diff options
| author | Thierry Reding <treding@nvidia.com> | 2013-12-09 11:47:55 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-02-26 17:21:34 +0100 |
| commit | 516c0f7c0a608833cc01d3f5b2a357ee806b78a1 (patch) | |
| tree | 2ba87f3b5c08202f106c753cf138b2eba991a126 /drivers/net/xen-netback/interface.c | |
| parent | 8d4adc6a5807ca51999421b4d6d4f193c95775ba (diff) | |
drm/dp: Add DisplayPort link helpers
Add a helper to probe a DP link (read out the supported DPCD revision,
maximum rate, link count and capabilities) as well as power up the DP
link and configure it accordingly.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
Changes in v5:
- export helpers
Changes in v4:
- fix a couple of typos in comments as pointed out by Alex Deucher
Changes in v3:
- split into drm_dp_link_power_up() and drm_dp_link_configure()
- do not change sink state for DPCD versions earlier than 1.1
- sleep for 1-2 ms after setting local sink to D0 state
- read and write consecutive registers where possible
- read DPCD revision when link is probed
- remove duplicate kerneldoc
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
0 files changed, 0 insertions, 0 deletions