Commit 2502af90 authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
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drm/amdgpu: support S&R fw load for gfx v12 



Support Save & Restore related fw load with backdoor RLC
autoload type on gfx v12.

Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 36b2ce47

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

+16 −0
Original line number Diff line number Diff line
@@ -915,6 +915,7 @@ gfx_v12_0_rlc_backdoor_autoload_copy_gfx_ucode(struct amdgpu_device *adev) 
	uint32_t fw_size;

	const struct gfx_firmware_header_v2_0 *cpv2_hdr;

	const struct rlc_firmware_header_v2_0 *rlc_hdr;

	const struct rlc_firmware_header_v2_1 *rlcv21_hdr;

	const struct rlc_firmware_header_v2_2 *rlcv22_hdr;

	uint16_t version_major, version_minor;
@@ -986,6 +987,21 @@ gfx_v12_0_rlc_backdoor_autoload_copy_gfx_ucode(struct amdgpu_device *adev) 
	version_major = le16_to_cpu(rlc_hdr->header.header_version_major);

	version_minor = le16_to_cpu(rlc_hdr->header.header_version_minor);

	if (version_major == 2) {

		if (version_minor >= 1) {

			rlcv21_hdr = (const struct rlc_firmware_header_v2_1 *)adev->gfx.rlc_fw->data;



			fw_data = (const __le32 *)(adev->gfx.rlc_fw->data +

					le32_to_cpu(rlcv21_hdr->save_restore_list_gpm_offset_bytes));

			fw_size = le32_to_cpu(rlcv21_hdr->save_restore_list_gpm_size_bytes);

			gfx_v12_0_rlc_backdoor_autoload_copy_ucode(adev, SOC24_FIRMWARE_ID_RLCG_SCRATCH,

						   fw_data, fw_size);



			fw_data = (const __le32 *)(adev->gfx.rlc_fw->data +

					le32_to_cpu(rlcv21_hdr->save_restore_list_srm_offset_bytes));

			fw_size = le32_to_cpu(rlcv21_hdr->save_restore_list_srm_size_bytes);

			gfx_v12_0_rlc_backdoor_autoload_copy_ucode(adev, SOC24_FIRMWARE_ID_RLC_SRM_ARAM,

						   fw_data, fw_size);

		}

		if (version_minor >= 2) {

			rlcv22_hdr = (const struct rlc_firmware_header_v2_2 *)adev->gfx.rlc_fw->data;