[PATCH libdrm 00/10] Add C8, 30bpp and FP16 support to modetest

[Ilia Mirkin]

On Sun, Jun 2, 2019 at 8:40 PM Ilia Mirkin <imirkin at alum.mit.edu> wrote:
>
> This series improves the pattern generation logic to support additional
> formats, as well as a new "gradient" pattern (see patch comments on why
> I found it useful).
>
> Furthermore, these formats are piped through to modetest, including the
> ability to set a gamma table, which is necessary for the C8 indexed
> format.
>
> This was tested on nouveau, and used for bring-up of the C8, XB30, and
> FP16 formats on the NVIDIA hardware that supports these.

Just to follow up, I've successfully tested on an Intel SKL with C8
and XB30/XR30 as well (and confirmed that the GAMMA_LUT gets unset in
a sequence of C8 followed by XB30). FP16 was not available on the
kernel I am currently using (and perhaps not the HW?)

  -ilia

>
> Ilia Mirkin (10):
>   util: add C8 format, support it with SMPTE pattern
>   util: fix MAKE_RGBA macro for 10bpp modes
>   util: add gradient pattern
>   util: add fp16 format support
>   util: add cairo drawing for 30bpp formats when available
>   modetest: don't pretend that atomic mode includes a format
>   modetest: add an add_property_optional variant that does not print
>     errors
>   modetest: add C8 support to generate SMPTE pattern
>   modetest: add the ability to specify fill patterns on the commandline
>   modetest: add FP16 format support
>
>  tests/modetest/buffers.c  |  13 ++
>  tests/modetest/modetest.c | 109 ++++++++--
>  tests/util/format.c       |   7 +
>  tests/util/pattern.c      | 432 +++++++++++++++++++++++++++++++++++++-
>  tests/util/pattern.h      |   7 +
>  5 files changed, 543 insertions(+), 25 deletions(-)
>
> --
> 2.21.0
>