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[v6,2/3] drm/i915/pxp/mtl: Update pxp-firmware packet size

Message ID 20230915183051.1232026-3-alan.previn.teres.alexis@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/pxp/mtl: Update gsc-heci cmd submission to align with fw/hw spec | expand

Commit Message

Alan Previn Sept. 15, 2023, 6:30 p.m. UTC 
Update the GSC-fw input/output HECI packet size to match
updated internal fw specs.

Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Vivaik Balasubrawmanian <vivaik.balasubrawmanian@intel.com>
---
 drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_43.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_43.h b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_43.h
index 0165d38fbead..329b4fcdc040 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_43.h
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_43.h
@@ -14,8 +14,8 @@ 
 #define PXP43_CMDID_NEW_HUC_AUTH 0x0000003F /* MTL+ */
 #define PXP43_CMDID_INIT_SESSION 0x00000036
 
-/* 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_ALIGN(SZ_64K + SZ_1K))
 
 /* PXP-Packet size for MTL's NEW_HUC_AUTH instruction */
 #define PXP43_HUC_AUTH_INOUT_SIZE (SZ_4K)