drm/amdgpu: temporarily read bounding box from gpu_info fw for navi12

The bounding box is still needed by Navi12, temporarily read it from gpu_info
firmware. Should be droped when DAL no longer needs it.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 15de344..1df28b7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1537,7 +1537,14 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 
        if (adev->discovery_bin) {
                amdgpu_discovery_get_gfx_info(adev);
-               return 0;
+
+               /*
+                * FIXME: The bounding box is still needed by Navi12, so
+                * temporarily read it from gpu_info firmware. Should be droped
+                * when DAL no longer needs it.
+                */
+               if (adev->asic_type != CHIP_NAVI12)
+                       return 0;
        }
 
        switch (adev->asic_type) {
@@ -1627,6 +1634,12 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
                        (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data +
                                                                le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 
+               /*
+                * Should be droped when DAL no longer needs it.
+                */
+               if (adev->asic_type == CHIP_NAVI12)
+                       goto parse_soc_bounding_box;
+
                adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se);
                adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh);
                adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se);
@@ -1655,6 +1668,7 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
                                le32_to_cpu(gpu_info_fw->num_packer_per_sc);
                }
 
+parse_soc_bounding_box:
                /*
                 * soc bounding box info is not integrated in disocovery table,
                 * we always need to parse it from gpu info firmware if needed.