[PATCH v3 03/11] drm/xe: Correct BMG VSEC header sizing

[David E. Box]

On Thu, 2025-06-05 at 14:44 -0400, Michael J. Ruhl wrote:
> The intel_vsec_header information for the crashlog feature is
> incorrect.
> 
> Update the VSEC header with correct sizing and count.
> 
> Since the crashlog entries are "merged" (num_entries = 2), the
> separate capabilities entries must be merged as well.
> 
> Signed-off-by: Michael J. Ruhl <michael.j.ruhl at intel.com>

Fixes tag?

David

> ---
>  drivers/gpu/drm/xe/xe_vsec.c | 20 +++++---------------
>  1 file changed, 5 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_vsec.c b/drivers/gpu/drm/xe/xe_vsec.c
> index 3e573b0b7ebd..67238fc57a4d 100644
> --- a/drivers/gpu/drm/xe/xe_vsec.c
> +++ b/drivers/gpu/drm/xe/xe_vsec.c
> @@ -32,28 +32,18 @@ static struct intel_vsec_header bmg_telemetry = {
>  	.offset = BMG_DISCOVERY_OFFSET,
>  };
>  
> -static struct intel_vsec_header bmg_punit_crashlog = {
> -	.length = 0x10,
> +static struct intel_vsec_header bmg_crashlog = {
> +	.length = 0x18,
>  	.id = VSEC_ID_CRASHLOG,
> -	.num_entries = 1,
> -	.entry_size = 4,
> +	.num_entries = 2,
> +	.entry_size = 6,
>  	.tbir = 0,
>  	.offset = BMG_DISCOVERY_OFFSET + 0x60,
>  };
>  
> -static struct intel_vsec_header bmg_oobmsm_crashlog = {
> -	.length = 0x10,
> -	.id = VSEC_ID_CRASHLOG,
> -	.num_entries = 1,
> -	.entry_size = 4,
> -	.tbir = 0,
> -	.offset = BMG_DISCOVERY_OFFSET + 0x78,
> -};
> -
>  static struct intel_vsec_header *bmg_capabilities[] = {
>  	&bmg_telemetry,
> -	&bmg_punit_crashlog,
> -	&bmg_oobmsm_crashlog,
> +	&bmg_crashlog,
>  	NULL
>  };
>