diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4421-drm-amdgpu-atomfirmware-add-parser-for-gfx_info-tabl.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4421-drm-amdgpu-atomfirmware-add-parser-for-gfx_info-tabl.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4421-drm-amdgpu-atomfirmware-add-parser-for-gfx_info-tabl.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4421-drm-amdgpu-atomfirmware-add-parser-for-gfx_info-tabl.patch new file mode 100644 index 00000000..c091b1e6 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4421-drm-amdgpu-atomfirmware-add-parser-for-gfx_info-tabl.patch @@ -0,0 +1,83 @@ +From 136824c9c5d1a828ce6619f1134318f2ca79e59f Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Tue, 20 Mar 2018 12:24:03 -0500 +Subject: [PATCH 4421/5725] drm/amdgpu/atomfirmware: add parser for gfx_info + table + +Add support for the gfx_info table on boards that use atomfirmware. + +Reviewed-by: Hawking Zhang <Hawking.Zhang> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 46 ++++++++++++++++++++++++ + drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | 1 + + 2 files changed, 47 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +index a0f48cb..7014d58 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 7689c96..20f158f 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 +-- +2.7.4 + |