mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
drm/amd/amdgpu: add info about vram and gtt max allocation 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:
parent
9f6163e7e3
commit
cfa32556e5
2 changed files with 26 additions and 0 deletions
|
@ -421,6 +421,24 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
|
|||
min((size_t)size, sizeof(vram_gtt_total)))
|
||||
? -EFAULT : 0;
|
||||
}
|
||||
case AMDGPU_INFO_VRAM_GTT_MAX: {
|
||||
struct drm_amdgpu_info_vram_gtt_max vram_gtt_max;
|
||||
u64 max_size;
|
||||
|
||||
max_size = adev->mc.real_vram_size - adev->vram_pin_size;
|
||||
vram_gtt_max.vram_max_size = max_size * 3 / 4;
|
||||
|
||||
max_size = adev->mc.visible_vram_size - (adev->vram_pin_size -
|
||||
adev->invisible_pin_size);
|
||||
vram_gtt_max.vram_cpu_accessible_max_size = max_size * 3 / 4;
|
||||
|
||||
max_size = adev->mc.gtt_size - adev->gart_pin_size;
|
||||
vram_gtt_max.gtt_max_size = max_size * 3 / 4;
|
||||
|
||||
return copy_to_user(out, &vram_gtt_max,
|
||||
min((size_t)size, sizeof(vram_gtt_max)))
|
||||
? -EFAULT : 0;
|
||||
}
|
||||
case AMDGPU_INFO_READ_MMR_REG: {
|
||||
unsigned n, alloc_size;
|
||||
uint32_t *regs;
|
||||
|
|
|
@ -489,6 +489,8 @@ struct drm_amdgpu_cs_chunk_data {
|
|||
#define AMDGPU_INFO_NUM_EVICTIONS 0x18
|
||||
/* Query the total size of VRAM and GTT domains */
|
||||
#define AMDGPU_INFO_VRAM_GTT_TOTAL 0x19
|
||||
/* Query the max allocation size of VRAM and GTT domains */
|
||||
#define AMDGPU_INFO_VRAM_GTT_MAX 0x1a
|
||||
|
||||
#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
|
||||
#define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff
|
||||
|
@ -580,6 +582,12 @@ struct drm_amdgpu_info_vram_gtt_total {
|
|||
__u64 gtt_total_size;
|
||||
};
|
||||
|
||||
struct drm_amdgpu_info_vram_gtt_max {
|
||||
__u64 vram_max_size;
|
||||
__u64 vram_cpu_accessible_max_size;
|
||||
__u64 gtt_max_size;
|
||||
};
|
||||
|
||||
struct drm_amdgpu_info_firmware {
|
||||
__u32 ver;
|
||||
__u32 feature;
|
||||
|
|
Loading…
Reference in a new issue