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DISPMANX: Put guard back in to avoid potential lockups!

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This commit is contained in:
vanfanel 2017-01-15 13:47:30 +01:00
parent 869a050a18
commit 5a1e8d55fb
1 changed files with 7 additions and 0 deletions
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7
gfx/drivers/dispmanx_gfx.c
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@ -319,6 +319,13 @@ static void dispmanx_surface_update(void *data, const void *frame,
settings_t *settings = config_get_ptr();
/* Dispmanx doesn't support more than one pending pageflip.
* It causes lockups. */
slock_lock(_dispvars->pending_mutex);
if (_dispvars->pageflip_pending > 0)
scond_wait(_dispvars->vsync_condition, _dispvars->pending_mutex);
slock_unlock(_dispvars->pending_mutex);
page = dispmanx_get_free_page(_dispvars, surface);
/* Frame blitting */