diff options
| author | Christian König <christian.koenig@amd.com> | 2016-08-24 15:51:49 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:16 -0400 |
| commit | 6a7f76e70fac0b1d41e7c5e193c33b1ee7e902c6 (patch) | |
| tree | 1ef1f56a79e71583af76aaf2cf57ebc044a2c4c5 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 8892f153c83e521aff2ee7ac620856e2983cd7a0 (diff) | |
drm/amdgpu: add VRAM manager v2
Split VRAM allocations into 4MB blocks.
v2: fix typo in comment, some suggested cleanups
v3: document how to disable the feature, fix rebase issue
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 246bbd1ab5ec..9df66d1e843d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1052,6 +1052,13 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) amdgpu_vm_block_size); amdgpu_vm_block_size = 9; } + + if ((amdgpu_vram_page_split != -1 && amdgpu_vram_page_split < 16) || + !amdgpu_check_pot_argument(amdgpu_vram_page_split)) { + dev_warn(adev->dev, "invalid VRAM page split (%d)\n", + amdgpu_vram_page_split); + amdgpu_vram_page_split = 1024; + } } /** |