diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 26 | ||||
| -rw-r--r-- | include/uapi/drm/i915_drm.h | 8 |
2 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index e3ef17783765..b773368fc62c 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1380,13 +1380,35 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, return -EINVAL; } + if (((args->flags & I915_EXEC_RING_MASK) != I915_EXEC_BSD) && + ((args->flags & I915_EXEC_BSD_MASK) != 0)) { + DRM_DEBUG("execbuf with non bsd ring but with invalid " + "bsd dispatch flags: %d\n", (int)(args->flags)); + return -EINVAL; + } + if ((args->flags & I915_EXEC_RING_MASK) == I915_EXEC_DEFAULT) ring = &dev_priv->ring[RCS]; else if ((args->flags & I915_EXEC_RING_MASK) == I915_EXEC_BSD) { if (HAS_BSD2(dev)) { int ring_id; - ring_id = gen8_dispatch_bsd_ring(dev, file); - ring = &dev_priv->ring[ring_id]; + + switch (args->flags & I915_EXEC_BSD_MASK) { + case I915_EXEC_BSD_DEFAULT: + ring_id = gen8_dispatch_bsd_ring(dev, file); + ring = &dev_priv->ring[ring_id]; + break; + case I915_EXEC_BSD_RING1: + ring = &dev_priv->ring[VCS]; + break; + case I915_EXEC_BSD_RING2: + ring = &dev_priv->ring[VCS2]; + break; + default: + DRM_DEBUG("execbuf with unknown bsd ring: %d\n", + (int)(args->flags & I915_EXEC_BSD_MASK)); + return -EINVAL; + } } else ring = &dev_priv->ring[VCS]; } else diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 2e559f6e699e..dc845614e80d 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -750,7 +750,13 @@ struct drm_i915_gem_execbuffer2 { */ #define I915_EXEC_HANDLE_LUT (1<<12) -#define __I915_EXEC_UNKNOWN_FLAGS -(I915_EXEC_HANDLE_LUT<<1) +/** Used for switching BSD rings on the platforms with two BSD rings */ +#define I915_EXEC_BSD_MASK (3<<13) +#define I915_EXEC_BSD_DEFAULT (0<<13) /* default ping-pong mode */ +#define I915_EXEC_BSD_RING1 (1<<13) +#define I915_EXEC_BSD_RING2 (2<<13) + +#define __I915_EXEC_UNKNOWN_FLAGS -(1<<15) #define I915_EXEC_CONTEXT_ID_MASK (0xffffffff) #define i915_execbuffer2_set_context_id(eb2, context) \ |