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

[Bhawanpreet Lakha]

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