Dropped in favor of https://lkml.org/lkml/2019/1/29/910
On 1/24/19 5:02 PM, Julien Grall wrote:
>
>
> On 24/01/2019 14:34, Oleksandr Andrushchenko wrote:
>> Hello, Julien!
>
> Hi,
>
>> On 1/22/19 1:44 PM, Julien Grall wrote:
>>>
>>>
>>> On 1/22/19 10:28 AM, Oleksandr Andrushchenko wrote:
Hell
On 1/24/19 5:02 PM, Julien Grall wrote:
>
>
> On 24/01/2019 14:34, Oleksandr Andrushchenko wrote:
>> Hello, Julien!
>
> Hi,
>
>> On 1/22/19 1:44 PM, Julien Grall wrote:
>>>
>>>
>>> On 1/22/19 10:28 AM, Oleksandr Andrushchenko wrote:
Hello, Julien!
>>>
>>> Hi,
>>>
On 1/21/19 7:09 PM, Julie
On 24/01/2019 14:34, Oleksandr Andrushchenko wrote:
Hello, Julien!
Hi,
On 1/22/19 1:44 PM, Julien Grall wrote:
On 1/22/19 10:28 AM, Oleksandr Andrushchenko wrote:
Hello, Julien!
Hi,
On 1/21/19 7:09 PM, Julien Grall wrote:
Well, I didn't get the attributes of pages at the backend si
Hello, Julien!
Sorry for the late reply - it took quite some time to collect the data
requested.
On 1/22/19 1:44 PM, Julien Grall wrote:
>
>
> On 1/22/19 10:28 AM, Oleksandr Andrushchenko wrote:
>> Hello, Julien!
>
> Hi,
>
>> On 1/21/19 7:09 PM, Julien Grall wrote:
>> Well, I didn't get the attri
On 1/22/19 10:28 AM, Oleksandr Andrushchenko wrote:
Hello, Julien!
Hi,
On 1/21/19 7:09 PM, Julien Grall wrote:
Well, I didn't get the attributes of pages at the backend side, but IMO
those
do not matter in my use-case (for simplicity I am not using zero-copying at
backend side):
They are
Hello, Julien!
On 1/21/19 7:09 PM, Julien Grall wrote:
> Hello,
>
> On 21/01/2019 12:43, Oleksandr Andrushchenko wrote:
>> On 1/18/19 1:43 PM, Julien Grall wrote:
>>> On 18/01/2019 09:40, Oleksandr Andrushchenko wrote:
On 1/17/19 11:18 AM, Christoph Hellwig wrote:
> On Wed, Jan 16, 2019 a
Hello,
On 21/01/2019 12:43, Oleksandr Andrushchenko wrote:
On 1/18/19 1:43 PM, Julien Grall wrote:
On 18/01/2019 09:40, Oleksandr Andrushchenko wrote:
On 1/17/19 11:18 AM, Christoph Hellwig wrote:
On Wed, Jan 16, 2019 at 06:43:29AM +, Oleksandr Andrushchenko
wrote:
This whole issue keeps
On 1/18/19 1:43 PM, Julien Grall wrote:
> (+ Stefano)
>
> Hi,
>
> Sorry for jumping late in the conversation.
>
> On 18/01/2019 09:40, Oleksandr Andrushchenko wrote:
>> On 1/17/19 11:18 AM, Christoph Hellwig wrote:
>>> On Wed, Jan 16, 2019 at 06:43:29AM +, Oleksandr Andrushchenko
>>> wrote:
>>
(+ Stefano)
Hi,
Sorry for jumping late in the conversation.
On 18/01/2019 09:40, Oleksandr Andrushchenko wrote:
On 1/17/19 11:18 AM, Christoph Hellwig wrote:
On Wed, Jan 16, 2019 at 06:43:29AM +, Oleksandr Andrushchenko wrote:
This whole issue keeps getting more and more confusing.
Well
On 1/17/19 11:18 AM, Christoph Hellwig wrote:
> On Wed, Jan 16, 2019 at 06:43:29AM +, Oleksandr Andrushchenko wrote:
>>> This whole issue keeps getting more and more confusing.
>> Well, I don't really do DMA here, but instead the buffers in
>> question are shared with other Xen domain, so effec
On Wed, Jan 16, 2019 at 06:43:29AM +, Oleksandr Andrushchenko wrote:
> > This whole issue keeps getting more and more confusing.
> Well, I don't really do DMA here, but instead the buffers in
> question are shared with other Xen domain, so effectively it
> could be thought of some sort of DMA h
On 1/16/19 8:36 AM, Christoph Hellwig wrote:
> On Wed, Jan 16, 2019 at 07:30:02AM +0100, Gerd Hoffmann wrote:
>>Hi,
>>
>>> + if (!dma_map_sg(dev->dev, xen_obj->sgt->sgl, xen_obj->sgt->nents,
>>> + DMA_BIDIRECTIONAL)) {
>>> + ret = -EFAULT;
>>> + goto fail
On 1/16/19 8:30 AM, Gerd Hoffmann wrote:
>Hi,
>
>> +if (!dma_map_sg(dev->dev, xen_obj->sgt->sgl, xen_obj->sgt->nents,
>> +DMA_BIDIRECTIONAL)) {
>> +ret = -EFAULT;
>> +goto fail_free_sgt;
>> +}
> Hmm, so it seems the arm guys could not come up
On Wed, Jan 16, 2019 at 07:30:02AM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > + if (!dma_map_sg(dev->dev, xen_obj->sgt->sgl, xen_obj->sgt->nents,
> > + DMA_BIDIRECTIONAL)) {
> > + ret = -EFAULT;
> > + goto fail_free_sgt;
> > + }
>
> Hmm, so it seems the ar
Hi,
> + if (!dma_map_sg(dev->dev, xen_obj->sgt->sgl, xen_obj->sgt->nents,
> + DMA_BIDIRECTIONAL)) {
> + ret = -EFAULT;
> + goto fail_free_sgt;
> + }
Hmm, so it seems the arm guys could not come up with a suggestion how to
solve that one in a b
From: Oleksandr Andrushchenko
When GEM backing storage is allocated with drm_gem_get_pages
the backing pages may be cached, thus making it possible that
the backend sees only partial content of the buffer which may
lead to screen artifacts. Make sure that the frontend's
memory is coherent and the
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