diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-16 00:20:18 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-16 00:20:18 +0300 |
| commit | 56012808f4d5606e401539f663d92009d964425b (patch) | |
| tree | f3736a97725647393a2db7c95462d857115197ca /drivers/gpu/drm/nouveau/nouveau_dp.c | |
| parent | a814290e17ae314bd614476cffc6119846eca27e (diff) | |
| parent | b2a731aa5cbca7e0252da75e16de7ae5feb1313a (diff) | |
| download | linux-56012808f4d5606e401539f663d92009d964425b.tar.xz | |
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel-stable
Conflicts:
arch/arm/Makefile
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 9e2926c48579..dd4937224220 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -490,7 +490,8 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, if (!nv_wait(NV50_AUXCH_CTRL(index), 0x00010000, 0x00000000)) { NV_ERROR(dev, "expected bit 16 == 0, got 0x%08x\n", nv_rd32(dev, NV50_AUXCH_CTRL(index))); - return -EBUSY; + ret = -EBUSY; + goto out; } udelay(400); @@ -501,6 +502,11 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, break; } + if ((stat & NV50_AUXCH_STAT_COUNT) != data_nr) { + ret = -EREMOTEIO; + goto out; + } + if (cmd & 1) { for (i = 0; i < 4; i++) { data32[i] = nv_rd32(dev, NV50_AUXCH_DATA_IN(index, i)); |