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| author | Ben Skeggs <bskeggs@redhat.com> | 2011-01-31 16:42:28 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-25 06:44:25 +1000 |
| commit | fc772ec48d7d57ef5fb3fe171eae467d3d440bc4 (patch) | |
| tree | d81644baa72a0e087ff57e661525d6de59ac9370 /drivers/gpu/drm/nouveau/nouveau_fence.c | |
| parent | ea5f2786a0942832f32deb7c507531b766028356 (diff) | |
| download | kernel_samsung_smdk4412-fc772ec48d7d57ef5fb3fe171eae467d3d440bc4.zip kernel_samsung_smdk4412-fc772ec48d7d57ef5fb3fe171eae467d3d440bc4.tar.gz kernel_samsung_smdk4412-fc772ec48d7d57ef5fb3fe171eae467d3d440bc4.tar.bz2 | |
drm/nv50: 0x50 needs semaphore yields too
Evil, evil chipset. Worst of both worlds.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 1334868..d820ad2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -330,9 +330,18 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) int ret; if (dev_priv->chipset < 0x84) { - ret = RING_SPACE(chan, 3); - if (ret) - return ret; + if (dev_priv->chipset < 0x50) { + ret = RING_SPACE(chan, 3); + if (ret) + return ret; + } else { + ret = RING_SPACE(chan, 5); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubSw, NV_SW_YIELD, 1); + OUT_RING (chan, 0); + } BEGIN_RING(chan, NvSubSw, NV_SW_SEMAPHORE_OFFSET, 2); OUT_RING (chan, sema->mem->start); @@ -401,7 +410,7 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) int ret; if (dev_priv->chipset < 0x84) { - ret = RING_SPACE(chan, 4); + ret = RING_SPACE(chan, (dev_priv->chipset != 0x50) ? 4 : 6); if (ret) return ret; @@ -409,6 +418,10 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) OUT_RING (chan, sema->mem->start); BEGIN_RING(chan, NvSubSw, NV_SW_SEMAPHORE_RELEASE, 1); OUT_RING (chan, 1); + if (dev_priv->chipset == 0x50) { + BEGIN_RING(chan, NvSubSw, NV_SW_YIELD, 1); + OUT_RING (chan, 0); + } } else if (dev_priv->chipset < 0xc0) { /* |