diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/head507d.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/head507d.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head507d.c b/drivers/gpu/drm/nouveau/dispnv50/head507d.c index 51bc5996fd37..7561be5ca707 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/head507d.c +++ b/drivers/gpu/drm/nouveau/dispnv50/head507d.c @@ -254,6 +254,23 @@ head507d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh) } } +static void +head507d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem) +{ + for (; size--; in++, mem += 8) { + writew(drm_color_lut_extract(in-> red, 11) << 3, mem + 0); + writew(drm_color_lut_extract(in->green, 11) << 3, mem + 2); + writew(drm_color_lut_extract(in-> blue, 11) << 3, mem + 4); + } + + /* INTERPOLATE modes require a "next" entry to interpolate with, + * so we replicate the last entry to deal with this for now. + */ + writew(readw(mem - 8), mem + 0); + writew(readw(mem - 6), mem + 2); + writew(readw(mem - 4), mem + 4); +} + void head507d_olut(struct nv50_head *head, struct nv50_head_atom *asyh) { @@ -261,6 +278,8 @@ head507d_olut(struct nv50_head *head, struct nv50_head_atom *asyh) asyh->olut.mode = 0; else asyh->olut.mode = 1; + + asyh->olut.load = head507d_olut_load; } void |