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dri2: Call drm_queue_handle_deferred in dri2_deferred_event

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drm_queue_handler just puts the event on the signalled list; without
calling drm_queue_handle_deferred, actual processing of the event may be
delayed indefinitely, e.g. until another event arrives from the kernel.

This could result in DRI2 clients hanging during DPMS off.

Fixes: ba83a866af "Add radeon_drm_handle_event wrapper for
                     drmHandleEvent"
(Ported from amdgpu commit 09be74a3d1dd9604336d9a27f98d132b262dcbaf)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2019-03-01 18:28:11 +01:00
committed by Michel Dänzer
parent 705020b624
commit c301b8af25
1 changed files with 15 additions and 4 deletions
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19
src/radeon_dri2.c
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@@ -979,12 +979,18 @@ CARD32 radeon_dri2_deferred_event(OsTimerPtr timer, CARD32 now, pointer data)
if (ret) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"%s cannot get current time\n", __func__);
if (event_info->drm_queue_seq)
if (event_info->drm_queue_seq) {
drmmode_crtc->drmmode->event_context.
vblank_handler(pRADEONEnt->fd, 0, 0, 0,
(void*)event_info->drm_queue_seq);
else
drmmode_crtc->wait_flip_nesting_level++;
radeon_drm_queue_handle_deferred(crtc);
} else {
radeon_dri2_frame_event_handler(crtc, 0, 0, data);
}
return 0;
}
/*
@@ -995,13 +1001,18 @@ CARD32 radeon_dri2_deferred_event(OsTimerPtr timer, CARD32 now, pointer data)
delta_seq = delta_t * drmmode_crtc->dpms_last_fps;
delta_seq /= 1000000;
frame = (CARD64)drmmode_crtc->dpms_last_seq + delta_seq;
if (event_info->drm_queue_seq)
if (event_info->drm_queue_seq) {
drmmode_crtc->drmmode->event_context.
vblank_handler(pRADEONEnt->fd, frame, drm_now / 1000000,
drm_now % 1000000,
(void*)event_info->drm_queue_seq);
else
drmmode_crtc->wait_flip_nesting_level++;
radeon_drm_queue_handle_deferred(crtc);
} else {
radeon_dri2_frame_event_handler(crtc, frame, drm_now, data);
}
return 0;
}