drm/amdgpu/mes10.1: load mes firmware file to CPU buffer

It requests MES firmware binary and uploads to CPU buffer.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 2e65573..c799b0c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -23,6 +23,8 @@
 
 #include "amdgpu.h"
 
+MODULE_FIRMWARE("amdgpu/navi10_mes.bin");
+
 static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
                                  struct mes_add_queue_input *input)
 {
@@ -54,6 +56,47 @@ static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
        .resume_gang = mes_v10_1_resume_gang,
 };
 
+static int mes_v10_1_init_microcode(struct amdgpu_device *adev)
+{
+       const char *chip_name;
+       char fw_name[30];
+       int err;
+       const struct mes_firmware_header_v1_0 *mes_hdr;
+
+       switch (adev->asic_type) {
+       case CHIP_NAVI10:
+               chip_name = "navi10";
+               break;
+       default:
+               BUG();
+       }
+
+       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin", chip_name);
+       err = request_firmware(&adev->mes.fw, fw_name, adev->dev);
+       if (err)
+               return err;
+
+       err = amdgpu_ucode_validate(adev->mes.fw);
+       if (err) {
+               release_firmware(adev->mes.fw);
+               adev->mes.fw = NULL;
+               return err;
+       }
+
+       mes_hdr = (const struct mes_firmware_header_v1_0 *)adev->mes.fw->data;
+       adev->mes.ucode_fw_version = le32_to_cpu(mes_hdr->mes_ucode_version);
+       adev->mes.ucode_fw_version =
+               le32_to_cpu(mes_hdr->mes_ucode_data_version);
+       adev->mes.uc_start_addr =
+               le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) |
+               ((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
+       adev->mes.data_start_addr =
+               le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
+               ((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);
+
+       return 0;
+}
+
 static int mes_v10_1_sw_init(void *handle)
 {
        return 0;