[PATCH] drm/amdgpu: add ta firmware load in psp_v12_0 for renoir

[Changfeng.Zhu]

From: changzhu <changfeng....@amd.com>

From: Changfeng <changfeng....@amd.com>

It needs to load renoir_ta firmware because hdcp is enabled by default
for renoir now. This can avoid error:DTM TA is not initialized

Change-Id: Ib2f03a531013e4b432c2e9d4ec3dc021b4f8da7d
Signed-off-by: Changfeng <changfeng....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/psp_v12_0.c | 54 ++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c 
b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
index 6c9614f77d33..75489313dbad 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
@@ -38,6 +38,8 @@
 #include "oss/osssys_4_0_sh_mask.h"
 
 MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
+MODULE_FIRMWARE("amdgpu/renoir_ta.bin");
+
 /* address block */
 #define smnMP1_FIRMWARE_FLAGS          0x3010024
 
@@ -45,7 +47,10 @@ static int psp_v12_0_init_microcode(struct psp_context *psp)
 {
        struct amdgpu_device *adev = psp->adev;
        const char *chip_name;
+       char fw_name[30];
        int err = 0;
+       const struct ta_firmware_header_v1_0 *ta_hdr;
+       DRM_DEBUG("\n");
 
        switch (adev->asic_type) {
        case CHIP_RENOIR:
@@ -56,6 +61,55 @@ static int psp_v12_0_init_microcode(struct psp_context *psp)
        }
 
        err = psp_init_asd_microcode(psp, chip_name);
+       if (err)
+               goto out;
+
+       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 v12.0: 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);
+       }
+
+       return 0;
+
+out2:
+       release_firmware(adev->psp.ta_fw);
+       adev->psp.ta_fw = NULL;
+out:
+       if (err) {
+               dev_err(adev->dev,
+                       "psp v12.0: Failed to load firmware \"%s\"\n",
+                       fw_name);
+       }
+
        return err;
 }
 
-- 
2.17.1

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