From: Michel Dänzer <michel.daenzer@xxxxxxx> Preparation for following change, no functional change intended yet. (Ported from radeon commit f87acdbfb1b0b6d2769764772a52ea8b81675e20) Signed-off-by: Michel Dänzer <michel.daenzer at amd.com> --- src/drmmode_display.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/src/drmmode_display.c b/src/drmmode_display.c index 1a805b82d..bdd3866b8 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -96,6 +96,14 @@ AMDGPUZaphodStringMatches(ScrnInfoPtr pScrn, const char *s, char *output_name) return FALSE; } + +/* Wait for the boolean condition to be FALSE */ +#define drmmode_crtc_wait_pending_event(drmmode_crtc, fd, condition) \ + do {} while ((condition) && \ + drmHandleEvent(fd, &drmmode_crtc->drmmode->event_context) \ + > 0); + + static PixmapPtr drmmode_create_bo_pixmap(ScrnInfoPtr pScrn, int width, int height, int depth, int bpp, @@ -891,10 +899,8 @@ drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode, goto done; } - /* Wait for any pending flip to finish */ - do {} while (drmmode_crtc->flip_pending && - drmHandleEvent(pAMDGPUEnt->fd, - &drmmode->event_context) > 0); + drmmode_crtc_wait_pending_event(drmmode_crtc, pAMDGPUEnt->fd, + drmmode_crtc->flip_pending); if (drmModeSetCrtc(pAMDGPUEnt->fd, drmmode_crtc->mode_crtc->crtc_id, -- 2.14.1