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authorThomas Gleixner <tglx@linutronix.de>2011-02-22 18:24:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-22 18:41:48 +0100
commit695884fb8acd9857e0e7120ccb2150e30f4b8fef (patch)
tree49aa424c1a021ce432e9fa5ea29d37a23e4e30cc /drivers/gpu/drm/nouveau/nouveau_hw.h
parent5df91509d324d44cfb11e55d9cb02fe18b53b045 (diff)
parent04bea68b2f0eeebb089ecc67b618795925268b4a (diff)
Merge branch 'devicetree/for-x86' of git://git.secretlab.ca/git/linux-2.6 into x86/platform
Reason: x86 devicetree support for ce4100 depends on those device tree changes scheduled for .39. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 869130f8360..2989090b943 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;