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

Zhu, Changfeng Changfeng.Zhu at amd.com
Thu Sep 3 15:19:48 UTC 2020


[AMD Public Use]


[AMD Public Use]


Thanks, Lakha.

BR,
Changfeng.

From: Lakha, Bhawanpreet <Bhawanpreet.Lakha at amd.com>
Sent: Thursday, September 3, 2020 11:07 PM
To: Deucher, Alexander <Alexander.Deucher at amd.com>; Zhu, Changfeng <Changfeng.Zhu at amd.com>; amd-gfx at lists.freedesktop.org; Huang, Ray <Ray.Huang at amd.com>
Subject: Re: [PATCH] drm/amdgpu: add ta firmware load in psp_v12_0 for renoir


[AMD Public Use]

Hi Alex,

psp_sw_fini() releases the ta firmware



Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com<mailto:Bhawanpreet.Lakha at amd.com>>






________________________________
From: Deucher, Alexander <Alexander.Deucher at amd.com<mailto:Alexander.Deucher at amd.com>>
Sent: September 2, 2020 10:18 AM
To: Zhu, Changfeng <Changfeng.Zhu at amd.com<mailto:Changfeng.Zhu at amd.com>>; amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org> <amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org>>; Huang, Ray <Ray.Huang at amd.com<mailto:Ray.Huang at amd.com>>; Lakha, Bhawanpreet <Bhawanpreet.Lakha at amd.com<mailto:Bhawanpreet.Lakha at amd.com>>
Subject: Re: [PATCH] drm/amdgpu: add ta firmware load in psp_v12_0 for renoir


[AMD Public Use]

We also need to release the firmware when the driver unloads or is that already handled in some common path?

Alex

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org<mailto:amd-gfx-bounces at lists.freedesktop.org>> on behalf of Changfeng.Zhu <changfeng.zhu at amd.com<mailto:changfeng.zhu at amd.com>>
Sent: Tuesday, September 1, 2020 10:25 PM
To: amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org> <amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org>>; Huang, Ray <Ray.Huang at amd.com<mailto:Ray.Huang at amd.com>>; Lakha, Bhawanpreet <Bhawanpreet.Lakha at amd.com<mailto:Bhawanpreet.Lakha at amd.com>>
Cc: Zhu, Changfeng <Changfeng.Zhu at amd.com<mailto:Changfeng.Zhu at amd.com>>
Subject: [PATCH] drm/amdgpu: add ta firmware load in psp_v12_0 for renoir

From: changzhu <Changfeng.Zhu at amd.com<mailto:Changfeng.Zhu at amd.com>>

From: Changfeng <Changfeng.Zhu at amd.com<mailto:Changfeng.Zhu at 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.Zhu at amd.com<mailto:Changfeng.Zhu at 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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