linux-kernel - [PATCH 2/4] drm/vmwgfx: remove CONFIG_INTEL

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Message-Id: <20190105080108.14837-3-hch@lst.de>
Date:   Sat,  5 Jan 2019 09:01:06 +0100
From:   Christoph Hellwig <hch@....de>
To:     thellstrom@...are.com
Cc:     linux-graphics-maintainer@...are.com,
        dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] drm/vmwgfx: remove CONFIG_INTEL_IOMMU ifdefs

intel_iommu_enabled is defined as always false for !CONFIG_INTEL_IOMMU,
so remove the ifdefs around it.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 69e325b2d954..236052ad233c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -567,12 +567,10 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv)
 		[vmw_dma_map_bind] = "Giving up DMA mappings early."};
 	const struct dma_map_ops *dma_ops = get_dma_ops(dev_priv->dev->dev);
 
-#ifdef CONFIG_INTEL_IOMMU
 	if (intel_iommu_enabled) {
 		dev_priv->map_mode = vmw_dma_map_populate;
 		goto out_fixup;
 	}
-#endif
 
 	if (!(vmw_force_iommu || vmw_force_coherent)) {
 		dev_priv->map_mode = vmw_dma_phys;
@@ -589,9 +587,7 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv)
 		dev_priv->map_mode = vmw_dma_map_populate;
 #endif
 
-#ifdef CONFIG_INTEL_IOMMU
 out_fixup:
-#endif
 	if (dev_priv->map_mode == vmw_dma_map_populate &&
 	    vmw_restrict_iommu)
 		dev_priv->map_mode = vmw_dma_map_bind;
@@ -599,13 +595,6 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv)
 	if (vmw_force_coherent)
 		dev_priv->map_mode = vmw_dma_alloc_coherent;
 
-#if !defined(CONFIG_SWIOTLB) && !defined(CONFIG_INTEL_IOMMU)
-	/*
-	 * No coherent page pool
-	 */
-	if (dev_priv->map_mode == vmw_dma_alloc_coherent)
-		return -EINVAL;
-#endif
 	DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]);
 
 	return 0;
@@ -619,7 +608,6 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv)
  * With 32-bit we can only handle 32 bit PFNs. Optionally set that
  * restriction also for 64-bit systems.
  */
-#ifdef CONFIG_INTEL_IOMMU
 static int vmw_dma_masks(struct vmw_private *dev_priv)
 {
 	struct drm_device *dev = dev_priv->dev;
@@ -631,12 +619,6 @@ static int vmw_dma_masks(struct vmw_private *dev_priv)
 	}
 	return 0;
 }
-#else
-static int vmw_dma_masks(struct vmw_private *dev_priv)
-{
-	return 0;
-}
-#endif
 
 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 {
-- 
2.20.1