> -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Michel Dänzer > Sent: Monday, April 10, 2017 4:38 AM > To: amd-gfx at lists.freedesktop.org > Subject: [PATCH xf86-video-ati] Set correct DRM event context version > > From: Daniel Stone <daniels at collabora.com> > > DRM_EVENT_CONTEXT_VERSION is the latest context version supported by > whatever version of libdrm is present. We were blindly asserting we > supported whatever version that may be, even if we actually didn't. > > With libdrm 2.4.78, setting a higher context version than 2 will attempt > to call the page_flip_handler2 vfunc if it was non-NULL, which being a > random chunk of stack memory, it might well have been. > > Set the version as 2, which should be bumped only with the appropriate > version checks. > > Signed-off-by: Daniel Stone <daniels at collabora.com> > (Ported from xserver commit > 0c8e6ed85810e96d84173a52d628863802a78d82) > > Signed-off-by: Michel Dänzer <michel.daenzer at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > src/drmmode_display.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/src/drmmode_display.c b/src/drmmode_display.c > index ab11583a6..9911c0a6a 100644 > --- a/src/drmmode_display.c > +++ b/src/drmmode_display.c > @@ -2538,7 +2538,7 @@ Bool drmmode_pre_init(ScrnInfoPtr pScrn, > drmmode_ptr drmmode, int cpp) > > xf86InitialConfiguration(pScrn, TRUE); > > - drmmode->event_context.version = > DRM_EVENT_CONTEXT_VERSION; > + drmmode->event_context.version = 2; > drmmode->event_context.vblank_handler = > radeon_drm_queue_handler; > drmmode->event_context.page_flip_handler = > radeon_drm_queue_handler; > > -- > 2.11.0 > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
