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path: root/drivers/gpu/drm/nouveau/nv50_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index dbd9a63bc7f2..bfd4ca2fe7ef 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -398,15 +398,12 @@ nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
static void
nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
- uint32_t size)
+ uint32_t start, uint32_t size)
{
+ int end = (start + size > 256) ? 256 : start + size, i;
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
- int i;
-
- if (size != 256)
- return;
- for (i = 0; i < 256; i++) {
+ for (i = start; i < end; i++) {
nv_crtc->lut.r[i] = r[i];
nv_crtc->lut.g[i] = g[i];
nv_crtc->lut.b[i] = b[i];
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