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| author | Xiong Zhang <xiong.y.zhang@intel.com> | 2013-07-19 09:51:24 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-19 11:29:26 +0400 |
| commit | 0b74b508f78cea96d0d1b47e72cc0ec7959cdc68 (patch) | |
| tree | 2bfe889b7a72eb2d736c98e334e5a5025ca49203 /drivers/gpu/drm/i915/i915_drv.c | |
| parent | 6286ef9b56bfc5d4f3f06ef5488e41da4480dc85 (diff) | |
| download | linux-0b74b508f78cea96d0d1b47e72cc0ec7959cdc68.tar.xz | |
drm/i915: add prefault_disable module option
prefault is stll enabled by default which prevent most of pwrite/pread/reloc
from running slow path, in order to verify these slow pathes, prefault need
to be disabled.
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
[danvet: Make checkpatch happy and bikeshed the module option help
text a bit.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index b178a7ca1294..c34086ad8181 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -141,6 +141,11 @@ module_param_named(fastboot, i915_fastboot, bool, 0600); MODULE_PARM_DESC(fastboot, "Try to skip unnecessary mode sets at boot time " "(default: false)"); +bool i915_prefault_disable __read_mostly; +module_param_named(prefault_disable, i915_prefault_disable, bool, 0600); +MODULE_PARM_DESC(prefault_disable, + "Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only."); + static struct drm_driver driver; extern int intel_agp_enabled; |