On 2020-06-02 10:07 p.m., Tianci Yin wrote:
> From: "Tianci.Yin" <[email protected]>
>
> The bounding box is still needed by Navi12, temporarily read it from gpu_info
> firmware. Should be droped when DAL no longer needs it.
>
> Change-Id: Ifc330ec860f9b0665134a81df2fc80ca91c41a33
> Reviewed-by: Alex Deucher <[email protected]>
> Reviewed-by: Xiaojie Yuan <[email protected]>
> Signed-off-by: Tianci.Yin <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 15de344438d2..1df28b7bf22e 100644
> --- 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
Spelling: "dropped"
> + * 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.
Add "FIXME" here as well.
Spelling: "dropped".
Regards,
Luben
> + */
> + 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.
>
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