diff options
| author | John Brooks <john@fastquake.com> | 2017-06-27 22:33:17 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 11:06:32 -0400 |
| commit | 218b5dcde4d30e071eec4201a36af665ccfa7e1c (patch) | |
| tree | 0889785bfbeed0e0342c41feb9852e9c9bc6785d /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | f9321cc4408bd90bb0adcd929c04322aaf6afdcc (diff) | |
drm/amdgpu: Add vis_vramlimit module parameter
Allow specifying a limit on visible VRAM via a module parameter. This is
helpful for testing performance under visible VRAM pressure.
v2: Add cast to 64-bit (Christian König)
Signed-off-by: John Brooks <john@fastquake.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index ed760f477542..3c83fe6c5db8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -74,6 +74,7 @@ #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; +int amdgpu_vis_vram_limit = 0; unsigned amdgpu_gart_size = 256; int amdgpu_gtt_size = -1; /* auto */ int amdgpu_moverate = -1; /* auto */ @@ -121,6 +122,9 @@ int amdgpu_lbpw = -1; MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); +MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes"); +module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444); + MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc.)"); module_param_named(gartsize, amdgpu_gart_size, uint, 0600); |