mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-05-16 03:11:11 -04:00
d994acc526
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-developed-by: Sarah Walker <sarah.walker@imgtec.com> Signed-off-by: Sarah Walker <sarah.walker@imgtec.com> Signed-off-by: Alexandru Dadu <alexandru.dadu@imgtec.com> Reviewed-by: Matt Coster <matt.coster@imgtec.com> Link: https://patch.msgid.link/20260323-b4-firmware-context-reset-notification-handling-v3-3-1a66049a9a65@imgtec.com Signed-off-by: Matt Coster <matt.coster@imgtec.com>
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
// 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 <drm/drm_print.h>
|
|
#include <linux/types.h>
|
|
|
|
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);
|
|
}
|
|
}
|