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authorJudy Hsiao <judyhsiao@google.com>2021-01-29 11:16:03 +0100
committerRob Clark <robdclark@chromium.org>2021-01-31 20:34:37 +0100
commitc703d5789590935c573bbd080a2166b72d51a017 (patch)
tree5b1b2531421bab0b9f5273635d6e47fbe58d89c3 /drivers
parentdrm/msm/dp/dp_ctrl: Remove unneeded semicolon (diff)
downloadlinux-c703d5789590935c573bbd080a2166b72d51a017.tar.xz
linux-c703d5789590935c573bbd080a2166b72d51a017.zip
drm/msm/dp: trigger unplug event in msm_dp_display_disable
1. Trigger the unplug event in msm_dp_display_disable() to shutdown audio properly. 2. Reset the completion before signal the disconnect event. Fixes: 158b9aa74479 ("drm/msm/dp: wait for audio notification before disabling clocks") Reviewed-by: Stephen Boyd <swboyd@chromium.org> Tested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Judy Hsiao <judyhsiao@chromium.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_display.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 3a7e6c5adbf5..d9216f80cdad 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -651,8 +651,8 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data)
dp_add_event(dp, EV_DISCONNECT_PENDING_TIMEOUT, 0, DP_TIMEOUT_5_SECOND);
/* signal the disconnect event early to ensure proper teardown */
- dp_display_handle_plugged_change(g_dp_display, false);
reinit_completion(&dp->audio_comp);
+ dp_display_handle_plugged_change(g_dp_display, false);
dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK |
DP_DP_IRQ_HPD_INT_MASK, true);
@@ -897,6 +897,9 @@ static int dp_display_disable(struct dp_display_private *dp, u32 data)
/* wait only if audio was enabled */
if (dp_display->audio_enabled) {
+ /* signal the disconnect event */
+ reinit_completion(&dp->audio_comp);
+ dp_display_handle_plugged_change(dp_display, false);
if (!wait_for_completion_timeout(&dp->audio_comp,
HZ * 5))
DRM_ERROR("audio comp timeout\n");