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 33BA1105A593 for ; Thu, 12 Mar 2026 12:12:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9388110E260; Thu, 12 Mar 2026 12:12:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=imgtec.com header.i=@imgtec.com header.b="OPDi/Avg"; dkim-atps=neutral Received: from mx07-00376f01.pphosted.com (mx07-00376f01.pphosted.com [185.132.180.163]) by gabe.freedesktop.org (Postfix) with ESMTPS id 40F5110E3BA for ; Thu, 12 Mar 2026 12:12:16 +0000 (UTC) Received: from pps.filterd (m0168889.ppops.net [127.0.0.1]) by mx07-00376f01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 62C5iMTe3935955; Thu, 12 Mar 2026 11:41:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=imgtec.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=dk201812; bh=y olkeaz3VGLMVGezxGWPaLcQC3PibB5bexw8q6oL2/Q=; b=OPDi/Avg3BO44FV2N iV9LvyiL7qbknFClsS0+mYaC3bPSZa1YT0afzIfxorfTPtm9el7swfQwEQu5+kWN f9gR5/e/Lx+W1wwblBg8lzHo9s+z9T+OcFp9ekPMMkmqEcUUtb+f/8ut1AyjpgeU NSlTkolu2kVjMeDfwCsWP/Y9jtwWYod/3cw/7XWIny3NET1qaguI5qTzOQb4/J2r UStwiVQnfC7Q+pJIbbJ4TTaO7h2ST6ZTp3i933K399lB3eMlw6UVrxhXroVQxvhW HEk+lTa0rJq+xvhYvWmvP676g7g3Eye+JQ5LiObAIgtorvxjpQPJJYiuy9QCCXpg TqYzw== Received: from hhmail01.hh.imgtec.org (83-244-153-141.cust-83.exponential-e.net [83.244.153.141]) by mx07-00376f01.pphosted.com (PPS) with ESMTPS id 4ctxyghfsd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Mar 2026 11:41:16 +0000 (GMT) Received: from [127.0.1.1] (172.25.10.37) by HHMAIL01.hh.imgtec.org (10.100.10.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Thu, 12 Mar 2026 11:41:15 +0000 From: Alexandru Dadu Date: Thu, 12 Mar 2026 13:40:55 +0200 Subject: [PATCH v2 3/3] drm/imagination: Implement handling of context reset notification MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260312-b4-firmware-context-reset-notification-handling-v2-3-aec5a64cb06f@imgtec.com> References: <20260312-b4-firmware-context-reset-notification-handling-v2-0-aec5a64cb06f@imgtec.com> In-Reply-To: <20260312-b4-firmware-context-reset-notification-handling-v2-0-aec5a64cb06f@imgtec.com> To: Frank Binns , Matt Coster , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter CC: , , "Alessio Belle" , Brajesh Gupta , Alexandru Dadu , Sarah Walker X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773315672; l=6596; i=alexandru.dadu@imgtec.com; s=20260304; h=from:subject:message-id; bh=NUkPOE62tQDngv6++5PK77LscQsM3GAUk4T9SkUMLlg=; b=SqmGeN6V/kFXSCEw1SVSrMErvvRE3bDFAfPK5j5TXhmcGk7p6ntvDY19ZlVPR0ScKoknGrJFu ZSaM9cv0ag9A8QSnUJGJGIGNYKwPR441OJtnbe9cpZ+rbVA8yrU5paK X-Developer-Key: i=alexandru.dadu@imgtec.com; a=ed25519; pk=FU07SyNrYGwhahqSxbWEuzyXlUh47xBXvLvOR7UA6+U= X-Originating-IP: [172.25.10.37] X-Proofpoint-ORIG-GUID: 4t9pZv8du5ZpyDWTXUDxrzWJYx8721pp X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEyMDA5MiBTYWx0ZWRfXzzCJ4I2ZJiEa kgZ/xin497nVGCpnPN+nleH4bl6mQMsxdCdYvLUlT/3p9LWnjbQhgOFYt8lTSNqe0AzgJJCL1XF EfNr4SRWS9ZF8AW+OSoD359tBMlnwVsDvkgnOXX4K6KPH4qQ0jWR2jhiFm6HeB9QbMIuFXdPW4f YK+A5QjSFhXKOhzHl6YHIjzepOWVihiCobINAZCYWVG/PdpH8GVvxCeTU2++Rw/jqVfed/bQG/y PWZuJ7H0EwyAkmlPEilFvD3wTWCmtJvwoaRSmnSgqz+bNOGIqTk2uXn+bMvF+C4uDHVbuWXuxiC hN9aZS3c2JHriKgTFo2AhMu5BkkqwPkpyMXBIhf140o4bS4u/ea6LhgnBhAyUKWWLoquc/cv6Y8 68Km6RXGELrfpr/lPJI7HccKgld1iSz6vHCvwYN9FqB5lo/YwpqYVkqFGmWhBgYUJ14EaQCZoFC 2rz1fkLbGCNSLZI768g== X-Proofpoint-GUID: 4t9pZv8du5ZpyDWTXUDxrzWJYx8721pp X-Authority-Analysis: v=2.4 cv=NevrFmD4 c=1 sm=1 tr=0 ts=69b2a65c cx=c_pps a=AKOq//PuzOIrVTIF9yBwbA==:117 a=AKOq//PuzOIrVTIF9yBwbA==:17 a=7IANbbwssFwA:10 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=kQ-hrUj2-E3RCbRHssb7:22 a=7RYWX5rxfSByPNLylY2M:22 a=r_1tXGB3AAAA:8 a=eoAnicgNG9KoMJQc0cgA:9 a=QEXdDO2ut3YA:10 a=t8nPyN_e6usw4ciXM-Pk:22 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The firmware will send the context reset notification message as part of handling hardware recovery (HWR) events deecoding the message and printing via drm_info(). This eliminates the "Unknown FWCCB command" message that was previously printed. Co-authored-by: Sarah Walker Signed-off-by: Alexandru Dadu --- drivers/gpu/drm/imagination/Makefile | 1 + drivers/gpu/drm/imagination/pvr_ccb.c | 5 ++ drivers/gpu/drm/imagination/pvr_dump.c | 113 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/imagination/pvr_dump.h | 17 +++++ 4 files changed, 136 insertions(+) diff --git a/drivers/gpu/drm/imagination/Makefile b/drivers/gpu/drm/imagination/Makefile index f5072f06b4c4..1222a14262e4 100644 --- a/drivers/gpu/drm/imagination/Makefile +++ b/drivers/gpu/drm/imagination/Makefile @@ -8,6 +8,7 @@ powervr-y := \ pvr_device.o \ pvr_device_info.o \ pvr_drv.o \ + pvr_dump.o \ pvr_free_list.o \ pvr_fw.o \ pvr_fw_meta.o \ diff --git a/drivers/gpu/drm/imagination/pvr_ccb.c b/drivers/gpu/drm/imagination/pvr_ccb.c index f89db5e3baa2..a04520e7efc0 100644 --- a/drivers/gpu/drm/imagination/pvr_ccb.c +++ b/drivers/gpu/drm/imagination/pvr_ccb.c @@ -4,6 +4,7 @@ #include "pvr_ccb.h" #include "pvr_device.h" #include "pvr_drv.h" +#include "pvr_dump.h" #include "pvr_free_list.h" #include "pvr_fw.h" #include "pvr_gem.h" @@ -165,6 +166,10 @@ process_fwccb_command(struct pvr_device *pvr_dev, struct rogue_fwif_fwccb_cmd *c * suppress the "unknown" warning when receiving this command. */ break; + case ROGUE_FWIF_FWCCB_CMD_CONTEXT_RESET_NOTIFICATION: + pvr_dump_context_reset_notification(pvr_dev, + &cmd->cmd_data.cmd_context_reset_notification); + break; default: drm_info(drm_dev, "Received unknown FWCCB command (type=%d)\n", diff --git a/drivers/gpu/drm/imagination/pvr_dump.c b/drivers/gpu/drm/imagination/pvr_dump.c new file mode 100644 index 000000000000..bb52eea8b63a --- /dev/null +++ b/drivers/gpu/drm/imagination/pvr_dump.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* Copyright (c) 2026 Imagination Technologies Ltd. */ + +#include "pvr_device.h" +#include "pvr_dump.h" +#include "pvr_rogue_fwif.h" + +#include +#include + +static const char * +get_reset_reason_desc(enum rogue_context_reset_reason reason) +{ + switch (reason) { + case ROGUE_CONTEXT_RESET_REASON_NONE: + return "None"; + case ROGUE_CONTEXT_RESET_REASON_GUILTY_LOCKUP: + return "Guilty lockup"; + case ROGUE_CONTEXT_RESET_REASON_INNOCENT_LOCKUP: + return "Innocent lockup"; + case ROGUE_CONTEXT_RESET_REASON_GUILTY_OVERRUNING: + return "Guilty overrunning"; + case ROGUE_CONTEXT_RESET_REASON_INNOCENT_OVERRUNING: + return "Innocent overrunning"; + case ROGUE_CONTEXT_RESET_REASON_HARD_CONTEXT_SWITCH: + return "Hard context switch"; + case ROGUE_CONTEXT_RESET_REASON_WGP_CHECKSUM: + return "CDM Mission/safety checksum mismatch"; + case ROGUE_CONTEXT_RESET_REASON_TRP_CHECKSUM: + return "TRP checksum mismatch"; + case ROGUE_CONTEXT_RESET_REASON_GPU_ECC_OK: + return "GPU ECC error (corrected, OK)"; + case ROGUE_CONTEXT_RESET_REASON_GPU_ECC_HWR: + return "GPU ECC error (uncorrected, HWR)"; + case ROGUE_CONTEXT_RESET_REASON_FW_ECC_OK: + return "Firmware ECC error (corrected, OK)"; + case ROGUE_CONTEXT_RESET_REASON_FW_ECC_ERR: + return "Firmware ECC error (uncorrected, ERR)"; + case ROGUE_CONTEXT_RESET_REASON_FW_WATCHDOG: + return "Firmware watchdog"; + case ROGUE_CONTEXT_RESET_REASON_FW_PAGEFAULT: + return "Firmware pagefault"; + case ROGUE_CONTEXT_RESET_REASON_FW_EXEC_ERR: + return "Firmware execution error"; + case ROGUE_CONTEXT_RESET_REASON_HOST_WDG_FW_ERR: + return "Host watchdog"; + case ROGUE_CONTEXT_GEOM_OOM_DISABLED: + return "Geometry OOM disabled"; + + default: + return "Unknown"; + } +} + +static const char * +get_dm_name(u32 dm) +{ + switch (dm) { + case PVR_FWIF_DM_GP: + return "General purpose"; + /* PVR_FWIF_DM_TDM has the same index, but is discriminated by a device feature */ + case PVR_FWIF_DM_2D: + return "2D or TDM"; + case PVR_FWIF_DM_GEOM: + return "Geometry"; + case PVR_FWIF_DM_FRAG: + return "Fragment"; + case PVR_FWIF_DM_CDM: + return "Compute"; + case PVR_FWIF_DM_RAY: + return "Raytracing"; + case PVR_FWIF_DM_GEOM2: + return "Geometry 2"; + case PVR_FWIF_DM_GEOM3: + return "Geometry 3"; + case PVR_FWIF_DM_GEOM4: + return "Geometry 4"; + + default: + return "Unknown"; + } +} + +/** + * pvr_dump_context_reset_notification() - Handle context reset notification from FW + * @pvr_dev: Device pointer. + * @data: Data provided by FW. + * + * This will decode the data structure provided by FW and print the results via drm_info(). + */ +void +pvr_dump_context_reset_notification(struct pvr_device *pvr_dev, + struct rogue_fwif_fwccb_cmd_context_reset_data *data) +{ + struct drm_device *drm_dev = from_pvr_device(pvr_dev); + + if (data->flags & ROGUE_FWIF_FWCCB_CMD_CONTEXT_RESET_FLAG_ALL_CTXS) { + drm_info(drm_dev, "Received context reset notification for all contexts\n"); + } else { + drm_info(drm_dev, "Received context reset notification on context %u\n", + data->server_common_context_id); + } + + drm_info(drm_dev, " Reset reason=%u (%s)\n", data->reset_reason, + get_reset_reason_desc((enum rogue_context_reset_reason)data->reset_reason)); + drm_info(drm_dev, " Data Master=%u (%s)\n", data->dm, get_dm_name(data->dm)); + drm_info(drm_dev, " Job ref=%u\n", data->reset_job_ref); + + if (data->flags & ROGUE_FWIF_FWCCB_CMD_CONTEXT_RESET_FLAG_PF) { + drm_info(drm_dev, " Page fault occurred, fault address=%llx\n", + data->fault_address); + } +} diff --git a/drivers/gpu/drm/imagination/pvr_dump.h b/drivers/gpu/drm/imagination/pvr_dump.h new file mode 100644 index 000000000000..1e3e68694f5f --- /dev/null +++ b/drivers/gpu/drm/imagination/pvr_dump.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* Copyright (c) 2026 Imagination Technologies Ltd. */ + +#ifndef PVR_DUMP_H +#define PVR_DUMP_H + +/* Forward declaration from pvr_device.h. */ +struct pvr_device; + +/* Forward declaration from pvr_rogue_fwif.h. */ +struct rogue_fwif_fwccb_cmd_context_reset_data; + +void +pvr_dump_context_reset_notification(struct pvr_device *pvr_dev, + struct rogue_fwif_fwccb_cmd_context_reset_data *data); + +#endif /* PVR_DUMP_H */ -- 2.43.0