drm/nve0/disp: nvidia randomly decided to move the dithering method
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -363,10 +363,12 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
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static int
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nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
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{
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struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private;
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struct drm_device *dev = nv_crtc->base.dev;
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struct nouveau_connector *nv_connector;
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struct drm_connector *connector;
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u32 *push, mode = 0x00;
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u32 mthd;
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nv_connector = nouveau_crtc_connector_get(nv_crtc);
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connector = &nv_connector->base;
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@ -384,9 +386,14 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
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mode |= nv_connector->dithering_depth;
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}
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if (dev_priv->card_type < NV_E0)
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mthd = 0x0490 + (nv_crtc->index * 0x0300);
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else
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mthd = 0x04a0 + (nv_crtc->index * 0x0300);
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push = evo_wait(dev, EVO_MASTER, 4);
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if (push) {
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evo_mthd(push, 0x0490 + (nv_crtc->index * 0x300), 1);
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evo_mthd(push, mthd, 1);
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evo_data(push, mode);
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if (update) {
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evo_mthd(push, 0x0080, 1);
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