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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 11:14:52 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 11:14:52 -0700 |
commit | 59534f7298c5e28aaa64e6ed550e247f64ee72ae (patch) | |
tree | b9fef7756abf897d9e1b10950cdf10bf6dfe5cb7 /drivers/gpu/drm/radeon/radeon_ring.c | |
parent | ac3ee84c604502240122c47b52f0542ec8774f15 (diff) | |
parent | b486787ee4797d6e42a9bd3a6f079385ad0f4472 (diff) | |
download | blackbird-op-linux-59534f7298c5e28aaa64e6ed550e247f64ee72ae.tar.gz blackbird-op-linux-59534f7298c5e28aaa64e6ed550e247f64ee72ae.zip |
Merge branch 'drm-for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (207 commits)
drm/radeon/kms/pm/r600: select the mid clock mode for single head low profile
drm/radeon: fix power supply kconfig interaction.
drm/radeon/kms: record object that have been list reserved
drm/radeon: AGP memory is only I/O if the aperture can be mapped by the CPU.
drm/radeon/kms: don't default display priority to high on rs4xx
drm/edid: fix typo in 1600x1200@75 mode
drm/nouveau: fix i2c-related init table handlers
drm/nouveau: support init table i2c device identifier 0x81
drm/nouveau: ensure we've parsed i2c table entry for INIT_*I2C* handlers
drm/nouveau: display error message for any failed init table opcode
drm/nouveau: fix init table handlers to return proper error codes
drm/nv50: support fractional feedback divider on newer chips
drm/nv50: fix monitor detection on certain chipsets
drm/nv50: store full dcb i2c entry from vbios
drm/nv50: fix suspend/resume with DP outputs
drm/nv50: output calculated crtc pll when debugging on
drm/nouveau: dump pll limits entries when debugging is on
drm/nouveau: bios parser fixes for eDP boards
drm/nouveau: fix a nouveau_bo dereference after it's been destroyed
drm/nv40: remove some completed ctxprog TODOs
...
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index f6e1e8d4d986..261e98a276db 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -219,24 +219,26 @@ int radeon_ib_pool_init(struct radeon_device *rdev) void radeon_ib_pool_fini(struct radeon_device *rdev) { int r; + struct radeon_bo *robj; if (!rdev->ib_pool.ready) { return; } mutex_lock(&rdev->ib_pool.mutex); radeon_ib_bogus_cleanup(rdev); + robj = rdev->ib_pool.robj; + rdev->ib_pool.robj = NULL; + mutex_unlock(&rdev->ib_pool.mutex); - if (rdev->ib_pool.robj) { - r = radeon_bo_reserve(rdev->ib_pool.robj, false); + if (robj) { + r = radeon_bo_reserve(robj, false); if (likely(r == 0)) { - radeon_bo_kunmap(rdev->ib_pool.robj); - radeon_bo_unpin(rdev->ib_pool.robj); - radeon_bo_unreserve(rdev->ib_pool.robj); + radeon_bo_kunmap(robj); + radeon_bo_unpin(robj); + radeon_bo_unreserve(robj); } - radeon_bo_unref(&rdev->ib_pool.robj); - rdev->ib_pool.robj = NULL; + radeon_bo_unref(&robj); } - mutex_unlock(&rdev->ib_pool.mutex); } @@ -258,31 +260,41 @@ void radeon_ring_free_size(struct radeon_device *rdev) } } -int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw) +int radeon_ring_alloc(struct radeon_device *rdev, unsigned ndw) { int r; /* Align requested size with padding so unlock_commit can * pad safely */ ndw = (ndw + rdev->cp.align_mask) & ~rdev->cp.align_mask; - mutex_lock(&rdev->cp.mutex); while (ndw > (rdev->cp.ring_free_dw - 1)) { radeon_ring_free_size(rdev); if (ndw < rdev->cp.ring_free_dw) { break; } r = radeon_fence_wait_next(rdev); - if (r) { - mutex_unlock(&rdev->cp.mutex); + if (r) return r; - } } rdev->cp.count_dw = ndw; rdev->cp.wptr_old = rdev->cp.wptr; return 0; } -void radeon_ring_unlock_commit(struct radeon_device *rdev) +int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw) +{ + int r; + + mutex_lock(&rdev->cp.mutex); + r = radeon_ring_alloc(rdev, ndw); + if (r) { + mutex_unlock(&rdev->cp.mutex); + return r; + } + return 0; +} + +void radeon_ring_commit(struct radeon_device *rdev) { unsigned count_dw_pad; unsigned i; @@ -295,6 +307,11 @@ void radeon_ring_unlock_commit(struct radeon_device *rdev) } DRM_MEMORYBARRIER(); radeon_cp_commit(rdev); +} + +void radeon_ring_unlock_commit(struct radeon_device *rdev) +{ + radeon_ring_commit(rdev); mutex_unlock(&rdev->cp.mutex); } @@ -344,20 +361,23 @@ int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size) void radeon_ring_fini(struct radeon_device *rdev) { int r; + struct radeon_bo *ring_obj; mutex_lock(&rdev->cp.mutex); - if (rdev->cp.ring_obj) { - r = radeon_bo_reserve(rdev->cp.ring_obj, false); + ring_obj = rdev->cp.ring_obj; + rdev->cp.ring = NULL; + rdev->cp.ring_obj = NULL; + mutex_unlock(&rdev->cp.mutex); + + if (ring_obj) { + r = radeon_bo_reserve(ring_obj, false); if (likely(r == 0)) { - radeon_bo_kunmap(rdev->cp.ring_obj); - radeon_bo_unpin(rdev->cp.ring_obj); - radeon_bo_unreserve(rdev->cp.ring_obj); + radeon_bo_kunmap(ring_obj); + radeon_bo_unpin(ring_obj); + radeon_bo_unreserve(ring_obj); } - radeon_bo_unref(&rdev->cp.ring_obj); - rdev->cp.ring = NULL; - rdev->cp.ring_obj = NULL; + radeon_bo_unref(&ring_obj); } - mutex_unlock(&rdev->cp.mutex); } |