[PATCH 2/5] drm/amdgpu: support query vram_info v3_0
Alex Deucher
alexander.deucher at amd.com
Tue Apr 26 18:29:17 UTC 2022
From: Hawking Zhang <Hawking.Zhang at amd.com>
vram_info table provides various vram information
including vram_vendor, vram_type, vram_width, etc.
v2: correct the calculation of vram_width
Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Likun Gao <Likun.Gao at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
.../gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 190 ++++++++++--------
1 file changed, 110 insertions(+), 80 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index d27323ccc5f9..6034578cf57f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -162,12 +162,14 @@ union vram_info {
struct atom_vram_info_header_v2_4 v24;
struct atom_vram_info_header_v2_5 v25;
struct atom_vram_info_header_v2_6 v26;
+ struct atom_vram_info_header_v3_0 v30;
};
union vram_module {
struct atom_vram_module_v9 v9;
struct atom_vram_module_v10 v10;
struct atom_vram_module_v11 v11;
+ struct atom_vram_module_v3_0 v30;
};
static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
@@ -294,88 +296,116 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
vram_info = (union vram_info *)
(mode_info->atom_context->bios + data_offset);
module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
- switch (crev) {
- case 3:
- if (module_id > vram_info->v23.vram_module_num)
- module_id = 0;
- vram_module = (union vram_module *)vram_info->v23.vram_module;
- while (i < module_id) {
- vram_module = (union vram_module *)
- ((u8 *)vram_module + vram_module->v9.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;
- case 4:
- if (module_id > vram_info->v24.vram_module_num)
- module_id = 0;
- vram_module = (union vram_module *)vram_info->v24.vram_module;
- while (i < module_id) {
- vram_module = (union vram_module *)
- ((u8 *)vram_module + vram_module->v10.vram_module_size);
- i++;
- }
- mem_type = vram_module->v10.memory_type;
- if (vram_type)
- *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
- mem_channel_number = vram_module->v10.channel_num;
- mem_channel_width = vram_module->v10.channel_width;
- if (vram_width)
- *vram_width = mem_channel_number * (1 << mem_channel_width);
- mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
- if (vram_vendor)
- *vram_vendor = mem_vendor;
- break;
- case 5:
- if (module_id > vram_info->v25.vram_module_num)
- module_id = 0;
- vram_module = (union vram_module *)vram_info->v25.vram_module;
- while (i < module_id) {
- vram_module = (union vram_module *)
- ((u8 *)vram_module + vram_module->v11.vram_module_size);
- i++;
+ if (frev == 3) {
+ switch (crev) {
+ /* v30 */
+ case 0:
+ vram_module = (union vram_module *)vram_info->v30.vram_module;
+ mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
+ if (vram_vendor)
+ *vram_vendor = mem_vendor;
+ mem_type = vram_info->v30.memory_type;
+ if (vram_type)
+ *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+ mem_channel_number = vram_info->v30.channel_num;
+ mem_channel_width = vram_info->v30.channel_width;
+ if (vram_width)
+ *vram_width = mem_channel_number * mem_channel_width;
+ break;
+ default:
+ return -EINVAL;
}
- mem_type = vram_module->v11.memory_type;
- if (vram_type)
- *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
- mem_channel_number = vram_module->v11.channel_num;
- mem_channel_width = vram_module->v11.channel_width;
- if (vram_width)
- *vram_width = mem_channel_number * (1 << mem_channel_width);
- mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
- 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->v9.vram_module_size);
- i++;
+ } else if (frev == 2) {
+ switch (crev) {
+ /* v23 */
+ case 3:
+ if (module_id > vram_info->v23.vram_module_num)
+ module_id = 0;
+ vram_module = (union vram_module *)vram_info->v23.vram_module;
+ while (i < module_id) {
+ vram_module = (union vram_module *)
+ ((u8 *)vram_module + vram_module->v9.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;
+ /* v24 */
+ case 4:
+ if (module_id > vram_info->v24.vram_module_num)
+ module_id = 0;
+ vram_module = (union vram_module *)vram_info->v24.vram_module;
+ while (i < module_id) {
+ vram_module = (union vram_module *)
+ ((u8 *)vram_module + vram_module->v10.vram_module_size);
+ i++;
+ }
+ mem_type = vram_module->v10.memory_type;
+ if (vram_type)
+ *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+ mem_channel_number = vram_module->v10.channel_num;
+ mem_channel_width = vram_module->v10.channel_width;
+ if (vram_width)
+ *vram_width = mem_channel_number * (1 << mem_channel_width);
+ mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
+ if (vram_vendor)
+ *vram_vendor = mem_vendor;
+ break;
+ /* v25 */
+ case 5:
+ if (module_id > vram_info->v25.vram_module_num)
+ module_id = 0;
+ vram_module = (union vram_module *)vram_info->v25.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->v11.memory_type;
+ if (vram_type)
+ *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+ mem_channel_number = vram_module->v11.channel_num;
+ mem_channel_width = vram_module->v11.channel_width;
+ if (vram_width)
+ *vram_width = mem_channel_number * (1 << mem_channel_width);
+ mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
+ if (vram_vendor)
+ *vram_vendor = mem_vendor;
+ break;
+ /* v26 */
+ 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->v9.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;
}
- 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:
+ } else {
+ /* invalid frev */
return -EINVAL;
}
}
--
2.35.1
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