diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2018-03-20 12:24:03 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-17 10:13:22 -0500 |
| commit | 59b0b509f1ae0c7ca54607f2770a1aec6e55d8dc (patch) | |
| tree | cda8d5c7025789000799177ecc52ec916aaffb31 /drivers/gpu/drm | |
| parent | 6f68711dd63522aab34c3e9513fa42a7586a95e5 (diff) | |
drm/amdgpu/atomfirmware: add parser for gfx_info table
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | 1 |
2 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index a0f48cb9b8f0..7014d5875d5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -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; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h index 7689c961c4ef..20f158fd3b76 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h @@ -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 |