[PATCH 01/10] drm/xe: Correct BMG VSEC header sizing

[Ilpo Järvinen]

On Fri, 30 May 2025, Michael J. Ruhl wrote:

> The intel_vsec_header information for the crashlog feature
> is incorrect.
>
> Update the VSEC header with correct sizing and count.

Does this warrant a Fixes tag?
 
> Signed-off-by: Michael J. Ruhl <michael.j.ruhl at intel.com>
> ---
>  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,

Eh, this change goes way beyond what you said in the changelog, was that 
intentional? If yes, please describe and justify all the changes (and 
consider if some of them belong to a separate patch as it sounds like 
there are two or more changes mixed up into this patch).

>  	NULL
>  };
>  
> 

-- 
 i.