From e592c73b91e9dfc7403fe41f649dd18593805ccd Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 5 Mar 2012 10:05:45 +1000
Subject: [PATCH] drm/nve0/disp: nvidia randomly decided to move the dithering
method
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
drivers/gpu/drm/nouveau/nvd0_display.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 421d301b3797a..d69642da8b568 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -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);
--
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