On Wed, Jul 02, 2014 at 11:21:42AM -0700, Jesse Barnes wrote: > On Thu, 26 Jun 2014 18:24:05 +0100 > John.C.Harrison@xxxxxxxxx wrote: > > > From: John Harrison <John.C.Harrison@xxxxxxxxx> > > > > This is required by user land validation programs that need to know whether the > > scheduler is available for testing or not. > > --- > > drivers/gpu/drm/i915/i915_dma.c | 3 +++ > > include/uapi/drm/i915_drm.h | 1 + > > 2 files changed, 4 insertions(+) > > > > diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c > > index 6c9ce82..1668316 100644 > > --- a/drivers/gpu/drm/i915/i915_dma.c > > +++ b/drivers/gpu/drm/i915/i915_dma.c > > @@ -1035,6 +1035,9 @@ static int i915_getparam(struct drm_device *dev, void *data, > > value = 0; > > #endif > > break; > > + case I915_PARAM_HAS_GPU_SCHEDULER: > > + value = i915_scheduler_is_enabled(dev); > > + break; > > default: > > DRM_DEBUG("Unknown parameter %d\n", param->param); > > return -EINVAL; > > diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h > > index bf54c78..de6f603 100644 > > --- a/include/uapi/drm/i915_drm.h > > +++ b/include/uapi/drm/i915_drm.h > > @@ -341,6 +341,7 @@ typedef struct drm_i915_irq_wait { > > #define I915_PARAM_HAS_WT 27 > > #define I915_PARAM_CMD_PARSER_VERSION 28 > > #define I915_PARAM_HAS_NATIVE_SYNC 30 > > +#define I915_PARAM_HAS_GPU_SCHEDULER 31 > > > > typedef struct drm_i915_getparam { > > int param; > > I guess we have plenty of getparam space available. But another option > would be for tests to check for a debugfs file that dumps scheduler > info instead, and save the get params for non-debug applications. Yeah, pure testing interfaces should reside in debugfs - much less stringent abi compatibility requirements for that stuff. Also, I want to see these validation tests as igt patches. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx