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 | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index e6d3df37c827..c920fb5dba65 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -1207,6 +1207,9 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
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
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