1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 3b469eab31a9..9df1bcb35bf0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -684,6 +684,36 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
         return ret;
 }
 
+union gfx_info {
+        ATOM_GFX_INFO_V2_1 info;
+};
+
+int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev)
+{
+        struct amdgpu_mode_info *mode_info = &adev->mode_info;
+        int index = GetIndexIntoMasterTable(DATA, GFX_Info);
+        uint8_t frev, crev;
+        uint16_t data_offset;
+        int ret = -EINVAL;
+
+        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);
+
+                adev->gfx.config.max_shader_engines = gfx_info->info.max_shader_engines;
+                adev->gfx.config.max_tile_pipes = gfx_info->info.max_tile_pipes;
+                adev->gfx.config.max_cu_per_sh = gfx_info->info.max_cu_per_sh;
+                adev->gfx.config.max_sh_per_se = gfx_info->info.max_sh_per_se;
+                adev->gfx.config.max_backends_per_se = gfx_info->info.max_backends_per_se;
+                adev->gfx.config.max_texture_channel_caches =
+                        gfx_info->info.max_texture_channel_caches;
+
+                ret = 0;
+        }
+        return ret;
+}
+
 union igp_info {
         struct _ATOM_INTEGRATED_SYSTEM_INFO info;
         struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;