diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-03-15 17:27:53 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-03-15 17:27:53 -0400 |
| commit | 374200b154ae48e8f011fb74dab21f80459f9e47 (patch) | |
| tree | d801c957febe2b211b23486e26d139d636535034 /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
| parent | 0fc8011f89feb8b2c3008583b777d097e1974660 (diff) | |
drm/amdkfd: Add module option for testing large-BAR functionality
Simulate large-BAR system by exporting only visible memory. This
limits the amount of available VRAM to the size of the BAR, but
enables CPU access to VRAM.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index 65574c6a10b3..b0acb0603883 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -71,6 +71,11 @@ module_param(send_sigterm, int, 0444); MODULE_PARM_DESC(send_sigterm, "Send sigterm to HSA process on unhandled exception (0 = disable, 1 = enable)"); +int debug_largebar; +module_param(debug_largebar, int, 0444); +MODULE_PARM_DESC(debug_largebar, + "Debug large-bar flag used to simulate large-bar capability on non-large bar machine (0 = disable, 1 = enable)"); + int ignore_crat; module_param(ignore_crat, int, 0444); MODULE_PARM_DESC(ignore_crat, |