diff options
| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2019-09-06 07:13:59 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-01-15 03:49:58 +0300 |
| commit | 131992709dc4c6140cec3b352f820cb873f7dd50 (patch) | |
| tree | 071b2b1facb94d5a9c3c1a40fd35682e6b0b4ad1 /drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c | |
| parent | 11a8630917b681ff2f5320938b8d76b354c89d34 (diff) | |
| download | linux-131992709dc4c6140cec3b352f820cb873f7dd50.tar.xz | |
drm/nouveau/kms/gf119-: allow both 256- and 1024-sized LUTs to be used
The hardware supports either size. Also add checks to ensure that only
these two sizes may be used for supplying a LUT.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c b/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c index a311c79e5295..35c9c52fab26 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c @@ -156,19 +156,21 @@ wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem) writew(readw(mem - 4), mem + 4); } -static void -wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) +static bool +wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size) { - u16 size = asyw->ilut->length / sizeof(struct drm_color_lut); + if (size = size ? size : 1024, size != 256 && size != 1024) + return false; + if (size == 256) { asyw->xlut.i.mode = 1; /* DIRECT8. */ } else { asyw->xlut.i.mode = 2; /* DIRECT10. */ - size = 1024; } asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */; asyw->xlut.i.output_mode = 0; /* INTERPOLATE_DISABLE. */ asyw->xlut.i.load = wndwc57e_ilut_load; + return true; } static const struct nv50_wndw_func @@ -183,6 +185,7 @@ wndwc57e = { .ntfy_wait_begun = base507c_ntfy_wait_begun, .ilut = wndwc57e_ilut, .ilut_identity = true, + .ilut_size = 1024, .xlut_set = wndwc57e_ilut_set, .xlut_clr = wndwc57e_ilut_clr, .csc = base907c_csc, |