diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2009-09-15 22:57:37 +0200 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-11-05 14:47:09 -0800 |
| commit | 03f77ea5972e6a2363152aec692744cac824daba (patch) | |
| tree | ad63609747a62f22f2117c62bce38f17532f72ed /drivers/gpu/drm/i915/intel_drv.h | |
| parent | 5a5a0c64a99d7542c48c99d1a8bbb49e665842be (diff) | |
drm/i915: implement interruptible sleeps in the overlay code
At least for the common case of userspace ioctls. When doing a
modeset operation, the wait is still uninterruptible. But considering
that failing to turn off the overlay when switching off the crtc it's
running on hangs the chip, it doesn't complicate matters _very_
much. There's just an unkillable X in addition to a black screen.
BUG() about it and explain in the code.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5b503cb793b..497240581c6 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -127,8 +127,13 @@ struct intel_overlay { struct drm_i915_gem_object *reg_bo; void *virt_addr; /* flip handling */ - int hw_wedged; uint32_t last_flip_req; + int hw_wedged; +#define HW_WEDGED 1 +#define NEEDS_WAIT_FOR_FLIP 2 +#define RELEASE_OLD_VID 3 +#define SWITCH_OFF_STAGE_1 4 +#define SWITCH_OFF_STAGE_2 5 }; struct intel_crtc { @@ -209,6 +214,8 @@ extern int intel_framebuffer_create(struct drm_device *dev, extern void intel_setup_overlay(struct drm_device *dev); extern void intel_cleanup_overlay(struct drm_device *dev); extern int intel_overlay_switch_off(struct intel_overlay *overlay); +extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, + int interruptible); extern int intel_overlay_put_image(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int intel_overlay_attrs(struct drm_device *dev, void *data, |