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path: root/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c')
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index cc00ce3bbaa5..f6b8c5908a20 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -430,6 +430,7 @@ static const struct drm_crtc_funcs atmel_hlcdc_crtc_funcs = {
.enable_vblank = atmel_hlcdc_crtc_enable_vblank,
.disable_vblank = atmel_hlcdc_crtc_disable_vblank,
.set_property = drm_atomic_helper_crtc_set_property,
+ .gamma_set = drm_atomic_helper_legacy_gamma_set,
};
int atmel_hlcdc_crtc_create(struct drm_device *dev)
@@ -485,6 +486,10 @@ int atmel_hlcdc_crtc_create(struct drm_device *dev)
drm_crtc_helper_add(&crtc->base, &lcdc_crtc_helper_funcs);
drm_crtc_vblank_reset(&crtc->base);
+ drm_mode_crtc_set_gamma_size(&crtc->base, ATMEL_HLCDC_CLUT_SIZE);
+ drm_crtc_enable_color_mgmt(&crtc->base, 0, false,
+ ATMEL_HLCDC_CLUT_SIZE);
+
dc->crtc = &crtc->base;
return 0;