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drm/radeon/kms: add gui_idle callback

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Check to see if the GUI engine and related blocks
(2D, 3D, CP, etc) are idle or not.  There are a number
of cases when we need to know if the drawing engine
is busy.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-04-22 12:39:58 -04:00
committed by Dave Airlie
parent 1d42bbc8f7
commit def9ba9cf6
5 changed files with 34 additions and 0 deletions
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2
drivers/gpu/drm/radeon/radeon.h
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@@ -803,6 +803,7 @@ struct radeon_asic {
* through ring.
*/
void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
bool (*gui_idle)(struct radeon_device *rdev);
};
/*
@@ -1209,6 +1210,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
#define radeon_hpd_fini(rdev) (rdev)->asic->hpd_fini((rdev))
#define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
#define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
#define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
/* Common functions */
/* AGP */