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| author | Christian König <christian.koenig@amd.com> | 2016-08-12 12:59:59 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-16 10:44:34 -0400 |
| commit | 96105e5375892f63cc56fa707a1db0d74abc764d (patch) | |
| tree | a217f3deefda61d3f50194afc41c9ccc1ab43e0a /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | dc157c6daa317c75058def8f9753909e5224cbec (diff) | |
| download | linux-96105e5375892f63cc56fa707a1db0d74abc764d.tar.bz2 | |
drm/amdgpu: stop splitting PTE commands into smaller ones
It doesn't make much sense to create bigger commands first which we then need
to split into smaller one again. Just make sure the commands we create aren't
to big in the first place.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 387b4979f45a..1a7e05da470e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -833,6 +833,9 @@ struct amdgpu_ring { /* maximum number of VMIDs */ #define AMDGPU_NUM_VM 16 +/* Maximum number of PTEs the hardware can write with one command */ +#define AMDGPU_VM_MAX_UPDATE_SIZE 0x3FFFF + /* number of entries in page table */ #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size) |