From mboxrd@z Thu Jan 1 00:00:00 1970 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 B73E2D3A661 for ; Tue, 29 Oct 2024 14:44:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8327810E679; Tue, 29 Oct 2024 14:44:20 +0000 (UTC) Received: from mblankhorst.nl (lankhorst.se [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 69B2710E67C for ; Tue, 29 Oct 2024 14:44:00 +0000 (UTC) From: Maarten Lankhorst To: intel-xe@lists.freedesktop.org Cc: Maarten Lankhorst Subject: [PATCH v3 8/8] drm/xe: Split init of xe_gt_init_hwconfig to xe_gt_init and *_early Date: Tue, 29 Oct 2024 15:44:12 +0100 Message-ID: <20241029144412.66081-7-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241029144412.66081-1-maarten.lankhorst@linux.intel.com> References: <20241029143934.65412-1-maarten.lankhorst@linux.intel.com> <20241029144412.66081-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Now that we added the separate step of initialising GUC in xe_gt_init_early, it should be ok to initialise the minimum during early init, and the rest after allocations are allowed. Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/xe/xe_device.c | 6 ---- drivers/gpu/drm/xe/xe_gt.c | 66 +++++++++++++++++----------------- drivers/gpu/drm/xe/xe_gt.h | 1 - 3 files changed, 32 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 0d662158fc83a..9116e513dc4bc 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -664,12 +664,6 @@ int xe_device_probe(struct xe_device *xe) return err; } - for_each_gt(gt, xe, id) { - err = xe_gt_init_hwconfig(gt); - if (err) - return err; - } - err = xe_devcoredump_init(xe); if (err) return err; diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 59f26ef6e68bc..2ed2a6d643e9c 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -363,6 +363,21 @@ int xe_gt_record_default_lrcs(struct xe_gt *gt) return err; } +static int gt_init_mcr(struct xe_gt *gt) +{ + unsigned int fw_ref; + + fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); + if (!fw_ref) + return -ETIMEDOUT; + + xe_gt_mcr_init_early(gt); + xe_pat_init(gt); + + xe_force_wake_put(gt_to_fw(gt), fw_ref); + return 0; +} + int xe_gt_init_early(struct xe_gt *gt) { int err; @@ -393,7 +408,11 @@ int xe_gt_init_early(struct xe_gt *gt) */ xe_gt_mmio_init(gt); - return xe_uc_init_noalloc(>->uc); + err = xe_uc_init_noalloc(>->uc); + if (err) + return err; + + return gt_init_mcr(gt); } static void dump_pat_on_error(struct xe_gt *gt) @@ -418,6 +437,18 @@ static int gt_fw_domain_init(struct xe_gt *gt) goto err_hw_fence_irq; } + err = xe_uc_init(>->uc); + if (err) + goto err_force_wake; + + err = xe_uc_init_hwconfig(>->uc); + if (err) + goto err_force_wake; + + xe_gt_topology_init(gt); + xe_gt_mcr_init(gt); + xe_gt_enable_host_l2_vram(gt); + if (!xe_gt_is_media_type(gt)) { err = xe_ggtt_init(gt_to_tile(gt)->mem.ggtt); if (err) @@ -549,39 +580,6 @@ static int all_fw_domain_init(struct xe_gt *gt) return err; } -/* - * Initialize enough GT to be able to load GuC in order to obtain hwconfig and - * enable CTB communication. - */ -int xe_gt_init_hwconfig(struct xe_gt *gt) -{ - unsigned int fw_ref; - int err; - - fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); - if (!fw_ref) - return -ETIMEDOUT; - - xe_gt_mcr_init_early(gt); - xe_pat_init(gt); - - err = xe_uc_init(>->uc); - if (err) - goto out_fw; - - err = xe_uc_init_hwconfig(>->uc); - if (err) - goto out_fw; - - xe_gt_topology_init(gt); - xe_gt_mcr_init(gt); - xe_gt_enable_host_l2_vram(gt); - -out_fw: - xe_force_wake_put(gt_to_fw(gt), fw_ref); - return err; -} - int xe_gt_init(struct xe_gt *gt) { int err; diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h index 82b9b7f82fcab..0c026cc91ffe9 100644 --- a/drivers/gpu/drm/xe/xe_gt.h +++ b/drivers/gpu/drm/xe/xe_gt.h @@ -28,7 +28,6 @@ static inline bool xe_fault_inject_gt_reset(void) } struct xe_gt *xe_gt_alloc(struct xe_tile *tile); -int xe_gt_init_hwconfig(struct xe_gt *gt); int xe_gt_init_early(struct xe_gt *gt); int xe_gt_init(struct xe_gt *gt); void xe_gt_mmio_init(struct xe_gt *gt); -- 2.45.2