diff options
author | James Simmons <jsimmons@infradead.org> | 2010-08-03 00:33:19 (GMT) |
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committer | Dave Airlie <airlied@redhat.com> | 2010-08-10 00:47:00 (GMT) |
commit | 7203425a943eb3e189ba6b512827e0deb5f23872 (patch) | |
tree | e0fdc7ed583f6990bbffde67f4f45b1f11b5a39e /drivers/gpu/drm/nouveau/nv50_crtc.c | |
parent | 38fcbb674d7cc37b38473a89e8045ee80364e4f9 (diff) | |
download | linux-7203425a943eb3e189ba6b512827e0deb5f23872.tar.xz |
drm: expand gamma_set
Expand the crtc_gamma_set function to accept a starting offset. The
reason for this is to eventually use this function for setcolreg from
drm_fb_helper.c. The fbdev colormap function can start at any offset in
the color map.
Signed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_crtc.c | 9 |
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 dbd9a63..bfd4ca2 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]; |