diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 74a456fe487f..006332805702 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -367,8 +367,9 @@ static int i915_getparam(struct drm_device *dev, void *data, value = i915_gem_mmap_gtt_version(); break; case I915_PARAM_HAS_SCHEDULER: - value = dev_priv->engine[RCS] && - dev_priv->engine[RCS]->schedule; + value = 0; + if (dev_priv->engine[RCS] && dev_priv->engine[RCS]->schedule) + value |= I915_SCHEDULER_CAP_ENABLED; break; case I915_PARAM_MMAP_VERSION: /* Remember to bump this if the version changes! */ diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index fe25a01c81f2..aa4a3b20ef6b 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -397,10 +397,17 @@ typedef struct drm_i915_irq_wait { #define I915_PARAM_MIN_EU_IN_POOL 39 #define I915_PARAM_MMAP_GTT_VERSION 40 -/* Query whether DRM_I915_GEM_EXECBUFFER2 supports user defined execution +/* + * Query whether DRM_I915_GEM_EXECBUFFER2 supports user defined execution * priorities and the driver will attempt to execute batches in priority order. + * The param returns a capability bitmask, nonzero implies that the scheduler + * is enabled, with different features present according to the mask. */ #define I915_PARAM_HAS_SCHEDULER 41 +#define I915_SCHEDULER_CAP_ENABLED (1ul << 0) +#define I915_SCHEDULER_CAP_PRIORITY (1ul << 1) +#define I915_SCHEDULER_CAP_PREEMPTION (1ul << 2) + #define I915_PARAM_HUC_STATUS 42 /* Query whether DRM_I915_GEM_EXECBUFFER2 supports the ability to opt-out of