On 11/29/22 18:42, Daniel Stone wrote:
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Hi Randy,
On Tue, 29 Nov 2022 at 10:11, Hsia-Jun Li wrote:
Currently, we assume all the pixel formats are
On Tue, 29 Nov 2022 18:10:30 +0800
Hsia-Jun Li wrote:
> From: "Hsia-Jun(Randy) Li"
>
> Hello All
>
> Currently, we assume all the pixel formats are multiple planes,
Hi,
that's not true for any definition of "multiple planes" that I know of.
For example, DRM_FORMAT_XRGB is a
On 11/29/22 18:18, Simon Ser wrote:
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Format modifiers are for the buffer layout only, not for the allocation
parameters, placement, etc. See the doc
Hi Randy,
On Tue, 29 Nov 2022 at 10:11, Hsia-Jun Li wrote:
> Currently, we assume all the pixel formats are multiple planes, devices
> could support each component has its own memory plane.
> But that may not apply for any device in the world. We could have a
> device without IOMMU then this is
Format modifiers are for the buffer layout only, not for the allocation
parameters, placement, etc. See the doc comment at the top of
drm_fourcc.h.
From: "Hsia-Jun(Randy) Li"
Hello All
Currently, we assume all the pixel formats are multiple planes, devices
could support each component has its own memory plane.
But that may not apply for any device in the world. We could have a
device without IOMMU then this is not impossible.
Besides,
