Commit 976e51a7 authored by Nicholas Kazlauskas's avatar Nicholas Kazlauskas Committed by Alex Deucher
Browse files

drm/amdgpu: Add DMCUB to firmware query interface 



The DMCUB firmware version can be read using the AMDGPU_INFO ioctl
or the amdgpu_firmware_info debugfs entry.

Signed-off-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: default avatarHersen Wu <hersenxs.wu@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 743b9786

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

+12 −0
Original line number Diff line number Diff line
@@ -293,6 +293,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info, 
		fw_info->ver = adev->dm.dmcu_fw_version;

		fw_info->feature = 0;

		break;

	case AMDGPU_INFO_FW_DMCUB:

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

		fw_info->feature = 0;

		break;

	default:

		return -EINVAL;

	}
@@ -1390,6 +1394,14 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data) 
	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",

		   fw_info.feature, fw_info.ver);



	/* DMCUB */

	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;

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

	if (ret)

		return ret;

	seq_printf(m, "DMCUB 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

+3 −0
Original line number Diff line number Diff line
@@ -703,6 +703,9 @@ struct drm_amdgpu_cs_chunk_data { 
	/* Subquery id: Query DMCU firmware version */

	#define AMDGPU_INFO_FW_DMCU		0x12

	#define AMDGPU_INFO_FW_TA		0x13

	/* Subquery id: Query DMCUB firmware version */

	#define AMDGPU_INFO_FW_DMCUB		0x14



/* number of bytes moved for TTM migration */

#define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f

/* the used VRAM size */

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