Displaying 2 results from an estimated 2 matches for "num_transactions".
2019 Sep 03
0
[PATCH v2 07/27] drm/dp_mst: Add sideband down request tracing + selftests
...= kmemdup(&buf[++idx], w->num_bytes,
+ GFP_KERNEL);
+ if (!w->bytes)
+ return -ENOMEM;
+ }
+ break;
+ case DP_REMOTE_I2C_READ:
+ {
+ struct drm_dp_remote_i2c_read *r = &req->u.i2c_read;
+ struct drm_dp_remote_i2c_read_tx *tx;
+ bool failed = false;
+
+ r->num_transactions = buf[idx] & 0x3;
+ r->port_number = (buf[idx] >> 4) & 0xf;
+ for (i = 0; i < r->num_transactions; i++) {
+ tx = &r->transactions[i];
+
+ tx->i2c_dev_id = buf[++idx] & 0x7f;
+ tx->num_bytes = buf[++idx];
+ tx->bytes = kmemdup(&buf[++idx...
2019 Sep 03
50
[PATCH v2 00/27] DP MST Refactors + debugging tools + suspend/resume reprobing
This is the large series for adding MST suspend/resume reprobing that
I've been working on for quite a while now. In addition, I:
- Refactored and cleaned up any code I ended up digging through in the
process of understanding how some parts of these helpers worked.
- Added some debugging tools along the way that I ended up needing to
figure out some issues in my own code
Note that