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This >> will make it easier to further expand the logged information. >> >> Signed-off-by: André Almeida > > Shashank can you take a look at this one? Noted, will check this out. - Shashank > > Thanks, > Christian. > >> --- >> v4: change kmalloc to kzalloc >> --- >>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        | 14 +++-- >>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 63 ++++++++++++++-------- >>   2 files changed, 49 insertions(+), 28 deletions(-) >> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h >> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h >> index 9c6a332261ab..0d560b713948 100644 >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h >> @@ -1088,11 +1088,6 @@ struct amdgpu_device { >>       uint32_t                        *reset_dump_reg_list; >>       uint32_t            *reset_dump_reg_value; >>       int                             num_regs; >> -#ifdef CONFIG_DEV_COREDUMP >> -    struct amdgpu_task_info         reset_task_info; >> -    bool                            reset_vram_lost; >> -    struct timespec64               reset_time; >> -#endif >>         bool                            scpm_enabled; >>       uint32_t                        scpm_status; >> @@ -1105,6 +1100,15 @@ struct amdgpu_device { >>       uint32_t            aid_mask; >>   }; >>   +#ifdef CONFIG_DEV_COREDUMP >> +struct amdgpu_coredump_info { >> +    struct amdgpu_device        *adev; >> +    struct amdgpu_task_info         reset_task_info; >> +    struct timespec64               reset_time; >> +    bool                            reset_vram_lost; >> +}; >> +#endif >> + >>   static inline struct amdgpu_device *drm_to_adev(struct drm_device >> *ddev) >>   { >>       return container_of(ddev, struct amdgpu_device, ddev); >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c >> index bf4781551f88..b5b879bcc5c9 100644 >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c >> @@ -4799,12 +4799,17 @@ static int amdgpu_reset_reg_dumps(struct >> amdgpu_device *adev) >>       return 0; >>   } >>   -#ifdef CONFIG_DEV_COREDUMP >> +#ifndef CONFIG_DEV_COREDUMP >> +static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost, >> +                struct amdgpu_reset_context *reset_context) >> +{ >> +} >> +#else >>   static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset, >>           size_t count, void *data, size_t datalen) >>   { >>       struct drm_printer p; >> -    struct amdgpu_device *adev = data; >> +    struct amdgpu_coredump_info *coredump = data; >>       struct drm_print_iterator iter; >>       int i; >>   @@ -4818,21 +4823,21 @@ static ssize_t amdgpu_devcoredump_read(char >> *buffer, loff_t offset, >>       drm_printf(&p, "**** AMDGPU Device Coredump ****\n"); >>       drm_printf(&p, "kernel: " UTS_RELEASE "\n"); >>       drm_printf(&p, "module: " KBUILD_MODNAME "\n"); >> -    drm_printf(&p, "time: %lld.%09ld\n", adev->reset_time.tv_sec, >> adev->reset_time.tv_nsec); >> -    if (adev->reset_task_info.pid) >> +    drm_printf(&p, "time: %lld.%09ld\n", >> coredump->reset_time.tv_sec, coredump->reset_time.tv_nsec); >> +    if (coredump->reset_task_info.pid) >>           drm_printf(&p, "process_name: %s PID: %d\n", >> -               adev->reset_task_info.process_name, >> -               adev->reset_task_info.pid); >> +               coredump->reset_task_info.process_name, >> +               coredump->reset_task_info.pid); >>   -    if (adev->reset_vram_lost) >> +    if (coredump->reset_vram_lost) >>           drm_printf(&p, "VRAM is lost due to GPU reset!\n"); >> -    if (adev->num_regs) { >> +    if (coredump->adev->num_regs) { >>           drm_printf(&p, "AMDGPU register dumps:\nOffset:     >> Value:\n"); >>   -        for (i = 0; i < adev->num_regs; i++) >> +        for (i = 0; i < coredump->adev->num_regs; i++) >>               drm_printf(&p, "0x%08x: 0x%08x\n", >> -                   adev->reset_dump_reg_list[i], >> -                   adev->reset_dump_reg_value[i]); >> + coredump->adev->reset_dump_reg_list[i], >> + coredump->adev->reset_dump_reg_value[i]); >>       } >>         return count - iter.remain; >> @@ -4840,14 +4845,32 @@ static ssize_t amdgpu_devcoredump_read(char >> *buffer, loff_t offset, >>     static void amdgpu_devcoredump_free(void *data) >>   { >> +    kfree(data); >>   } >>   -static void amdgpu_reset_capture_coredumpm(struct amdgpu_device >> *adev) >> +static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost, >> +                struct amdgpu_reset_context *reset_context) >>   { >> +    struct amdgpu_coredump_info *coredump; >>       struct drm_device *dev = adev_to_drm(adev); >>   -    ktime_get_ts64(&adev->reset_time); >> -    dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_NOWAIT, >> +    coredump = kzalloc(sizeof(*coredump), GFP_NOWAIT); >> + >> +    if (!coredump) { >> +        DRM_ERROR("%s: failed to allocate memory for coredump\n", >> __func__); >> +        return; >> +    } >> + >> +    coredump->reset_vram_lost = vram_lost; >> + >> +    if (reset_context->job && reset_context->job->vm) >> +        coredump->reset_task_info = reset_context->job->vm->task_info; >> + >> +    coredump->adev = adev; >> + >> +    ktime_get_ts64(&coredump->reset_time); >> + >> +    dev_coredumpm(dev->dev, THIS_MODULE, coredump, 0, GFP_NOWAIT, >>                 amdgpu_devcoredump_read, amdgpu_devcoredump_free); >>   } >>   #endif >> @@ -4955,15 +4978,9 @@ int amdgpu_do_asic_reset(struct list_head >> *device_list_handle, >>                       goto out; >>                     vram_lost = amdgpu_device_check_vram_lost(tmp_adev); >> -#ifdef CONFIG_DEV_COREDUMP >> -                tmp_adev->reset_vram_lost = vram_lost; >> -                memset(&tmp_adev->reset_task_info, 0, >> -                        sizeof(tmp_adev->reset_task_info)); >> -                if (reset_context->job && reset_context->job->vm) >> -                    tmp_adev->reset_task_info = >> - reset_context->job->vm->task_info; >> -                amdgpu_reset_capture_coredumpm(tmp_adev); >> -#endif >> + >> +                amdgpu_coredump(tmp_adev, vram_lost, reset_context); >> + >>                   if (vram_lost) { >>                       DRM_INFO("VRAM is lost due to GPU reset!\n"); >>                       amdgpu_inc_vram_lost(tmp_adev); >