bionic doesn't provide strchrnul(), add an internal implementation to
support Android builds.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
[Add configure check for strchrnul]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

We don't want to build libdrm tests with Cairo support under Poky, since
they're never used and also cause a build loop from libdrm -> cairo ->
mesa-dri -> libdrm.

To avoid variance in build results, introduce a --disable-cairo-tests
switch.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

Signed-off-by: Marek Olšák <maraeo@gmail.com>

If color format for CRTC layer is not specified on commandline, then
c->fourcc is unintialized resulting in addfb call failing.

Signed-off-by: Rob Clark <rob@ti.com>

As the modeset test application is often referred to as an example of
the KMS API usage, move test pattern generation and buffer allocation to
a separate file to keep it simple and clear.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

This will make it easier to add additional parameters to the connector
and plane arguments.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Implement tiles and SMPTE test pattern generation for the RGB565,
BGR888, RGB888, ARGB8888, BGRA8888 and BGRX8888 formats.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>