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-rw-r--r--drivers/gpu/drm/i915/i915_drv.c5
-rw-r--r--include/uapi/drm/i915_drm.h3
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 1f802de7b94b..d503612a7fc1 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -374,6 +374,11 @@ static int i915_getparam(struct drm_device *dev, void *data,
*/
value = 1;
break;
+ case I915_PARAM_SLICE_MASK:
+ value = INTEL_INFO(dev_priv)->sseu.slice_mask;
+ if (!value)
+ return -ENODEV;
+ 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 f24a80d2d42e..25695c3d9a76 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -418,6 +418,9 @@ typedef struct drm_i915_irq_wait {
*/
#define I915_PARAM_HAS_EXEC_CAPTURE 45
+/* Query the mask of slices available for this system */
+#define I915_PARAM_SLICE_MASK 46
+
typedef struct drm_i915_getparam {
__s32 param;
/*
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