From: Hawking Zhang <hawking.zh...@amd.com>
Query vram_type, channel_num, channel_width
information through atomfirmware i/f
Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
Reviewed-by: Feifei Xu <feifei...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
.../gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 21 +++++++++++++++++++
drivers/gpu/drm/amd/include/atomfirmware.h | 16 ++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 6107ac91db25..266d949759fe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -123,6 +123,7 @@ union vram_info {
struct atom_vram_info_header_v2_3 v23;
struct atom_vram_info_header_v2_4 v24;
struct atom_vram_info_header_v2_5 v25;
+ struct atom_vram_info_header_v2_5 v26;
};
union vram_module {
@@ -315,6 +316,26 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device
*adev,
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
+ case 6:
+ if (module_id > vram_info->v26.vram_module_num)
+ module_id = 0;
+ vram_module = (union vram_module
*)vram_info->v26.vram_module;
+ while (i < module_id) {
+ vram_module = (union vram_module *)
+ ((u8 *)vram_module +
vram_module->v11.vram_module_size);
+ i++;
+ }
+ mem_type = vram_module->v9.memory_type;
+ if (vram_type)
+ *vram_type =
convert_atom_mem_type_to_vram_type(adev, mem_type);
+ mem_channel_number =
vram_module->v9.channel_num;
+ mem_channel_width =
vram_module->v9.channel_width;
+ if (vram_width)
+ *vram_width = mem_channel_number * (1
<< mem_channel_width);
+ mem_vendor = (vram_module->v9.vender_rev_id) &
0xF;
+ if (vram_vendor)
+ *vram_vendor = mem_vendor;
+ break;
default:
return -EINVAL;
}
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h
b/drivers/gpu/drm/amd/include/atomfirmware.h
index 3cb8d4c5c1a3..ec43a4fb761a 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -2789,6 +2789,22 @@ struct atom_vram_info_header_v2_5 {
struct atom_vram_module_v11 vram_module[16]; // just for
allocation, real number of blocks is in ucNumOfVRAMModule;
};
+struct atom_vram_info_header_v2_6 {
+ struct atom_common_table_header table_header;
+ uint16_t mem_adjust_tbloffset;
+ uint16_t mem_clk_patch_tbloffset;
+ uint16_t mc_adjust_pertile_tbloffset;
+ uint16_t mc_phyinit_tbloffset;
+ uint16_t dram_data_remap_tbloffset;
+ uint16_t tmrs_seq_offset;
+ uint16_t post_ucode_init_offset;
+ uint16_t vram_rsd2;
+ uint8_t vram_module_num;
+ uint8_t umcip_min_ver;
+ uint8_t umcip_max_ver;
+ uint8_t mc_phy_tile_num;
+ struct atom_vram_module_v9 vram_module[16];
+};
/*
***************************************************************************
Data Table voltageobject_info structure
--
2.29.2
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