On 05/20/16 10:05, Daniel Vetter wrote:
> On Fri, May 20, 2016 at 09:35:56AM +0300, Jyri Sarha wrote:
>> > Implement gamma_lut atomic crtc property, set crtc gamma size to 256
>> > for all crtcs and use drm_atomic_helper_legacy_gamma_set() as
>> > gamma_set func. The tv-out crtc has 1024 element gamma table (with
>> > 10bit precision) in HW, but current Xorg server does not accept
>> > anything else but 256 elements so that is used for all CRTCs. The dss
>> > dispc API converts table of any length for HW and uses linear
>> > interpolation in the process.
>> >
>> > Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
> I think you also want to wire up drm_atomic_helper_legacy_gamma_set so
> that legacy clients using the gamma ioctl will work with this support.
But it is there couple of lines down, or am I missing something?
BR,
Jyri
>
>> > ---
>> > drivers/gpu/drm/omapdrm/omap_crtc.c | 20 ++++++++++++++++++++
>> > 1 file changed, 20 insertions(+)
...
>> > @@ -460,6 +469,7 @@ static const struct drm_crtc_funcs omap_crtc_funcs = {
>> > .set_config = drm_atomic_helper_set_config,
>> > .destroy = omap_crtc_destroy,
>> > .page_flip = drm_atomic_helper_page_flip,
>> > + .gamma_set = drm_atomic_helper_legacy_gamma_set,
Here ^^^
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