On Fri, 18 Dec 2020 16:10:12 +0800,
Christian König wrote:
>
> Am 18.12.20 um 04:51 schrieb Chen Li:
> > [SNIP]
> If your ARM base board can't do that for some then you can't use the
> hardware
> with that board.
> >>> Good to know, thanks! BTW, have you ever seen or heard boards l
On 2020-12-18 14:33, Christian König wrote:
Am 18.12.20 um 15:17 schrieb Robin Murphy:
On 2020-12-17 14:02, Christian König wrote:
[SNIP]
Do you have some background why some ARM boards fail with that?
We had a couple of reports that memset/memcpy fail in userspace
(usually system just sponta
On 2020-12-18 06:14, Chen Li wrote:
[...]
No, not performance. See standards like OpenGL, Vulkan as well as VA-API and
VDPAU require that you can mmap() device memory and execute memset/memcpy on
the memory from userspace.
If your ARM base board can't do that for some then you can't use the hard
Am 18.12.20 um 15:17 schrieb Robin Murphy:
On 2020-12-17 14:02, Christian König wrote:
[SNIP]
Do you have some background why some ARM boards fail with that?
We had a couple of reports that memset/memcpy fail in userspace
(usually system just spontaneously reboots or becomes unresponsive),
bu
On 2020-12-17 14:02, Christian König wrote:
Am 17.12.20 um 14:45 schrieb Robin Murphy:
On 2020-12-17 10:25, Christian König wrote:
Am 17.12.20 um 02:07 schrieb Chen Li:
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:
Am 18.12.20 um 09:52 schrieb Chen Li:
On Fri, 18 Dec 2020 16:10:12 +0800,
Christian König wrote:
Am 18.12.20 um 04:51 schrieb Chen Li:
[SNIP]
If your ARM base board can't do that for some then you can't use the hardware
with that board.
Good to know, thanks! BTW, have you ever seen or heard b
On Thu, 17 Dec 2020 22:16:59 +0800,
Christian König wrote:
>
> Am 17.12.20 um 14:37 schrieb Chen Li:
> > On Thu, 17 Dec 2020 18:25:11 +0800,
> > Christian König wrote:
> >> Am 17.12.20 um 02:07 schrieb Chen Li:
> >>> On Wed, 16 Dec 2020 22:19:11 +0800,
> >>> Christian König wrote:
> Am 16.12.
On Thu, 17 Dec 2020 21:45:06 +0800,
Robin Murphy wrote:
>
> On 2020-12-17 10:25, Christian König wrote:
> > Am 17.12.20 um 02:07 schrieb Chen Li:
> >> On Wed, 16 Dec 2020 22:19:11 +0800,
> >> Christian König wrote:
> >>> Am 16.12.20 um 14:48 schrieb Chen Li:
> On Wed, 16 Dec 2020 15:59:37 +08
On Thu, 17 Dec 2020 18:25:11 +0800,
Christian König wrote:
>
> Am 17.12.20 um 02:07 schrieb Chen Li:
> > On Wed, 16 Dec 2020 22:19:11 +0800,
> > Christian König wrote:
> >> Am 16.12.20 um 14:48 schrieb Chen Li:
> >>> On Wed, 16 Dec 2020 15:59:37 +0800,
> >>> Christian König wrote:
> [SNIP]
>
Am 18.12.20 um 04:51 schrieb Chen Li:
[SNIP]
If your ARM base board can't do that for some then you can't use the hardware
with that board.
Good to know, thanks! BTW, have you ever seen or heard boards like mine which
cannot mmap device memory correctly from userspace correctly?
Unfortunately
Am Donnerstag, den 17.12.2020, 15:02 +0100 schrieb Christian König:
> Am 17.12.20 um 14:45 schrieb Robin Murphy:
> > On 2020-12-17 10:25, Christian König wrote:
> > > Am 17.12.20 um 02:07 schrieb Chen Li:
> > > > On Wed, 16 Dec 2020 22:19:11 +0800,
> > > > Christian König wrote:
> > > > > Am 16.12.
Am 17.12.20 um 14:37 schrieb Chen Li:
On Thu, 17 Dec 2020 18:25:11 +0800,
Christian König wrote:
Am 17.12.20 um 02:07 schrieb Chen Li:
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
[
Am 17.12.20 um 14:45 schrieb Robin Murphy:
On 2020-12-17 10:25, Christian König wrote:
Am 17.12.20 um 02:07 schrieb Chen Li:
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
[SNIP]
Hi,
On 2020-12-17 10:25, Christian König wrote:
Am 17.12.20 um 02:07 schrieb Chen Li:
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
[SNIP]
Hi, Christian. I'm not sure why this change is a
Am 17.12.20 um 02:07 schrieb Chen Li:
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
[SNIP]
Hi, Christian. I'm not sure why this change is a hack here. I cannot see the
problem and wl
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
>
> Am 16.12.20 um 06:41 schrieb Chen Li:
> > When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:
> >
> > [ 11.240414] pc : __memset+0x4c/0x188
> > [ 11.244101] lr : radeon_uvd_get_create_msg+0x114/0x1d0 [radeon]
> > [
On Wed, 16 Dec 2020 22:19:11 +0800,
Christian König wrote:
>
> Am 16.12.20 um 14:48 schrieb Chen Li:
> > On Wed, 16 Dec 2020 15:59:37 +0800,
> > Christian König wrote:
> >> Am 16.12.20 um 06:41 schrieb Chen Li:
> >>> When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:
> >>> [SNIP]
>
Am 16.12.20 um 14:48 schrieb Chen Li:
On Wed, 16 Dec 2020 15:59:37 +0800,
Christian König wrote:
Am 16.12.20 um 06:41 schrieb Chen Li:
When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:
[SNIP]
Obviously, the __memset call is generated by gcc(8.3.1). It optimizes
this for loop in
Hi Chen,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.10 next-20201215]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
Hi Chen,
url:
https://github.com/0day-ci/linux/commits/Chen-Li/drm-amdgpu-radeon-fix-memset-on-io-mem/20201216-165835
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
d01e7f10dae29eba0f9ada82b65d24e035d5b2f9
config: x86_64-randconfig-m001-20201216 (attached as .co
When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:
[ 11.240414] pc : __memset+0x4c/0x188
[ 11.244101] lr : radeon_uvd_get_create_msg+0x114/0x1d0 [radeon]
[ 11.249995] sp : 0d7eb700
[ 11.253295] x29: 0d7eb700 x28: 8001f632a868
[ 11.258585] x27: 00
Am 16.12.20 um 06:41 schrieb Chen Li:
When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:
[ 11.240414] pc : __memset+0x4c/0x188
[ 11.244101] lr : radeon_uvd_get_create_msg+0x114/0x1d0 [radeon]
[ 11.249995] sp : 0d7eb700
[ 11.253295] x29: 0d7eb700 x28: 8
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