diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2025-12-04 13:47:30 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2025-12-08 09:16:01 +0300 |
| commit | a7e427ff20418bbbac367ce78a3e786360988432 (patch) | |
| tree | cedfcc45293edd73a298b7e272970c1b0ee68978 | |
| parent | 8d251442f81a9c5114f2eee303e4e7305fb0f426 (diff) | |
| download | linux-a7e427ff20418bbbac367ce78a3e786360988432.tar.xz | |
drm/i915/psr: Clear pr_dpcd as well on disconnect
Currently we are leaving pr_dpcd containing Panel Replay capability DPCD
registers as it is on disconnect. Clear it as well on disconnect.
v2: add FIXME
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251204104733.1106145-6-jouni.hogander@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index dcceb0ae2a56..3838835e7e7e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6048,7 +6048,15 @@ intel_dp_detect(struct drm_connector *_connector, if (status == connector_status_disconnected) { intel_dp_test_reset(intel_dp); + /* + * FIXME: Resetting these caps here cause + * state computation fail if the connector need to be + * modeset after sink disconnect. Move resetting them + * to where new sink is connected. + */ memset(connector->dp.dsc_dpcd, 0, sizeof(connector->dp.dsc_dpcd)); + memset(connector->dp.panel_replay_caps.dpcd, 0, + sizeof(connector->dp.panel_replay_caps.dpcd)); intel_dp->psr.sink_panel_replay_support = false; intel_dp->psr.sink_panel_replay_su_support = false; intel_dp->psr.sink_panel_replay_dsc_support = |