diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-09-04 01:24:32 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-10-09 12:17:47 +0300 |
| commit | bfcc3d8f94f4cb7b97cd666367ffc729342d30c0 (patch) | |
| tree | ecf787995e9110332323df6f16a52b4dfbc51d3d /drivers/gpu/drm/msm/dp | |
| parent | 6398e4d4ca0ad41feed529aa95c96a12d78f6124 (diff) | |
| download | linux-bfcc3d8f94f4cb7b97cd666367ffc729342d30c0.tar.xz | |
drm/msm/dp: support setting the DP subconnector type
Read the downstream port info and set the subconnector type accordingly.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/555531/
Link: https://lore.kernel.org/r/20230903222432.2894093-1-dmitry.baryshkov@linaro.org
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.h | 1 |
3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 2a5f1ab9a65b..397bc19f408d 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -364,8 +364,12 @@ static int dp_display_send_hpd_notification(struct dp_display_private *dp, } /* reset video pattern flag on disconnect */ - if (!hpd) + if (!hpd) { dp->panel->video_test = false; + drm_dp_set_subconnector_property(dp->dp_display.connector, + connector_status_disconnected, + dp->panel->dpcd, dp->panel->downstream_ports); + } dp->dp_display.is_connected = hpd; @@ -393,6 +397,9 @@ static int dp_display_process_hpd_high(struct dp_display_private *dp) dp_link_process_request(dp->link); + drm_dp_set_subconnector_property(dp->dp_display.connector, connector_status_connected, + dp->panel->dpcd, dp->panel->downstream_ports); + edid = dp->panel->edid; dp->dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 0871ef42933e..127f6af995cd 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -161,6 +161,11 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, } } + rc = drm_dp_read_downstream_info(panel->aux, dp_panel->dpcd, + dp_panel->downstream_ports); + if (rc) + return rc; + kfree(dp_panel->edid); dp_panel->edid = NULL; diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h index 3cb1f8dcfd3b..a0dfc579c5f9 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.h +++ b/drivers/gpu/drm/msm/dp/dp_panel.h @@ -36,6 +36,7 @@ struct dp_panel_psr { struct dp_panel { /* dpcd raw data */ u8 dpcd[DP_RECEIVER_CAP_SIZE]; + u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; struct dp_link_info link_info; struct drm_dp_desc desc; |