On Thu, 10 Sep 2020 at 14:33, Tom Murphy wrote:
>
> On Wed, 9 Sep 2020 at 13:56, Tvrtko Ursulin
> wrote:
> >
> >
> > On 09/09/2020 10:16, Tvrtko Ursulin wrote:
> > > On 08/09/2020 23:43, Tom Murphy wrote:
> > >> On Tue, 8 Sep 2020 at 16:56, Tvrtko Ursulin
> > >> wrote:
> > >>> On 08/09/2020 16:4
On Wed, 9 Sep 2020 at 13:56, Tvrtko Ursulin
wrote:
>
>
> On 09/09/2020 10:16, Tvrtko Ursulin wrote:
> > On 08/09/2020 23:43, Tom Murphy wrote:
> >> On Tue, 8 Sep 2020 at 16:56, Tvrtko Ursulin
> >> wrote:
> >>> On 08/09/2020 16:44, Logan Gunthorpe wrote:
> On 2020-09-08 9:28 a.m., Tvrtko Ursu
On Tue, 8 Sep 2020 at 16:56, Tvrtko Ursulin
wrote:
>
>
> On 08/09/2020 16:44, Logan Gunthorpe wrote:
> > On 2020-09-08 9:28 a.m., Tvrtko Ursulin wrote:
> >>>
> >>> diff --git a/drivers/gpu/drm/i915/i915_scatterlist.h
> >>> b/drivers/gpu/drm/i915/i915
> >>> index b7b59328cb76..9367ac801f0c 100644
>
On Fri, 28 Aug 2020 at 00:34, Tom Murphy wrote:
>
> On Thu, 27 Aug 2020 at 22:36, Logan Gunthorpe wrote:
> >
> >
> >
> > On 2020-08-23 6:04 p.m., Tom Murphy wrote:
> > > I have added a check for the sg_dma_len == 0 :
> > > """
> > > } __sgt_iter(struct scatterlist *sgl, bool dma) {
> > >
On Thu, 27 Aug 2020 at 22:36, Logan Gunthorpe wrote:
>
>
>
> On 2020-08-23 6:04 p.m., Tom Murphy wrote:
> > I have added a check for the sg_dma_len == 0 :
> > """
> > } __sgt_iter(struct scatterlist *sgl, bool dma) {
> > struct sgt_iter s = { .sgp = sgl };
> >
> > + if (sgl && sg_dm
On Mon, Aug 24, 2020 at 2:56 AM Tom Murphy wrote:
>
> Hi Logan/All,
>
> I have added a check for the sg_dma_len == 0 :
> """
> } __sgt_iter(struct scatterlist *sgl, bool dma) {
> struct sgt_iter s = { .sgp = sgl };
>
> + if (sgl && sg_dma_len(sgl) == 0)
> + s.sgp = NULL;
>
That would be great!
On Wed., Aug. 26, 2020, 2:14 p.m. Robin Murphy,
wrote:
> Hi Tom,
>
> On 2019-12-21 15:03, Tom Murphy wrote:
> > This patchset converts the intel iommu driver to the dma-iommu api.
> >
> > While converting the driver I exposed a bug in the intel i915 driver
> which causes a h
Hi Tom,
On 2019-12-21 15:03, Tom Murphy wrote:
This patchset converts the intel iommu driver to the dma-iommu api.
While converting the driver I exposed a bug in the intel i915 driver which
causes a huge amount of artifacts on the screen of my laptop. You can see a
picture of it here:
https:/
Hi Logan/All,
I have added a check for the sg_dma_len == 0 :
"""
} __sgt_iter(struct scatterlist *sgl, bool dma) {
struct sgt_iter s = { .sgp = sgl };
+ if (sgl && sg_dma_len(sgl) == 0)
+ s.sgp = NULL;
if (s.sgp) {
.
"""
at location [1].
but it do
On Thu, May 28, 2020 at 06:00:44PM -0600, Logan Gunthorpe wrote:
> > This issue is most likely in the i915 driver and is most likely caused by
> > the driver not respecting the return value of the dma_map_ops::map_sg
> > function. You can see the driver ignoring the return value here:
> > https:/
Any news on this? Is there anyone who wants to try and fix this possible bug?
On Mon, 23 Dec 2019 at 03:41, Jani Nikula wrote:
>
> On Mon, 23 Dec 2019, Robin Murphy wrote:
> > On 2019-12-23 10:37 am, Jani Nikula wrote:
> >> On Sat, 21 Dec 2019, Tom Murphy wrote:
> >>> This patchset converts the
On Mon, 23 Dec 2019, Robin Murphy wrote:
> On 2019-12-23 10:37 am, Jani Nikula wrote:
>> On Sat, 21 Dec 2019, Tom Murphy wrote:
>>> This patchset converts the intel iommu driver to the dma-iommu api.
>>>
>>> While converting the driver I exposed a bug in the intel i915 driver
>>> which causes a h
On 2019-12-23 10:37 am, Jani Nikula wrote:
On Sat, 21 Dec 2019, Tom Murphy wrote:
This patchset converts the intel iommu driver to the dma-iommu api.
While converting the driver I exposed a bug in the intel i915 driver
which causes a huge amount of artifacts on the screen of my
laptop. You can
On Sat, 21 Dec 2019, Tom Murphy wrote:
> This patchset converts the intel iommu driver to the dma-iommu api.
>
> While converting the driver I exposed a bug in the intel i915 driver
> which causes a huge amount of artifacts on the screen of my
> laptop. You can see a picture of it here:
> https://
This patchset converts the intel iommu driver to the dma-iommu api.
While converting the driver I exposed a bug in the intel i915 driver which
causes a huge amount of artifacts on the screen of my laptop. You can see a
picture of it here:
https://github.com/pippy360/kernelPatches/blob/master/IMG
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