[PATCH] drm/amdgpu/vg20:support new UVD FW version naming convention

[Christian König]

Am 06.06.2018 um 20:59 schrieb James Zhu:
> Vega20 UVD Firmware has a new version naming convention:
>    [31, 30] for encode interface major
>    [29, 24] for encode interface minor
>    [15, 8] for firmware revision
>    [7, 0] for hardware family id
> Inside kernel log UVD firmware Version: 1.1.2 (denote major.minor.revision)
>
> Signed-off-by: James Zhu <James.Zhu at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 19 +++++++++++++++----
>   1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index bcf68f8..575aff1b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -208,10 +208,21 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
>   
>   	hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
>   	family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
> -	version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
> -	version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> -	DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
> -		version_major, version_minor, family_id);
> +
> +	if (adev->asic_type != CHIP_VEGA20) {

I think it would be better to use "< CHIP_VEGA20" here.

Apart from that looks good to me, but Leo should have the last word.

Thanks,
Christian.

> +		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
> +		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> +		DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
> +			version_major, version_minor, family_id);
> +	} else {
> +		unsigned int fw_rev;
> +
> +		fw_rev = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> +		version_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
> +		version_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
> +		DRM_INFO("Found UVD firmware Version: %hu.%hu.%hu Family ID: %hu\n",
> +			version_major, version_minor, fw_rev, family_id);
> +	}
>   
>   	/*
>   	 * Limit the number of UVD handles depending on microcode major