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drm/i915: add I915_PARAM_HAS_VEBOX to i915_getparam

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This will let userland only try to use the new ring
when the appropriate kernel is present

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Xiang, Haihao 2013-05-28 19:22:34 -07:00 committed by Daniel Vetter
parent 82f91b6e93
commit a1f2cc73c7
2 changed files with 4 additions and 1 deletions
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3
drivers/gpu/drm/i915/i915_dma.c
View File

@ -956,6 +956,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
case I915_PARAM_HAS_BLT:
value = intel_ring_initialized(&dev_priv->ring[BCS]);
break;
case I915_PARAM_HAS_VEBOX:
value = intel_ring_initialized(&dev_priv->ring[VECS]);
break;
case I915_PARAM_HAS_RELAXED_FENCING:
value = 1;
break;

2
include/uapi/drm/i915_drm.h
View File

@ -305,7 +305,7 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_WAIT_TIMEOUT 19
#define I915_PARAM_HAS_SEMAPHORES 20
#define I915_PARAM_HAS_PRIME_VMAP_FLUSH 21
#define I915_PARAM_RSVD_FOR_FUTURE_USE 22
#define I915_PARAM_HAS_VEBOX 22
#define I915_PARAM_HAS_SECURE_BATCHES 23
#define I915_PARAM_HAS_PINNED_BATCHES 24
#define I915_PARAM_HAS_EXEC_NO_RELOC 25