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

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Junwei Zhang 2016-09-21 10:17:22 +08:00 committed by Alex Deucher
parent 46c9cc11a5
commit 9f6163e7e3
2 changed files with 18 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -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;

8
include/uapi/drm/amdgpu_drm.h
View File

@ -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;