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drm/nve0/disp: nvidia randomly decided to move the dithering method

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-03-05 10:05:45 +10:00
parent 68455a43de
commit e592c73b91
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -363,10 +363,12 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
static int
nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
{
struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private;
struct drm_device *dev = nv_crtc->base.dev;
struct nouveau_connector *nv_connector;
struct drm_connector *connector;
u32 *push, mode = 0x00;
u32 mthd;
nv_connector = nouveau_crtc_connector_get(nv_crtc);
connector = &nv_connector->base;
@ -384,9 +386,14 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
mode |= nv_connector->dithering_depth;
}
if (dev_priv->card_type < NV_E0)
mthd = 0x0490 + (nv_crtc->index * 0x0300);
else
mthd = 0x04a0 + (nv_crtc->index * 0x0300);
push = evo_wait(dev, EVO_MASTER, 4);
if (push) {
evo_mthd(push, 0x0490 + (nv_crtc->index * 0x300), 1);
evo_mthd(push, mthd, 1);
evo_data(push, mode);
if (update) {
evo_mthd(push, 0x0080, 1);