On 8/6/2022 5:26 AM, Tomas Winkler wrote:
Add GSC memory ready command.
The command indicates to the firmware that extend operation
memory was setup and the firmware may enter PXP mode.
CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Copyright date aside, this is:
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Daniele
---
drivers/misc/mei/mkhi.h | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h
index 27a9b476904e..056b76e73d40 100644
--- a/drivers/misc/mei/mkhi.h
+++ b/drivers/misc/mei/mkhi.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * Copyright (c) 2003-2020, Intel Corporation. All rights reserved.
+ * Copyright (c) 2003-2021, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
@@ -18,6 +18,13 @@
#define MCHI_GROUP_ID 0xA
+#define MKHI_GROUP_ID_GFX 0x30
+#define MKHI_GFX_RESET_WARN_CMD_REQ 0x0
+#define MKHI_GFX_MEMORY_READY_CMD_REQ 0x1
+
+/* Allow transition to PXP mode without approval */
+#define MKHI_GFX_MEM_READY_PXP_ALLOWED 0x1
+
struct mkhi_rule_id {
__le16 rule_type;
u8 feature_id;
@@ -42,4 +49,9 @@ struct mkhi_msg {
u8 data[];
} __packed;
+struct mkhi_gfx_mem_ready {
+ struct mkhi_msg_hdr hdr;
+ u32 flags;
+} __packed;
+
#endif /* _MEI_MKHI_H_ */
