drm/amdgpu/mes10.1: upload mes ucode to gpu buffer (02b61149) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/mes_v10_1.c

+34 −0

Original line number	Diff line number	Diff line
		@@ -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;