forked from Minki/linux
45 lines
915 B
C
45 lines
915 B
C
#include "drmP.h"
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#include "drm.h"
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#include "nouveau_drv.h"
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#include "nouveau_drm.h"
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void
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nv10_fb_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
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uint32_t size, uint32_t pitch)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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uint32_t limit = max(1u, addr + size) - 1;
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if (pitch) {
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if (dev_priv->card_type >= NV_20)
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addr |= 1;
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else
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addr |= 1 << 31;
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}
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nv_wr32(dev, NV10_PFB_TLIMIT(i), limit);
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nv_wr32(dev, NV10_PFB_TSIZE(i), pitch);
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nv_wr32(dev, NV10_PFB_TILE(i), addr);
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}
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int
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nv10_fb_init(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
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int i;
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pfb->num_tiles = NV10_PFB_TILE__SIZE;
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/* Turn all the tiling regions off. */
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for (i = 0; i < pfb->num_tiles; i++)
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pfb->set_region_tiling(dev, i, 0, 0, 0);
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return 0;
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}
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void
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nv10_fb_takedown(struct drm_device *dev)
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{
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}
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