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drm: Add DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags v2

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These flags allow userspace to explicitly specify the target vertical
blank period when a flip should take effect.

v2:
* Add new struct drm_mode_crtc_page_flip_target instead of modifying
  struct drm_mode_crtc_page_flip, to make sure all existing userspace
  code keeps compiling (Daniel Vetter)

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2016-08-08 16:23:39 +09:00
committed by Alex Deucher
parent 5dd20bbae8
commit f837297ad8
4 changed files with 86 additions and 10 deletions
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include/uapi/drm/drm.h
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@@ -646,6 +646,7 @@ struct drm_gem_open {
#define DRM_CAP_CURSOR_WIDTH 0x8
#define DRM_CAP_CURSOR_HEIGHT 0x9
#define DRM_CAP_ADDFB2_MODIFIERS 0x10
#define DRM_CAP_PAGE_FLIP_TARGET 0x11
/** DRM_IOCTL_GET_CAP ioctl argument type */
struct drm_get_cap {