diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 10 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 8 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index c2c7fb140338..67b6274e25c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -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; diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index d6b5a21f3d3c..dbfce2035b1f 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -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; |