From: jsg <jsg@openbsd.org>
Date: Mon, 17 Jun 2024 07:26:39 +0000 (+0000)
Subject: drm/amdgpu/atomfirmware: add intergrated info v2.3 table
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c5a8dd449a8463797cda5644c2c51920732f7f08;p=openbsd

drm/amdgpu/atomfirmware: add intergrated info v2.3 table

From Li Ma
4eff07025c844dfeaab8adbb6fbb617775a42423 in linux-6.6.y/6.6.34
e64e8f7c178e5228e0b2dbb504b9dc75953a319f in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_atomfirmware.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_atomfirmware.c
index fb2681dd6b3..23651a9738c 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -211,6 +211,7 @@ union igp_info {
 	struct atom_integrated_system_info_v1_11 v11;
 	struct atom_integrated_system_info_v1_12 v12;
 	struct atom_integrated_system_info_v2_1 v21;
+	struct atom_integrated_system_info_v2_3 v23;
 };
 
 union umc_info {
@@ -359,6 +360,20 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 					if (vram_type)
 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 					break;
+				case 3:
+					mem_channel_number = igp_info->v23.umachannelnumber;
+					if (!mem_channel_number)
+						mem_channel_number = 1;
+					mem_type = igp_info->v23.memorytype;
+					if (mem_type == LpDdr5MemType)
+						mem_channel_width = 32;
+					else
+						mem_channel_width = 64;
+					if (vram_width)
+						*vram_width = mem_channel_number * mem_channel_width;
+					if (vram_type)
+						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+					break;
 				default:
 					return -EINVAL;
 				}
diff --git a/sys/dev/pci/drm/amd/include/atomfirmware.h b/sys/dev/pci/drm/amd/include/atomfirmware.h
index fa7d6ced786..c618edc3f4f 100644
--- a/sys/dev/pci/drm/amd/include/atomfirmware.h
+++ b/sys/dev/pci/drm/amd/include/atomfirmware.h
@@ -1625,6 +1625,49 @@ struct atom_integrated_system_info_v2_2
 	uint32_t  reserved4[189];
 };
 
+struct uma_carveout_option {
+  char       optionName[29];        //max length of string is 28chars + '\0'. Current design is for "minimum", "Medium", "High". This makes entire struct size 64bits
+  uint8_t    memoryCarvedGb;        //memory carved out with setting
+  uint8_t    memoryRemainingGb;     //memory remaining on system
+  union {
+    struct _flags {
+      uint8_t Auto     : 1;
+      uint8_t Custom   : 1;
+      uint8_t Reserved : 6;
+    } flags;
+    uint8_t all8;
+  } uma_carveout_option_flags;
+};
+
+struct atom_integrated_system_info_v2_3 {
+  struct  atom_common_table_header table_header;
+  uint32_t  vbios_misc; // enum of atom_system_vbiosmisc_def
+  uint32_t  gpucapinfo; // enum of atom_system_gpucapinf_def
+  uint32_t  system_config;
+  uint32_t  cpucapinfo;
+  uint16_t  gpuclk_ss_percentage; // unit of 0.001%,   1000 mean 1%
+  uint16_t  gpuclk_ss_type;
+  uint16_t  dpphy_override;  // bit vector, enum of atom_sysinfo_dpphy_override_def
+  uint8_t memorytype;       // enum of atom_dmi_t17_mem_type_def, APU memory type indication.
+  uint8_t umachannelnumber; // number of memory channels
+  uint8_t htc_hyst_limit;
+  uint8_t htc_tmp_limit;
+  uint8_t reserved1; // dp_ss_control
+  uint8_t gpu_package_id;
+  struct  edp_info_table  edp1_info;
+  struct  edp_info_table  edp2_info;
+  uint32_t  reserved2[8];
+  struct  atom_external_display_connection_info extdispconninfo;
+  uint8_t UMACarveoutVersion;
+  uint8_t UMACarveoutIndexMax;
+  uint8_t UMACarveoutTypeDefault;
+  uint8_t UMACarveoutIndexDefault;
+  uint8_t UMACarveoutType;           //Auto or Custom
+  uint8_t UMACarveoutIndex;
+  struct  uma_carveout_option UMASizeControlOption[20];
+  uint8_t reserved3[110];
+};
+
 // system_config
 enum atom_system_vbiosmisc_def{
   INTEGRATED_SYSTEM_INFO__GET_EDID_CALLBACK_FUNC_SUPPORT = 0x01,