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| author | Suraj Kandpal <suraj.kandpal@intel.com> | 2026-01-22 07:48:58 +0300 |
|---|---|---|
| committer | Suraj Kandpal <suraj.kandpal@intel.com> | 2026-01-27 06:03:33 +0300 |
| commit | f86bed1bc93111a0308bc4d0335ee68d6fc9a1f4 (patch) | |
| tree | d3b47b41234e08d505149a6ff8a96b113776352c /include/linux/errqueue.h | |
| parent | cca7eda1c73045d6fb12b3db34f90de65412e742 (diff) | |
| download | linux-f86bed1bc93111a0308bc4d0335ee68d6fc9a1f4.tar.xz | |
drm/i915/cx0: Clear response ready & error bit
Clear the response ready and error bit of PORT_P2M_MESSAGE_BUS_STATUS
before writing the transaction pending bit of
PORT_M2P_MSGBUS_CTL as that is a hard requirement. If not done
we find that the PHY hangs since it ends up in a weird state if left
idle for more than 1 hour.
Bspec: 65101
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Link: https://patch.msgid.link/20260122044859.753682-1-suraj.kandpal@intel.com
Diffstat (limited to 'include/linux/errqueue.h')
0 files changed, 0 insertions, 0 deletions