[PATCH v16 1/6] drm/i915/gvt: Add framebuffer decoder support

Zhang, Tina tina.zhang at intel.com
Mon Nov 6 09:07:35 UTC 2017



> -----Original Message-----
> From: intel-gvt-dev [mailto:intel-gvt-dev-bounces at lists.freedesktop.org] On
> Behalf Of Gerd Hoffmann
> Sent: Monday, November 6, 2017 4:49 PM
> To: Zhang, Tina <tina.zhang at intel.com>; alex.williamson at redhat.com;
> chris at chris-wilson.co.uk; joonas.lahtinen at linux.intel.com;
> zhenyuw at linux.intel.com; Lv, Zhiyuan <zhiyuan.lv at intel.com>; Wang, Zhi A
> <zhi.a.wang at intel.com>; Tian, Kevin <kevin.tian at intel.com>; daniel at ffwll.ch;
> kwankhede at nvidia.com
> Cc: intel-gfx at lists.freedesktop.org; intel-gvt-dev at lists.freedesktop.org; linux-
> kernel at vger.kernel.org
> Subject: Re: [PATCH v16 1/6] drm/i915/gvt: Add framebuffer decoder support
> 
>   Hi,
> 
> > +static struct pixel_format bdw_pixel_formats[] = {
> > +	{DRM_FORMAT_C8, 8, "8-bit Indexed"},
> 
> > +static struct pixel_format skl_pixel_formats[] = {
> > +	{DRM_FORMAT_YUYV, 16, "16-bit packed YUYV (8:8:8:8 MSB-
> > V:Y2:U:Y1)"},
> 
> Broadwell and Skylake.
> 
> What is the state for newer chipsets?
> 
> Is Kabylake supported by gvt meanwhile?  Does it need specific fb decoder
> support, or is it compatible with skylake?
Kabylake is supported by gvt. And the fb part should be compatible with skylake. But I haven't tested it yet.
Besides, the current version needs to add some platform checking logic to support Kabylake.
Thanks.

BR,
Tina
> 
> cheers,
>   Gerd
> 
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