drm/nvd0/disp: implement support for colour vibrance control
Ported from original nv50 commit by Christoph, with added support for the
setting on later chipsets.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index b444aa7..f8ff778 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -741,6 +741,37 @@
}
static int
+nvd0_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
+{
+ struct nvd0_mast *mast = nvd0_mast(nv_crtc->base.dev);
+ u32 *push, hue, vib;
+ int adj;
+
+ adj = (nv_crtc->color_vibrance > 0) ? 50 : 0;
+ vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff;
+ hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff;
+
+ push = evo_wait(mast, 16);
+ if (push) {
+ if (nvd0_vers(mast) < NVD0_DISP_MAST_CLASS) {
+ evo_mthd(push, 0x08a8 + (nv_crtc->index * 0x400), 1);
+ evo_data(push, (hue << 20) | (vib << 8));
+ } else {
+ evo_mthd(push, 0x0498 + (nv_crtc->index * 0x300), 1);
+ evo_data(push, (hue << 20) | (vib << 8));
+ }
+
+ if (update) {
+ evo_mthd(push, 0x0080, 1);
+ evo_data(push, 0x00000000);
+ }
+ evo_kick(push, mast);
+ }
+
+ return 0;
+}
+
+static int
nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
int x, int y, bool update)
{
@@ -1055,6 +1086,7 @@
nv_connector = nouveau_crtc_connector_get(nv_crtc);
nvd0_crtc_set_dither(nv_crtc, false);
nvd0_crtc_set_scale(nv_crtc, false);
+ nvd0_crtc_set_color_vibrance(nv_crtc, false);
nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
return 0;
}
@@ -1248,6 +1280,9 @@
head->base.index = index;
head->base.set_dither = nvd0_crtc_set_dither;
head->base.set_scale = nvd0_crtc_set_scale;
+ head->base.set_color_vibrance = nvd0_crtc_set_color_vibrance;
+ head->base.color_vibrance = 50;
+ head->base.vibrant_hue = 0;
head->base.cursor.set_offset = nvd0_cursor_set_offset;
head->base.cursor.set_pos = nvd0_cursor_set_pos;
for (i = 0; i < 256; i++) {