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path: root/drivers/gpu/drm/gma500/gtt.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.c')
-rw-r--r--drivers/gpu/drm/gma500/gtt.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index e770bd190a5c..c6465b40090f 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -20,6 +20,7 @@
*/
#include <drm/drmP.h>
+#include <linux/shmem_fs.h>
#include "psb_drv.h"
@@ -56,7 +57,7 @@ static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type)
* Given a gtt_range object return the GTT offset of the page table
* entries for this gtt_range
*/
-u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
+static u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
{
struct drm_psb_private *dev_priv = dev->dev_private;
unsigned long offset;
@@ -203,9 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt)
gt->npage = pages;
for (i = 0; i < pages; i++) {
- /* FIXME: needs updating as per mail from Hugh Dickins */
- p = read_cache_page_gfp(mapping, i,
- __GFP_COLD | GFP_KERNEL);
+ p = shmem_read_mapping_page(mapping, i);
if (IS_ERR(p))
goto err;
gt->pages[i] = p;
@@ -379,7 +378,7 @@ void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
kfree(gt);
}
-void psb_gtt_alloc(struct drm_device *dev)
+static void psb_gtt_alloc(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
init_rwsem(&dev_priv->gtt.sem);
@@ -447,10 +446,9 @@ int psb_gtt_init(struct drm_device *dev, int resume)
pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
>> PAGE_SHIFT;
- /* Some CDV firmware doesn't report this currently. In which case the
- system has 64 gtt pages */
+ /* CDV doesn't report this. In which case the system has 64 gtt pages */
if (pg->gtt_start == 0 || gtt_pages == 0) {
- dev_err(dev->dev, "GTT PCI BAR not initialized.\n");
+ dev_dbg(dev->dev, "GTT PCI BAR not initialized.\n");
gtt_pages = 64;
pg->gtt_start = dev_priv->pge_ctl;
}
@@ -462,10 +460,10 @@ int psb_gtt_init(struct drm_device *dev, int resume)
if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
static struct resource fudge; /* Preferably peppermint */
- /* This can occur on CDV SDV systems. Fudge it in this case.
+ /* This can occur on CDV systems. Fudge it in this case.
We really don't care what imaginary space is being allocated
at this point */
- dev_err(dev->dev, "GATT PCI BAR not initialized.\n");
+ dev_dbg(dev->dev, "GATT PCI BAR not initialized.\n");
pg->gatt_start = 0x40000000;
pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
/* This is a little confusing but in fact the GTT is providing