drm/amdgpu: update gc info from bios table

Handle newer gc info tables.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c

@@ -653,6 +653,7 @@ int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
 union gfx_info {
 	struct atom_gfx_info_v2_4 v24;
 	struct atom_gfx_info_v2_7 v27;
+	struct atom_gfx_info_v3_0 v30;
 };
 
 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
@@ -668,6 +669,7 @@ int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
 				   &frev, &crev, &data_offset)) {
 		union gfx_info *gfx_info = (union gfx_info *)
 			(mode_info->atom_context->bios + data_offset);
+		if (frev == 2) {
 			switch (crev) {
 			case 4:
 				adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
@@ -706,6 +708,21 @@ int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
 			default:
 				return -EINVAL;
 			}
+		} else if (frev == 3) {
+			switch (crev) {
+			case 0:
+				adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines;
+				adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh;
+				adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se;
+				adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se;
+				adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches;
+				return 0;
+			default:
+				return -EINVAL;
+			}
+		} else {
+			return -EINVAL;
+		}
 
 	}
 	return -EINVAL;