drm/amd/powerplay: init microcode for smu11

Add function of init mircrocode for smu11.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index a4fdc54ea5e26da0d86bc4502545b202aa9a2db5..57cd3b9111c08452ce4e38045a15cc49cfa3324b 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -26,11 +26,56 @@
 #include "amdgpu_smu.h"
 #include "smu_v11_0.h"
 
+MODULE_FIRMWARE("amdgpu/vega20_smc.bin");
+
 static int smu_v11_0_init_microcode(struct smu_context *smu)
 {
        struct amdgpu_device *adev = smu->adev;
+       const char *chip_name;
+       char fw_name[30];
+       int err = 0;
+       const struct smc_firmware_header_v1_0 *hdr;
+       const struct common_firmware_header *header;
+       struct amdgpu_firmware_info *ucode = NULL;
 
-       return 0;
+       switch (adev->asic_type) {
+       case CHIP_VEGA20:
+               chip_name = "vega20";
+               break;
+       default:
+               BUG();
+       }
+
+       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_smc.bin", chip_name);
+
+       err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
+       if (err)
+               goto out;
+       err = amdgpu_ucode_validate(adev->pm.fw);
+       if (err)
+               goto out;
+
+       hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
+       amdgpu_ucode_print_smc_hdr(&hdr->header);
+       adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
+
+       if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+               ucode = &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
+               ucode->ucode_id = AMDGPU_UCODE_ID_SMC;
+               ucode->fw = adev->pm.fw;
+               header = (const struct common_firmware_header *)ucode->fw->data;
+               adev->firmware.fw_size +=
+                       ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
+       }
+
+out:
+       if (err) {
+               DRM_ERROR("smu_v11_0: Failed to load firmware \"%s\"\n",
+                         fw_name);
+               release_firmware(adev->pm.fw);
+               adev->pm.fw = NULL;
+       }
+       return err;
 }
 
 static int smu_v11_0_load_microcode(struct smu_context *smu)