mirror of https://gitee.com/openkylin/linux.git
drm/omap: Use writecombine for descriptors
Use writecombine for descriptor and PAT programming memory. Signed-off-by: Andy Gross <andy.gross@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -525,7 +525,7 @@ static int omap_dmm_remove(struct platform_device *dev)
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kfree(omap_dmm->engines);
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if (omap_dmm->refill_va)
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dma_free_coherent(omap_dmm->dev,
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dma_free_writecombine(omap_dmm->dev,
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REFILL_BUFFER_SIZE * omap_dmm->num_engines,
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omap_dmm->refill_va,
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omap_dmm->refill_pa);
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@ -633,7 +633,7 @@ static int omap_dmm_probe(struct platform_device *dev)
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omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page);
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/* alloc refill memory */
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omap_dmm->refill_va = dma_alloc_coherent(&dev->dev,
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omap_dmm->refill_va = dma_alloc_writecombine(&dev->dev,
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REFILL_BUFFER_SIZE * omap_dmm->num_engines,
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&omap_dmm->refill_pa, GFP_KERNEL);
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if (!omap_dmm->refill_va) {
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