Commit 4d11b4b2 authored by David Francis's avatar David Francis Committed by Alex Deucher
Browse files

drm/amdgpu: Add DMCU to firmware query interface 



DMCU firmware version can be read using the AMDGPU_INFO ioctl
or the amdgpu_firmware_info debugfs entry

Signed-off-by: default avatarDavid Francis <David.Francis@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ee6e89c0

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

+12 −0
Original line number Diff line number Diff line
@@ -257,6 +257,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info, 
		fw_info->ver = adev->psp.asd_fw_version;

		fw_info->feature = adev->psp.asd_feature_version;

		break;

	case AMDGPU_INFO_FW_DMCU:

		fw_info->ver = adev->dm.dmcu_fw_version;

		fw_info->feature = 0;

		break;

	default:

		return -EINVAL;

	}
@@ -1295,6 +1299,14 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data) 
	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",

		   fw_info.feature, fw_info.ver);



	/* DMCU */

	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;

	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);

	if (ret)

		return ret;

	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",

		   fw_info.feature, fw_info.ver);





	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);

include/uapi/drm/amdgpu_drm.h

+2 −0
Original line number Diff line number Diff line
@@ -665,6 +665,8 @@ struct drm_amdgpu_cs_chunk_data { 
	#define AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM 0x10

	/* Subquery id: Query GFX RLC SRLS firmware version */

	#define AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM 0x11

	/* Subquery id: Query DMCU firmware version */

	#define AMDGPU_INFO_FW_DMCU		0x12

/* number of bytes moved for TTM migration */

#define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f

/* the used VRAM size */

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