From: Feifei Xu <[email protected]>
MEM_RESERVED_INFO holds the reserved info like size/offset for
firmware usage.
On soc_v1_0, MASTER_DIE_UMF_REGION_ID is to query UMF reserved region
info for master die MPASP. SPECIFIC_PURPOSE_REGION_ID is to query VRAM
base.
v1->v2: convert // to /* */ and move comments ahead of declarations
(per Christian's review)
Suggested-by: Christian König <[email protected]>
Signed-off-by: Feifei Xu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/amd/include/discovery.h | 54 ++++++++++++++++++++++++-
1 file changed, 53 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/include/discovery.h
b/drivers/gpu/drm/amd/include/discovery.h
index 575705653e957..07199c6abc73a 100644
--- a/drivers/gpu/drm/amd/include/discovery.h
+++ b/drivers/gpu/drm/amd/include/discovery.h
@@ -33,6 +33,11 @@
#define MALL_INFO_TABLE_ID 0x4C4C414D
#define NPS_INFO_TABLE_ID 0x0053504E
+/* = ('I' << 16u | 'R' << 8u | 'M') */
+#define MEM_RSV_TABLE_SIGNATURE 0x0049524D
+#define MEM_RSV_TABLE_VERSION 0x01
+#define MAX_MEM_REGION_NUM 16
+
typedef enum {
IP_DISCOVERY = 0,
GC,
@@ -40,7 +45,8 @@ typedef enum {
VCN_INFO,
MALL_INFO,
NPS_INFO,
- TOTAL_TABLES = 6
+ MEM_RESERVED_INFO,
+ TOTAL_TABLES = 7
} table;
#pragma pack(1)
@@ -504,6 +510,52 @@ struct nps_info_v1_0 {
instance_info[NPS_INFO_TABLE_MAX_NUM_INSTANCES];
};
+typedef enum {
+ NO_RESERVED_REGION_ID = 0,
+ /* reserved for UEFI GOP/DMUB FW */
+ PRE_OS_DISP_FW_REGION_ID = 1,
+ /* UMF reserved region for master die MPASP */
+ MASTER_DIE_UMF_REGION_ID = 2,
+ /* DCC meta data */
+ DCC_META_DATA_REGION_ID = 3,
+ /* GPUVM page fault region */
+ VM_PAGE_FAULT_REGION_ID = 4,
+ /* G7 Alternate Pstate Aperture 1 */
+ G7_PSTATE_APERTURE1_ID = 5,
+ /* G7 Alternate Pstate Aperture 2 */
+ G7_PSTATE_APERTURE2_ID = 6,
+ /* G7 Alternate Pstate Mirror Region */
+ G7_PSTATE_MIRROR_REGION_ID = 7,
+ /* G7 Pstate Training Data */
+ G7_TRAINING_DATA_REGION_ID = 8,
+ /* Specific purpose memory region */
+ SPECIFIC_PURPOSE_REGION_ID = 9,
+ MEM_RESERVED_REGION_NUM,
+} MEM_RESERVED_REGION_ID;
+
+typedef struct mem_reserved_info_header {
+ /* Table Signature */
+ uint32_t signature;
+ /* Table Version */
+ uint32_t version;
+ uint32_t size;
+} mem_reserved_info_header;
+
+typedef struct mem_reserved_info {
+ /* enum of MEM_RESERVED_REGION_ID */
+ uint32_t reserved_region_id;
+ /* Memory Reserved Region Size */
+ uint64_t reserved_region_size;
+ /* Memory Reserved Region Start Address */
+ uint64_t reserved_region_start;
+} mem_reserved_info;
+
+typedef struct mem_reserved_info_table_v1_0 {
+ mem_reserved_info_header header;
+ uint32_t list_num;
+ mem_reserved_info list[MAX_MEM_REGION_NUM];
+} mem_reserved_info_table_v1_0;
+
#pragma pack()
#endif
--
2.55.0
