[PATCH 2/2] drm/nouveau/kms/nv50-: enable modern color management properties

Ilia Mirkin imirkin at alum.mit.edu
Tue Jun 11 02:32:45 UTC 2019


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 at alum.mit.edu>
---
 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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