On Tue, Oct 8, 2019 at 9:11 AM Fabio Estevam <festevam@xxxxxxxxx> wrote:
>
> Hi Rob,
>
> On Wed, Sep 4, 2019 at 2:19 PM Rob Clark <robdclark@xxxxxxxxx> wrote:
> >
> > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> >
> > Looks like the dma_sync calls don't do what we want on armv7 either.
> > Fixes:
> >
> > Unable to handle kernel paging request at virtual address 50001000
> > pgd = (ptrval)
> > [50001000] *pgd=00000000
> > Internal error: Oops: 805 [#1] SMP ARM
> > Modules linked in:
> > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc6-00271-g9f159ae07f07 #4
> > Hardware name: Freescale i.MX53 (Device Tree Support)
> > PC is at v7_dma_clean_range+0x20/0x38
> > LR is at __dma_page_cpu_to_dev+0x28/0x90
> > pc : [<c011c76c>] lr : [<c01181c4>] psr: 20000013
> > sp : d80b5a88 ip : de96c000 fp : d840ce6c
> > r10: 00000000 r9 : 00000001 r8 : d843e010
> > r7 : 00000000 r6 : 00008000 r5 : ddb6c000 r4 : 00000000
> > r3 : 0000003f r2 : 00000040 r1 : 50008000 r0 : 50001000
> > Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
> > Control: 10c5387d Table: 70004019 DAC: 00000051
> > Process swapper/0 (pid: 1, stack limit = 0x(ptrval))
> >
> > Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> > Fixes: 3de433c5b38a ("drm/msm: Use the correct dma_sync calls in msm_gem")
> > Tested-by: Fabio Estevam <festevam@xxxxxxxxx>
>
> I see this one got applied in linux-next already.
> Could it be sent to 5.4-rc, please?
afaict this should be at least in v5.4-rc2.. am I missing something?
BR,
-R
>
> mx53 boards cannot boot in mainline because of this.
>
> Thanks
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