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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-07-03 11:17:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-07-10 17:01:28 -0400 |
| commit | f6be5e64500abbba44e191e1ca0f3366c7d0291b (patch) | |
| tree | 81cbedf719ca761715a0ecc1b9de292d287df664 | |
| parent | 2db38e06ecda80063d748df7bd79b7186c8831e0 (diff) | |
| download | linux-f6be5e64500abbba44e191e1ca0f3366c7d0291b.tar.bz2 | |
drm/radeon/dp: return -EIO for flags not zero case
If there are error flags in the aux transaction return
-EIO rather than -EBUSY. -EIO restarts the whole transaction
while -EBUSY jus retries. Fixes problematic aux transfers.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=80684
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 35f4182c63b6..b1e11f8434e2 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -127,7 +127,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, /* flags not zero */ if (args.v1.ucReplyStatus == 2) { DRM_DEBUG_KMS("dp_aux_ch flags not zero\n"); - r = -EBUSY; + r = -EIO; goto done; } |