On Wed, 16 Jan 2019 at 16:06, h...@lst.de wrote:
> On Wed, Jan 16, 2019 at 07:28:13AM +, Koenig, Christian wrote:
> > To summarize once more: We have an array of struct pages and want to
> > coherently map that to a device.
>
> And the answer to that is very simple: you can't. What is so hard
Hi Gerd,
On 14 March 2018 at 08:03, Gerd Hoffmann wrote:
>> Either mlock account (because it's mlocked defacto), and get_user_pages
>> won't do that for you.
>>
>> Or you write the full-blown userptr implementation, including mmu_notifier
>> support (see i915 or amdgpu), but that also requires Ch
Hi Randy,
On 4 January 2017 at 16:29, Randy Li wrote:
> index 90d2cc8..23c8e99 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -165,6 +165,9 @@ const struct drm_format_info *__drm_format_info(u32
> format)
> { .format = DRM_FORMAT_UYVY,
Hi Randy,
On 2 January 2017 at 09:50, Randy Li wrote:
> P010 is a planar 4:2:0 YUV with interleaved UV plane, 10 bits
> per channel video format. Rockchip's vop support this
> video format(little endian only) as the input video format.
>
> Signed-off-by: Randy Li
> ---
> include/uapi/drm/drm_fo
Hi all,
On 2 January 2017 at 13:03, ayaka wrote:
> On 01/02/2017 07:07 PM, Sakari Ailus wrote:
>> On Mon, Jan 02, 2017 at 06:53:16PM +0800, ayaka wrote:
>>> On 01/02/2017 05:10 PM, Sakari Ailus wrote:
If the format resembles the existing formats but on a different bit
depth,
it sho
Hi,
On Tue, 2013-08-06 at 12:31 +0100, Tom Cooksey wrote:
> > >> On Fri, Jul 26, 2013 at 11:58 AM, Tom Cooksey
> > >> wrote:
> > that was part of the reason to punt this problem to userspace ;-)
> >
> > In practice, the kernel drivers doesn't usually know too much about
> > the dimensions/format/
Hi,
On Tue, Jun 14, 2011 at 06:03:00PM +0200, Arnd Bergmann wrote:
> On Tuesday 14 June 2011, Michal Nazarewicz wrote:
> > On Tue, 14 Jun 2011 15:49:29 +0200, Arnd Bergmann wrote:
> > > Please explain the exact requirements that lead you to defining multiple
> > > contexts.
> >
> > Some devices