| Message ID | 1311709186-13027-3-git-send-email-ajax@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 875da4e..f086e5e 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -345,6 +345,10 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, DP_AUX_CH_CTL_DONE | DP_AUX_CH_CTL_TIME_OUT_ERROR | DP_AUX_CH_CTL_RECEIVE_ERROR); + + if (status & (DP_AUX_CH_CTL_TIME_OUT_ERROR | + DP_AUX_CH_CTL_RECEIVE_ERROR)) + continue; if (status & DP_AUX_CH_CTL_DONE) break; }
This is paranoid, but I am entirely willing to believe the hardware could come up with a condition where I get a status with both the 'done' and 'receive error' bits set. Signed-off-by: Adam Jackson <ajax@redhat.com> --- drivers/gpu/drm/i915/intel_dp.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)