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Commit e9560f7c authored by Jesse Barnes's avatar Jesse Barnes Committed by Eric Anholt
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drm/i915: add GETPARAM request for page flipping 



Add a GETPARAM request for checking if page flipping is supported.
Useful for the 2D driver to enable the flipping path.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 7bd4d7be

drivers/gpu/drm/i915/i915_dma.c

+3 −0
Original line number Diff line number Diff line
@@ -810,6 +810,9 @@ static int i915_getparam(struct drm_device *dev, void *data, 
	case I915_PARAM_HAS_OVERLAY:

		value = dev_priv->overlay ? 1 : 0;

		break;

	case I915_PARAM_HAS_PAGEFLIPPING:

		value = 1;

		break;

	default:

		DRM_DEBUG_DRIVER("Unknown parameter %d\n",

					param->param);

include/drm/i915_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -271,6 +271,7 @@ typedef struct drm_i915_irq_wait { 
#define I915_PARAM_HAS_GEM               5

#define I915_PARAM_NUM_FENCES_AVAIL      6

#define I915_PARAM_HAS_OVERLAY           7

#define I915_PARAM_HAS_PAGEFLIPPING	 8



typedef struct drm_i915_getparam {

	int param;