From afd245dd7fd85cf3ffd3e6d5fe9711252aa2ed7f Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Wed, 29 Apr 2009 14:43:55 -0700
Subject: Add new drm_intel_get_pipe_from_crtc_id function.
This wraps the new DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID ioctl,
allowing applications to discover the pipe number corresponding
to a given CRTC ID. This is necessary for doing pipe-specific
operations such as waiting for vblank on a given CRTC.
---
shared-core/i915_drm.h | 10 ++++++++++
1 file changed, 10 insertions(+)
(limited to 'shared-core')
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index 5456e917..c8fec5fa 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -205,6 +205,7 @@ typedef struct drm_i915_sarea {
#define DRM_I915_GEM_GET_TILING 0x22
#define DRM_I915_GEM_GET_APERTURE 0x23
#define DRM_I915_GEM_MMAP_GTT 0x24
+#define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -242,6 +243,7 @@ typedef struct drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
#define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
#define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
+#define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_i915_get_pipe_from_crtc_id)
/* Asynchronous page flipping:
*/
@@ -769,4 +771,12 @@ struct drm_i915_gem_get_aperture {
uint64_t aper_available_size;
};
+struct drm_i915_get_pipe_from_crtc_id {
+ /** ID of CRTC being requested **/
+ uint32_t crtc_id;
+
+ /** pipe of requested CRTC **/
+ uint32_t pipe;
+};
+
#endif /* _I915_DRM_H_ */
--
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