> On July 6, 2019 at 4:07 PM Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote:
>
>
> Enable the GAMMA_LUT KMS property using the framework helpers to
> register the proeprty and the associated gamma table size maximum size.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> index 3dac605c3a67..222ccc20d6d8 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> @@ -1082,6 +1082,7 @@ static const struct drm_crtc_funcs crtc_funcs_gen3 = {
> .set_crc_source = rcar_du_crtc_set_crc_source,
> .verify_crc_source = rcar_du_crtc_verify_crc_source,
> .get_crc_sources = rcar_du_crtc_get_crc_sources,
> + .gamma_set = drm_atomic_helper_legacy_gamma_set,
> };
>
> /* -----------------------------------------------------------------------------
> @@ -1205,6 +1206,9 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
> if (rcdu->cmms[swindex]) {
> rcrtc->cmm = rcdu->cmms[swindex];
> rgrp->cmms_mask |= BIT(hwindex % 2);
> +
> + drm_mode_crtc_set_gamma_size(crtc, CMM_GAMMA_LUT_SIZE);
> + drm_crtc_enable_color_mgmt(crtc, 0, false, CMM_GAMMA_LUT_SIZE);
> }
>
> drm_crtc_helper_add(crtc, &crtc_helper_funcs);
> --
> 2.21.0
>
Reviewed-by: Ulrich Hecht <uli+renesas@xxxxxxxx>
CU
Uli
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