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path: root/drivers/gpu/drm/nouveau/nv10_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv10_fb.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fb.c b/drivers/gpu/drm/nouveau/nv10_fb.c
index 79e2d104d70..cc5cda44e50 100644
--- a/drivers/gpu/drm/nouveau/nv10_fb.c
+++ b/drivers/gpu/drm/nouveau/nv10_fb.c
@@ -3,17 +3,37 @@
#include "nouveau_drv.h"
#include "nouveau_drm.h"
+void
+nv10_fb_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
+ uint32_t size, uint32_t pitch)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t limit = max(1u, addr + size) - 1;
+
+ if (pitch) {
+ if (dev_priv->card_type >= NV_20)
+ addr |= 1;
+ else
+ addr |= 1 << 31;
+ }
+
+ nv_wr32(dev, NV10_PFB_TLIMIT(i), limit);
+ nv_wr32(dev, NV10_PFB_TSIZE(i), pitch);
+ nv_wr32(dev, NV10_PFB_TILE(i), addr);
+}
+
int
nv10_fb_init(struct drm_device *dev)
{
- uint32_t fb_bar_size;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
int i;
- fb_bar_size = drm_get_resource_len(dev, 0) - 1;
- for (i = 0; i < NV10_PFB_TILE__SIZE; i++) {
- nv_wr32(dev, NV10_PFB_TILE(i), 0);
- nv_wr32(dev, NV10_PFB_TLIMIT(i), fb_bar_size);
- }
+ pfb->num_tiles = NV10_PFB_TILE__SIZE;
+
+ /* Turn all the tiling regions off. */
+ for (i = 0; i < pfb->num_tiles; i++)
+ pfb->set_region_tiling(dev, i, 0, 0, 0);
return 0;
}