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drm/amdgpu: add AMDGPU_INFO_NUM_EVICTIONS

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For profiling.

v2: really bump the minor version

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2016-08-17 23:58:58 +02:00 committed by Alex Deucher
parent 53cdccd520
commit 83a59b6338
3 changed files with 7 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@ -53,9 +53,10 @@
* - 3.2.0 - GFX8: Uses EOP_TC_WB_ACTION_EN, so UMDs don't have to do the same
* at the end of IBs.
* - 3.3.0 - Add VM support for UVD on supported hardware.
* - 3.4.0 - Add AMDGPU_INFO_NUM_EVICTIONS.
*/
#define KMS_DRIVER_MAJOR 3
#define KMS_DRIVER_MINOR 3
#define KMS_DRIVER_MINOR 4
#define KMS_DRIVER_PATCHLEVEL 0
int amdgpu_vram_limit = 0;

3
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -373,6 +373,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
case AMDGPU_INFO_NUM_BYTES_MOVED:
ui64 = atomic64_read(&adev->num_bytes_moved);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_NUM_EVICTIONS:
ui64 = atomic64_read(&adev->num_evictions);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VRAM_USAGE:
ui64 = atomic64_read(&adev->vram_usage);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;

2
include/uapi/drm/amdgpu_drm.h
View File

@ -485,6 +485,8 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_DEV_INFO 0x16
/* visible vram usage */
#define AMDGPU_INFO_VIS_VRAM_USAGE 0x17
/* number of TTM buffer evictions */
#define AMDGPU_INFO_NUM_EVICTIONS 0x18
#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
#define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff