting dangerous option reset - tainting kernel drm:drm_atomic_helper_wait_for_dependencies] ERROR [CRTC:152:pipe B] flip_done timed out drm:drm_atomic_helper_wait_for_dependencies] ERROR [CONNECTOR:299:DP-2] flip_done timed out drm:drm_atomic_helper_wait_for_dependencies] ERROR [PLANE:92:plane 1B] flip_done timed out [drm:drm_atomic_helper_wait_for_flip_done] ERROR [CRTC:152:pipe B] flip_done timed out [drm:drm_atomic_helper_wait_for_dependencies] ERROR [CRTC:152:pipe B] flip_done timed out [drm:drm_atomic_helper_wait_for_dependencies] ERROR [CONNECTOR:299:DP-2] flip_done timed out [drm:drm_atomic_helper_wait_for_dependencies] ERROR [PLANE:92:plane 1B] flip_done timed out [drm:drm_atomic_helper_wait_for_flip_done] ERROR [CRTC:152:pipe B] flip_done timed out Console: switching to colour frame buffer device 480x135 [drm:drm_atomic_helper_wait_for_dependencies] ERROR [CRTC:152:pipe B] flip_done timed out [drm:drm_atomic_helper_wait_for_dependencies] ERROR [CONNECTOR:299:DP-2] flip_done timed out Reverting the change for now to unblock CI execution. Cc: Ville Syrjälä Cc: Dave Airlie Cc: Jani Nikula Cc: Manasi Navare Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_client_modeset.c | 70 ---------------------------- 1 file changed, 70 deletions(-) diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index f2150a0bac4c..895b73f23079 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -114,33 +114,6 @@ drm_client_find_modeset(struct drm_client_dev *client, struct drm_crtc *crtc) return NULL; } -static struct drm_display_mode * -drm_connector_get_tiled_mode(struct drm_connector *connector) -{ - struct drm_display_mode *mode; - - list_for_each_entry(mode, &connector->modes, head) { - if (mode->hdisplay == connector->tile_h_size && - mode->vdisplay == connector->tile_v_size) - return mode; - } - return NULL; -} - -static struct drm_display_mode * -drm_connector_fallback_non_tiled_mode(struct drm_connector *connector) -{ - struct drm_display_mode *mode; - - list_for_each_entry(mode, &connector->modes, head) { - if (mode->hdisplay == connector->tile_h_size && - mode->vdisplay == connector->tile_v_size) - continue; - return mode; - } - return NULL; -} - static struct drm_display_mode * drm_connector_has_preferred_mode(struct drm_connector *connector, int width, int height) { @@ -375,14 +348,8 @@ static bool drm_client_target_preferred(struct drm_connector **connectors, struct drm_connector *connector; u64 conn_configured = 0; int tile_pass = 0; - int num_tiled_conns = 0; int i; - for (i = 0; i < connector_count; i++) { - if (connectors[i]->has_tile) - num_tiled_conns++; - } - retry: for (i = 0; i < connector_count; i++) { connector = connectors[i]; @@ -432,28 +399,6 @@ static bool drm_client_target_preferred(struct drm_connector **connectors, list_for_each_entry(modes[i], &connector->modes, head) break; } - /* - * In case of tiled mode if all tiles not present fallback to - * first available non tiled mode. - * After all tiles are present, try to find the tiled mode - * for all and if tiled mode not present due to fbcon size - * limitations, use first non tiled mode only for - * tile 0,0 and set to no mode for all other tiles. - */ - if (connector->has_tile) { - if (num_tiled_conns < - connector->num_h_tile * connector->num_v_tile || - (connector->tile_h_loc == 0 && - connector->tile_v_loc == 0 && - !drm_connector_get_tiled_mode(connector))) { - DRM_DEBUG_KMS("Falling back to non tiled mode on Connector %d\n", - connector->base.id); - modes[i] = drm_connector_fallback_non_tiled_mode(connector); - } else { - modes[i] = drm_connector_get_tiled_mode(connector); - } - } - DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name : "none"); conn_configured |= BIT_ULL(i); @@ -570,7 +515,6 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, bool fallback = true, ret = true; int num_connectors_enabled = 0; int num_connectors_detected = 0; - int num_tiled_conns = 0; struct drm_modeset_acquire_ctx ctx; if (!drm_drv_uses_atomic_modeset(dev)) @@ -588,10 +532,6 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, memcpy(save_enabled, enabled, count); mask = GENMASK(count - 1, 0); conn_configured = 0; - for (i = 0; i < count; i++) { - if (connectors[i]->has_tile) - num_tiled_conns++; - } retry: conn_seq = conn_configured; for (i = 0; i < count; i++) { @@ -691,16 +631,6 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, connector->name); modes[i] = &connector->state->crtc->mode; } - /* - * In case of tiled modes, if all tiles are not present - * then fallback to a non tiled mode. - */ - if (connector->has_tile && - num_tiled_conns < connector->num_h_tile * connector->num_v_tile) { - DRM_DEBUG_KMS("Falling back to non tiled mode on Connector %d\n", - connector->base.id); - modes[i] = drm_connector_fallback_non_tiled_mode(connector); - } crtcs[i] = new_crtc; DRM_DEBUG_KMS("connector %s on [CRTC:%d:%s]: %dx%d%s\n",