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authorThomas Hellstrom <thellstrom@vmware.com>2013-11-11 23:49:26 -0800
committerThomas Hellstrom <thellstrom@vmware.com>2013-11-12 23:47:32 -0800
commite14cd9536bd11b174a849da91c7a26bbc980330d (patch)
tree63110073766ec571e2d17dbdf5d8e88c5f063615
parentea029c28deadc33d2af4baf26810dd5fc44d4926 (diff)
downloadop-kernel-dev-e14cd9536bd11b174a849da91c7a26bbc980330d.zip
op-kernel-dev-e14cd9536bd11b174a849da91c7a26bbc980330d.tar.gz
drm/vmwgfx: Fix a couple of compile / sparse warnings and errors
Fixes *) an implicit function declaration on mips, *) a defined but not used label on !CONFIG_INTEL_IOMMU *) Hopefully a couple of sparse warnings where we implicitly typecast integer to __le32 and vice versa. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c9
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c7
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 0b5c781..a278581 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -453,12 +453,13 @@ static void vmw_get_initial_size(struct vmw_private *dev_priv)
*/
static int vmw_dma_select_mode(struct vmw_private *dev_priv)
{
- const struct dma_map_ops *dma_ops = get_dma_ops(dev_priv->dev->dev);
static const char *names[vmw_dma_map_max] = {
[vmw_dma_phys] = "Using physical TTM page addresses.",
[vmw_dma_alloc_coherent] = "Using coherent TTM pages.",
[vmw_dma_map_populate] = "Keeping DMA mappings.",
[vmw_dma_map_bind] = "Giving up DMA mappings early."};
+#ifdef CONFIG_X86
+ const struct dma_map_ops *dma_ops = get_dma_ops(dev_priv->dev->dev);
#ifdef CONFIG_INTEL_IOMMU
if (intel_iommu_enabled) {
@@ -482,7 +483,9 @@ 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;
@@ -498,6 +501,10 @@ out_fixup:
return -EINVAL;
#endif
+#else /* CONFIG_X86 */
+ dev_priv->map_mode = vmw_dma_map_populate;
+#endif /* CONFIG_X86 */
+
DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]);
return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
index 6d09523..6ef0b03 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
@@ -145,7 +145,9 @@ static void vmw_gmr_free_descriptors(struct device *dev, dma_addr_t desc_dma,
}
page_virtual = kmap_atomic(page);
- desc_dma = page_virtual[desc_per_page].ppn << PAGE_SHIFT;
+ desc_dma = (dma_addr_t)
+ le32_to_cpu(page_virtual[desc_per_page].ppn) <<
+ PAGE_SHIFT;
kunmap_atomic(page_virtual);
__free_page(page);
@@ -217,7 +219,8 @@ static int vmw_gmr_build_descriptors(struct device *dev,
desc_dma = 0;
list_for_each_entry_reverse(page, desc_pages, lru) {
page_virtual = kmap_atomic(page);
- page_virtual[desc_per_page].ppn = desc_dma >> PAGE_SHIFT;
+ page_virtual[desc_per_page].ppn = cpu_to_le32
+ (desc_dma >> PAGE_SHIFT);
kunmap_atomic(page_virtual);
desc_dma = dma_map_page(dev, page, 0, PAGE_SIZE,
DMA_TO_DEVICE);
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