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authorFrancisco Jerez <currojerez@riseup.net>2010-10-22 04:39:14 +0200
committerBen Skeggs <bskeggs@redhat.com>2010-11-18 14:38:38 +1000
commit5794b5fdb579abf7be2c27c6e0d6106f391a26e4 (patch)
tree4eed1c0c525d0dce8eb4c2e27d7dd73f74062e9d /drivers/gpu/drm/nouveau/nouveau_hw.h
parent3c29f9e74591d2f365b159cf59193b19a2f65640 (diff)
downloadblackbird-op-linux-5794b5fdb579abf7be2c27c6e0d6106f391a26e4.tar.gz
blackbird-op-linux-5794b5fdb579abf7be2c27c6e0d6106f391a26e4.zip
drm/nv04: Fix scanout over the 16MB mark.
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hw.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hw.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.h b/drivers/gpu/drm/nouveau/nouveau_hw.h
index 869130f83602..2989090b9434 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hw.h
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.h
@@ -416,6 +416,25 @@ nv_fix_nv40_hw_cursor(struct drm_device *dev, int head)
}
static inline void
+nv_set_crtc_base(struct drm_device *dev, int head, uint32_t offset)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ NVWriteCRTC(dev, head, NV_PCRTC_START, offset);
+
+ if (dev_priv->card_type == NV_04) {
+ /*
+ * Hilarious, the 24th bit doesn't want to stick to
+ * PCRTC_START...
+ */
+ int cre_heb = NVReadVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX);
+
+ NVWriteVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX,
+ (cre_heb & ~0x40) | ((offset >> 18) & 0x40));
+ }
+}
+
+static inline void
nv_show_cursor(struct drm_device *dev, int head, bool show)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
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