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drm/amdgpu/atomfirmware: add parser for gfx_info table

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Add support for the gfx_info table on boards that use atomfirmware.

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-03-20 12:24:03 -05:00
parent 6f68711dd6
commit 59b0b509f1
2 changed files with 47 additions and 0 deletions
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46
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
View File

@ -322,3 +322,49 @@ int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
return ret;
}
union gfx_info {
struct atom_gfx_info_v2_4 v24;
};
int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
{
struct amdgpu_mode_info *mode_info = &adev->mode_info;
int index;
uint8_t frev, crev;
uint16_t data_offset;
index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
gfx_info);
if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset)) {
union gfx_info *gfx_info = (union gfx_info *)
(mode_info->atom_context->bios + data_offset);
switch (crev) {
case 4:
adev->gfx.config.max_shader_engines = gfx_info->v24.gc_num_se;
adev->gfx.config.max_cu_per_sh = gfx_info->v24.gc_num_cu_per_sh;
adev->gfx.config.max_sh_per_se = gfx_info->v24.gc_num_sh_per_se;
adev->gfx.config.max_backends_per_se = gfx_info->v24.gc_num_rb_per_se;
adev->gfx.config.max_texture_channel_caches = gfx_info->v24.gc_num_tccs;
adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
adev->gfx.config.gs_prim_buffer_depth =
le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
adev->gfx.config.double_offchip_lds_buf =
gfx_info->v24.gc_double_offchip_lds_buffer;
adev->gfx.cu_info.wave_front_size = gfx_info->v24.gc_wave_size;
adev->gfx.cu_info.max_waves_per_simd =
le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
adev->gfx.cu_info.max_scratch_slots_per_cu =
gfx_info->v24.gc_max_scratch_slots_per_cu;
adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
return 0;
default:
return -EINVAL;
}
}
return -EINVAL;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
View File

@ -30,5 +30,6 @@ int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_vram_width(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev);
int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev);
#endif