> -----Original Message-----
> From: meta-xilinx-boun...@yoctoproject.org [mailto:meta-xilinx-
> boun...@yoctoproject.org] On Behalf Of Hyun Kwon
> Sent: Tuesday, March 12, 2019 11:24 AM
> To: Jean-Francois Dagenais <jeff.dagen...@gmail.com>; meta-
> xil...@lists.yoctoproject.org
> Cc: Madhurkiran Harikrishnan <madhu...@xilinx.com>
> Subject: Re: [meta-xilinx] [PATCH v2] kernel-module-mali: add patch to check
> dma_map_page error
>
> Hi JFD,
>
> + Mads
>
> Thanks for the patch.
>
> > -----Original Message-----
> > From: Jean-Francois Dagenais [mailto:jeff.dagen...@gmail.com]
> > Sent: Tuesday, March 12, 2019 11:17 AM
> > To: meta-xil...@lists.yoctoproject.org
> > Cc: Hyun Kwon <hy...@xilinx.com>; Jean-Francois Dagenais
> > <jeff.dagen...@gmail.com>
> > Subject: [PATCH v2] kernel-module-mali: add patch to check
> > dma_map_page error
> >
> > This fixes an error when using the module in a kernel configured with
> > the CONFIG_DMA_API_DEBUG flag.
> >
> > utgard fd4b0000.gpu: DMA-API: device driver failed to check map
> > error[device address=0x00000000325b0000] [size=4096 bytes] [mapped as
> > page] ...
> > [<ffffff80082f72bc>] check_unmap+0x44c/0x7e8 [<ffffff80082f76b8>]
> > debug_dma_unmap_page+0x60/0x68 [<ffffff8000622e60>]
> > mali_mem_os_alloc_pages+0x230/0x498 [mali] ...
> >
> > Acked-by: Hyun Kwon <hyun.k...@xilinx.com>
> > Signed-off-by: Jean-Francois Dagenais <jeff.dagen...@gmail.com>
> > ---
> > .../recipes-graphics/mali/kernel-module-mali.bb | 1 +
> > .../0007-fix-driver-failed-to-check-map-error.patch | 17
> > +++++++++++++++++
> > 2 files changed, 18 insertions(+)
> > create mode 100644
> > meta-xilinx-bsp/recipes-graphics/mali/kernel-module-
> > mali/0007-fix-driver-failed-to-check-map-error.patch
> >
> > diff --git
> > a/meta-xilinx-bsp/recipes-graphics/mali/kernel-module-mali.bb
> > b/meta-xilinx-bsp/recipes-graphics/mali/kernel-module-mali.bb
> > index 0f44d25..5833239 100644
> > --- a/meta-xilinx-bsp/recipes-graphics/mali/kernel-module-mali.bb
> > +++ b/meta-xilinx-bsp/recipes-graphics/mali/kernel-module-mali.bb
> > @@ -16,6 +16,7 @@ SRC_URI = " \
> > file://0004-staging-mali-r8p0-01rel0-Don-t-include-
> > mali_read_phy.patch \
> > file://0005-linux-mali_kernel_linux.c-Handle-clock-when-probed-
> > a.patch \
> > file://0006-arm.c-global-variable-dma_ops-is-removed-from-the-
> > ke.patch \
> > + file://0007-fix-driver-failed-to-check-map-error.patch \
> > file://0010-common-mali_pm.c-Add-PM-runtime-barrier-after-
> > removi.patch \
> > file://0011-linux-mali_kernel_linux.c-Enable-disable-clock-for-
> > r.patch\
> > "
>
> I'm still not sure why this list looks different here, unless I'm missing
> something:
>
> https://github.com/Xilinx/meta-xilinx/blob/rel-v2018.3/meta-xilinx-bsp/recipes-
> graphics/mali/kernel-module-mali.bb
This is based on Rocko release
> https://github.com/Xilinx/meta-xilinx/blob/master-next/meta-xilinx-bsp/recipes-
> graphics/mali/kernel-module-mali.bb
>
master-next is WIP tree, may not be in sync with master.
> If that is the case, it'll probably fail to apply.
The patch should be apply to master tree, if not it will fail
Thanks,
Manju
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