AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-21 12:19:08 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amdgpu: cleanup VM dw estimation a bit

Browse Source 
No functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2019-01-30 14:09:29 +01:00 committed by Alex Deucher
parent 90d647222a
commit 1b52f2d567
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -1806,13 +1806,12 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
/*
* reserve space for two commands every (1 << BLOCK_SIZE)
* entries or 2k dwords (whatever is smaller)
*
* The second command is for the shadow pagetables.
*/
ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1);
/* The second command is for the shadow pagetables. */
if (vm->root.base.bo->shadow)
ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1) * 2;
else
ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1);
ncmds *= 2;
/* padding, etc. */
ndw = 64;
@ -1831,10 +1830,11 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
ndw += ncmds * 10;
/* extra commands for begin/end fragments */
ncmds = 2 * adev->vm_manager.fragment_size;
if (vm->root.base.bo->shadow)
ndw += 2 * 10 * adev->vm_manager.fragment_size * 2;
else
ndw += 2 * 10 * adev->vm_manager.fragment_size;
ncmds *= 2;
ndw += 10 * ncmds;
params.func = amdgpu_vm_do_set_ptes;
}