[PATCH] drm/amd/display: Load TA firmware for navi10/12/14

[Bhawanpreet Lakha]

Hey Harry can you please take a look thanks

On 2019-11-08 5:01 p.m., Deucher, Alexander wrote:
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> ------------------------------------------------------------------------
> *From:* amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of 
> Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
> *Sent:* Friday, November 8, 2019 4:57 PM
> *To:* amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
> *Cc:* Lakha, Bhawanpreet <Bhawanpreet.Lakha at amd.com>
> *Subject:* [PATCH] drm/amd/display: Load TA firmware for navi10/12/14
> load the ta firmware for navi10/12/14.
> This is already being done for raven/picasso and
> is needed for supporting hdcp on navi
>
> Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c 
> b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> index ffeaa2f5588d..daf11be5416f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> @@ -186,6 +186,31 @@ static int psp_v11_0_init_microcode(struct 
> psp_context *psp)
>          case CHIP_NAVI10:
>          case CHIP_NAVI14:
>          case CHIP_NAVI12:
> +               snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", 
> chip_name);
> +               err = request_firmware(&adev->psp.ta_fw, fw_name, 
> adev->dev);
> +               if (err) {
> + release_firmware(adev->psp.ta_fw);
> +                       adev->psp.ta_fw = NULL;
> +                       dev_info(adev->dev,
> +                                "psp v11.0: Failed to load firmware 
> \"%s\"\n", fw_name);
> +               } else {
> +                       err = amdgpu_ucode_validate(adev->psp.ta_fw);
> +                       if (err)
> +                               goto out2;
> +
> +                       ta_hdr = (const struct ta_firmware_header_v1_0 
> *)adev->psp.ta_fw->data;
> +                       adev->psp.ta_hdcp_ucode_version = 
> le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
> +                       adev->psp.ta_hdcp_ucode_size = 
> le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
> +                       adev->psp.ta_hdcp_start_addr = (uint8_t *)ta_hdr +
> + le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
> +
> +                       adev->psp.ta_fw_version = 
> le32_to_cpu(ta_hdr->header.ucode_version);
> +
> +                       adev->psp.ta_dtm_ucode_version = 
> le32_to_cpu(ta_hdr->ta_dtm_ucode_version);
> +                       adev->psp.ta_dtm_ucode_size = 
> le32_to_cpu(ta_hdr->ta_dtm_size_bytes);
> +                       adev->psp.ta_dtm_start_addr = (uint8_t 
> *)adev->psp.ta_hdcp_start_addr +
> + le32_to_cpu(ta_hdr->ta_dtm_offset_bytes);
> +               }
>                  break;
>          default:
>                  BUG();
> -- 
> 2.17.1
>
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