Re: [PATCH] drm/imagination: Fix value of HWRT address in pvr_job_create tracepoint

[Brajesh Gupta <Brajesh.Gupta@imgtec.com>]

On Mon, 2026-07-20 at 16:07 +0100, Alessio Belle wrote:
> *** NOTE: This is an internal email from Imagination Technologies ***
> 
> 
> 
> 
> The pvr_job_create tracepoint was using pvr_fw_object::fw_addr_offset
> to display the firmware address of the render target structure attached
> to a job, but that's an offset into the firmware heap, not the expected
> full address, which is more useful in general e.g. for cross referencing
> against firmware logs.
> 
> Use pvr_fw_object_get_fw_addr() to get the full firmware address.
> 
> Fixes: c1079aebb4de ("drm/imagination: Add support for trace points")
> Signed-off-by: Alessio Belle <alessio.belle@imgtec.com>
> ---
>  drivers/gpu/drm/imagination/pvr_trace.h | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/imagination/pvr_trace.h b/drivers/gpu/drm/imagination/pvr_trace.h
> index ffbbde3b2bcc..943d6b2418cb 100644
> --- a/drivers/gpu/drm/imagination/pvr_trace.h
> +++ b/drivers/gpu/drm/imagination/pvr_trace.h
> @@ -41,6 +41,17 @@ TRACE_EVENT(pvr_job_submit_ioctl,
>                       __entry->count)
>  );
> 
> +#define PVR_JOB_GET_HWRT_FW_ADDR(job)                                                  \
> +       ({                                                                             \
> +               struct pvr_job *_job = (job);                                          \
> +               u32 _hwrt_fw_addr = 0;                                                 \
> +                                                                                      \
> +               if (_job && _job->hwrt)                                                \
> +                       pvr_fw_object_get_fw_addr(_job->hwrt->fw_obj, &_hwrt_fw_addr); \
> +                                                                                      \
> +               _hwrt_fw_addr;                                                         \
> +       })
> +
>  #define PVR_JOB_TYPE_TO_STR(val)                                         \
>         __print_symbolic(val,                                            \
>                          { DRM_PVR_JOB_TYPE_GEOMETRY, "geometry" },      \
> @@ -64,9 +75,7 @@ TRACE_EVENT(pvr_job_create,
>                            __entry->ctx = job->ctx;
>                            __entry->fw_obj = job->ctx->fw_obj;
>                            pvr_fw_object_get_fw_addr(job->ctx->fw_obj, &__entry->fw_addr);
> -                          __entry->hwrt_addr = job->hwrt ?
> -                                               job->hwrt->fw_obj->fw_addr_offset :
> -                                               0;
> +                          __entry->hwrt_addr = PVR_JOB_GET_HWRT_FW_ADDR(job);
>                            __entry->job = job;
>                            __entry->job_type = job->type;
>                            __entry->sync_op_count = sync_op_count;),
> @@ -82,6 +91,7 @@ TRACE_EVENT(pvr_job_create,
>  );
> 
>  #undef PVR_JOB_TYPE_TO_STR
> +#undef PVR_JOB_GET_HWRT_FW_ADDR
> 
>  TRACE_EVENT(pvr_job_submit_fw,
>             TP_PROTO(struct pvr_job *job),
> 
> ---
> base-commit: 17e2030f37600994440f875dc410615d5c66ee6d
> change-id: 20260720-fix-pvr-job-trace-hwrt-32f54c0ec185
> 
> Best regards,
> --
> Alessio Belle <alessio.belle@imgtec.com>
> 
Reviewed-by: Brajesh Gupta <brajesh.gupta@imgtec.com>

Thanks,
Brajesh