[PATCH v5 2/3] drm/i915/pxp/mtl: Update pxp-firmware packet size

Teres Alexis, Alan Previn alan.previn.teres.alexis at intel.com
Fri Sep 15 17:28:47 UTC 2023


On Sat, 2023-09-09 at 15:38 -0700, Teres Alexis, Alan Previn wrote:
> Update the GSC-fw input/output HECI packet size to match
> updated internal fw specs.
> 
> Signed-off-by: Alan Previn <alan.previn.teres.alexis at intel.com>
> 
alan:snip

> -/* PXP-Packet sizes for MTL's GSCCS-HECI instruction */
> -#define PXP43_MAX_HECI_INOUT_SIZE (SZ_32K)
> +/* PXP-Packet sizes for MTL's GSCCS-HECI instruction is spec'd at 65K before page alignment*/
> +#define PXP43_MAX_HECI_INOUT_SIZE (PAGE_ALIGNED(SZ_64K + SZ_1K))
alan: silly ctrl-c/v bug on my part - should be PAGE_ALIGN, not ALIGNED
>  
>  /* PXP-Packet size for MTL's NEW_HUC_AUTH instruction */
>  #define PXP43_HUC_AUTH_INOUT_SIZE (SZ_4K)



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