At Fri, 27 Mar 2015 12:01:33 +0100, Sedat Dilek wrote: > > On Wed, Mar 25, 2015 at 3:34 PM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > At Wed, 25 Mar 2015 14:26:50 +0100, > > Daniel Vetter wrote: > >> > >> On Tue, Mar 24, 2015 at 07:09:03PM +0100, Sedat Dilek wrote: > >> > On Mon, Mar 23, 2015 at 9:25 AM, Daniel Vetter <daniel@xxxxxxxx> wrote: > >> > > On Mon, Mar 23, 2015 at 07:25:27AM +0100, Sedat Dilek wrote: > >> > >> Hi, > >> > >> > >> > >> I did my weekly update of the Linux RC (here: v4.0-rc5) and fell over > >> > >> some warning in the drm area. > >> > >> > >> > >> Please have a look... > >> > > > >> > > >> > Hi Daniel, > >> > > >> > > Just to confirm: Both are new in -rc5 and haven't been around in -rc4? > >> > > > >> > > >> > Yeah, rc4 was OK but with rc5 I have seen these warnings. > >> > > >> > > Also can you pls give -nightly a spin and see what happens there? > >> > > > >> > > >> > drm-intel-nightly (2015y-03m-24d-09h-19m-43s UTC) pulled on top of rc5 > >> > does not show any warnings in the drm | i915 area. > >> > >> drm-fixes has 2 cherry-picks from -next to address the worst offenders, > >> there's one more which is waiting for confirmation: > >> > >> commit fb9981aa675eb7b398849915364916fd98833cfa > >> Author: Damien Lespiau <damien.lespiau@xxxxxxxxx> > >> Date: Thu Feb 5 19:24:25 2015 +0000 > >> > >> drm/i915: Fix atomic state when reusing the firmware fb > >> > >> Please apply that commit from -next on top of drm-fixes and retest. > > > > The problem is introduced by the commit > > 319c1d420a0b62d9dbb88104afebaabc968cdbfa > > drm/i915: Ensure plane->state->fb stays in sync with plane->fb > > > > Obviously it accesses the uninitialized kref in > > get_initial_plane_config(). > > > > The commit in next > > f55548b5af87ebfc586ca75748947f1c1b1a4a52 > > drm/i915: Don't try to reference the fb in get_initial_plane_config() > > > > fixes the bug itself, but it leads to another similar warnings. For > > avoiding this, yet another cherry-picks (including the commit you > > mentioned above): > > > > fb9981aa675eb7b398849915364916fd98833cfa > > drm/i915: Fix atomic state when reusing the firmware fb > > 2d14030b1a9d0e89cfdca6f16851e2eac8cb4de0 > > drm/i915: Store the initial framebuffer in initial_plane_config > > > > then warnings are finally gone. > > > > But, the second one can't be applied cleanly, so I had to adjust many > > codes manually by replacing primary fb references. > > > > > > Takashi > > Hi Takashi, hi Daniel, > > first of all thank you for your replies. > The last days I did not use my notebook and will try > "drm-intel-fixes-2015-03-26". > Takashi, is that Git branch on top of rc5 OK for you? The fixes have been already merged to Linus tree. Takashi _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
