On Thu, Jul 02, 2015 at 02:27:30PM +0100, Daniel Stone wrote: > Hi, > > > On 2 Jul 2015, at 2:16 pm, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote: > > > > In > > > > commit 9f658b7b62e7aefc1ee067136126eca3f58cabfd > > Author: Daniel Stone <daniels@xxxxxxxxxxxxx> > > Date: Fri May 22 13:34:45 2015 +0100 > > > > drm/crtc_helper: Replace open-coded CRTC state helpers > > > > error handling code was broken, resulting in the first path not being > > checked correctly. Fix this by using the same pattern as in the > > transitional plane helper function drm_plane_helper_update. > > > > v2: Simplify the cleanup code while at it too. > > > > v3: After some debugging with John we realized that the above patch > > from Daniel also accidentally removed the if (crtc_state) check. This > > is legal when transitioning to atomic, when the initial state reset > > isn't all wired up yet properly. Reinstate that check to fix the bug > > John has hit. > > Still misses the crtc_state->crtc assignment in the kzalloc path. Yeah I was random-walking over that code badly. Please disregard v4 too. I'll follow up with a patch to use the reset helper if crtc->state isnt' set both here and for plane transitional helpers too. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel