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drm/amdgpu/mes10.1: upload mes ucode to gpu buffer 

Allocate GPU buffer and upload ucode firmware to the 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>
alistair/sunxi64-5.4-dsi
Jack Xiao 2019-04-12 18:53:35 +08:00 committed by Alex Deucher
parent 086981052b
commit 02b6114948
1 changed files with 34 additions and 0 deletions
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34
drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
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@ -21,7 +21,9 @@
*
*/
#include <linux/firmware.h>
#include "amdgpu.h"
#include "soc15_common.h"
MODULE_FIRMWARE("amdgpu/navi10_mes.bin");
@ -103,6 +105,38 @@ static void mes_v10_1_free_microcode(struct amdgpu_device *adev)
adev->mes.fw = NULL;
}
static int mes_v10_1_allocate_ucode_buffer(struct amdgpu_device *adev)
{
int r;
const struct mes_firmware_header_v1_0 *mes_hdr;
const __le32 *fw_data;
unsigned fw_size;
mes_hdr = (const struct mes_firmware_header_v1_0 *)
adev->mes.fw->data;
fw_data = (const __le32 *)(adev->mes.fw->data +
le32_to_cpu(mes_hdr->mes_ucode_offset_bytes));
fw_size = le32_to_cpu(mes_hdr->mes_ucode_size_bytes);
r = amdgpu_bo_create_reserved(adev, fw_size,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
&adev->mes.ucode_fw_obj,
&adev->mes.ucode_fw_gpu_addr,
(void **)&adev->mes.ucode_fw_ptr);
if (r) {
dev_err(adev->dev, "(%d) failed to create mes fw bo\n", r);
return r;
}
memcpy(adev->mes.ucode_fw_ptr, fw_data, fw_size);
amdgpu_bo_kunmap(adev->mes.ucode_fw_obj);
amdgpu_bo_unreserve(adev->mes.ucode_fw_obj);
return 0;
}
static int mes_v10_1_sw_init(void *handle)
{
return 0;