diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 8dee7c62c801..86cff30d5c4e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -169,6 +169,16 @@ uint amdgpu_sdma_phase_quantum = 32; char *amdgpu_disable_cu; char *amdgpu_virtual_display; bool enforce_isolation; + +/* Specifies the default granularity for SVM, used in buffer + * migration and restoration of backing memory when handling + * recoverable page faults. + * + * The value is given as log(numPages(buffer)); for a 2 MiB + * buffer it computes to be 9 + */ +uint amdgpu_svm_default_granularity = 9; + /* * OverDrive(bit 14) disabled by default * GFX DCS(bit 19) disabled by default @@ -321,6 +331,13 @@ MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(msi, amdgpu_msi, int, 0444); /** + * DOC: svm_default_granularity (uint) + * Used in buffer migration and handling of recoverable page faults + */ +MODULE_PARM_DESC(svm_default_granularity, "SVM's default granularity in log(2^Pages), default 9 = 2^9 = 2 MiB"); +module_param_named(svm_default_granularity, amdgpu_svm_default_granularity, uint, 0644); + +/** * DOC: lockup_timeout (string) * Set GPU scheduler timeout value in ms. * |