For GF119:GV100, we can enable DEGAMMA/CTM/GAMMA. For earlier GPUs, as
there is no CTM, having both degamma and gamma is a bit pointless. Later
GPUs currently lack an implementation.
Signed-off-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/dispnv50/head.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c
index 06ee23823a68..f42aa79f2f40 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -499,6 +499,11 @@ nv50_head_create(struct drm_device *dev, int index)
&nv50_head_func, "head-%d", head->base.index);
drm_crtc_helper_add(crtc, &nv50_head_help);
drm_mode_crtc_set_gamma_size(crtc, 256);
+ if (disp->disp->object.oclass >= GF110_DISP &&
+ disp->disp->object.oclass < GV100_DISP)
+ drm_crtc_enable_color_mgmt(crtc, 256, true, 256);
+ else
+ drm_crtc_enable_color_mgmt(crtc, 0, false, 256);
if (head->func->olut_set) {
ret = nv50_lut_init(disp, &drm->client.mmu, &head->olut);
--
2.21.0
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