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Commit 9f6163e7 authored by Junwei Zhang's avatar Junwei Zhang Committed by Alex Deucher
Browse files

drm/amd/amdgpu: add info about vram and gtt total size 



Signed-off-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 46c9cc11

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

+10 −0
Original line number Diff line number Diff line
@@ -411,6 +411,16 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file 
		return copy_to_user(out, &vram_gtt,

				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;

	}

	case AMDGPU_INFO_VRAM_GTT_TOTAL: {

		struct drm_amdgpu_info_vram_gtt_total vram_gtt_total;



		vram_gtt_total.vram_total_size = adev->mc.real_vram_size;

		vram_gtt_total.vram_cpu_accessible_total_size = adev->mc.visible_vram_size;

		vram_gtt_total.gtt_total_size = adev->mc.gtt_size;

		return copy_to_user(out, &vram_gtt_total,

				    min((size_t)size, sizeof(vram_gtt_total)))

				    ? -EFAULT : 0;

	}

	case AMDGPU_INFO_READ_MMR_REG: {

		unsigned n, alloc_size;

		uint32_t *regs;

include/uapi/drm/amdgpu_drm.h

+8 −0
Original line number Diff line number Diff line
@@ -487,6 +487,8 @@ struct drm_amdgpu_cs_chunk_data { 
#define AMDGPU_INFO_VIS_VRAM_USAGE		0x17

/* number of TTM buffer evictions */

#define AMDGPU_INFO_NUM_EVICTIONS		0x18

/* Query the total size of VRAM and GTT domains */

#define AMDGPU_INFO_VRAM_GTT_TOTAL		0x19



#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT	0

#define AMDGPU_INFO_MMR_SE_INDEX_MASK	0xff
@@ -572,6 +574,12 @@ struct drm_amdgpu_info_vram_gtt { 
	__u64 gtt_size;

};



struct drm_amdgpu_info_vram_gtt_total {

	__u64 vram_total_size;

	__u64 vram_cpu_accessible_total_size;

	__u64 gtt_total_size;

};



struct drm_amdgpu_info_firmware {

	__u32 ver;

	__u32 feature;