drm/nouveau/kms/gf119-: allow both 256- and 1024-sized LUTs to be used

[linux.git] / drivers / gpu / drm / nouveau / dispnv50 / headc37d.c

diff --git a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
index ef6a99d95a9cd009cfe9ad637dc0646e9ddbadad..00011ce109a629da6a1f5f47453e1ecc3f298aac 100644 (file)
--- a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
@@ -148,14 +148,18 @@ headc37d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
        }
 }
 
-static void
-headc37d_olut(struct nv50_head *head, struct nv50_head_atom *asyh)
+static bool
+headc37d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
 {
+       if (size != 256 && size != 1024)
+               return false;
+
        asyh->olut.mode = 2;
-       asyh->olut.size = 0;
+       asyh->olut.size = size == 1024 ? 2 : 0;
        asyh->olut.range = 0;
        asyh->olut.output_mode = 1;
        asyh->olut.load = head907d_olut_load;
+       return true;
 }
 
 static void
@@ -201,6 +205,7 @@ headc37d = {
        .view = headc37d_view,
        .mode = headc37d_mode,
        .olut = headc37d_olut,
+       .olut_size = 1024,
        .olut_set = headc37d_olut_set,
        .olut_clr = headc37d_olut_clr,
        .curs_layout = head917d_curs_layout,