Commit 1ee7698f authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: make dp auxch xfer len check for reads only



Writes don't return a count, and adding the check broke native DP.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent e235c1f3
......@@ -502,12 +502,12 @@ 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) {
if ((stat & NV50_AUXCH_STAT_COUNT) != data_nr) {
ret = -EREMOTEIO;
goto out;
}
for (i = 0; i < 4; i++) {
data32[i] = nv_rd32(dev, NV50_AUXCH_DATA_IN(index, i));
NV_DEBUG_KMS(dev, "rd %d: 0x%08x\n", i, data32[i]);
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment