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| author | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2026-05-24 13:33:38 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2026-05-29 14:59:26 +0300 |
| commit | 24acb35682eacc751417613d37aba6f93b68378d (patch) | |
| tree | ee04dff762b9fb9ef6f8c4616efdd4b2327373a2 /drivers/gpu/drm/msm/dp/dp_panel.c | |
| parent | 3ea2d1c3d15476d85978a3e40df5cdd6fa944fe6 (diff) | |
| download | linux-next-24acb35682eacc751417613d37aba6f93b68378d.tar.gz linux-next-24acb35682eacc751417613d37aba6f93b68378d.zip | |
drm/msm/dp: clear EDID on display unplug
Currently the driver only updates the EDID when it detects a connected
monitor, which results in the connector still listing outdated modes
even after the display is unplugged. Set connector's EDID to NULL on
unplug to clear the list of modes.
Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455
Tested-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> # Hamoa IOT EVK, QCS8300 Ride
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/727619/
Link: https://lore.kernel.org/r/20260524-hpd-refactor-v6-10-cf3ab488dd7b@oss.qualcomm.com
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_panel.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 891211b23202..6bb021820d7c 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -293,6 +293,14 @@ end: return rc; } +void msm_dp_panel_unplugged(struct msm_dp_panel *msm_dp_panel, + struct drm_connector *connector) +{ + drm_edid_connector_update(connector, NULL); + drm_edid_free(msm_dp_panel->drm_edid); + msm_dp_panel->drm_edid = NULL; +} + u32 msm_dp_panel_get_mode_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_edid_bpp, u32 mode_pclk_khz) { |