On Wed, Mar 23, 2022 at 09:45:13AM +, Robin Murphy wrote:
> On 2022-03-23 07:15, Christian König wrote:
> > Am 22.03.22 um 10:34 schrieb Cong Liu:
> > > qxl use ioremap to map ram_header and rom, in the arm64 implementation,
> > > the device is mapped as DEVICE_nGnRE, it can not support unalign
Hi Christian,another commit fix the case in ttm. I send two patches at the same time, but seems I miss '--cover-letter' when run format-patch or some other bad operation.Regards,Cong.
主 题：Re: 回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64
日 期：2
On 2022-03-23 10:11, Gerd Hoffmann wrote:
On Wed, Mar 23, 2022 at 09:45:13AM +, Robin Murphy wrote:
On 2022-03-23 07:15, Christian K�nig wrote:
Am 22.03.22 um 10:34 schrieb Cong Liu:
qxl use ioremap to map ram_header and rom, in the arm64 implementation,
the device is mapped as DEVICE_nG
On 2022-03-23 07:15, Christian König wrote:
Am 22.03.22 um 10:34 schrieb Cong Liu:
qxl use ioremap to map ram_header and rom, in the arm64 implementation,
the device is mapped as DEVICE_nGnRE, it can not support unaligned
access.
Well that some ARM boards doesn't allow unaligned access to MMIO
Hi Christian,according to 'Arm Architecture Reference Manual Armv8,for Armv8-Aarchitecture profile' pdf E2.6.5E2.6.5 Generation of Alignment faults by load/store multiple accesses to Device memory When FEAT_LSMAOC is implemented and the value of the applicable nTLSMD field is 0, any memory access b
