summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2010-08-04 14:34:24 +0100
committerDave Airlie <airlied@redhat.com>2010-08-05 08:48:53 +1000
commitfca3ec01e0b40cab82cac7745e154b01969e6219 (patch)
tree731d6cdc321c8c1f8b2c4e8f0fdb0df59b5abbc9 /drivers/gpu
parent430f70d59da643f1aa7c9cf3493423a76550b110 (diff)
downloadop-kernel-dev-fca3ec01e0b40cab82cac7745e154b01969e6219.zip
op-kernel-dev-fca3ec01e0b40cab82cac7745e154b01969e6219.tar.gz
drm,io-mapping: Specify slot to use for atomic mappings
This is required should we ever attempt to use an io-mapping where KM_USER0 is verboten, such as inside an IRQ context. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c9
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c5
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c8
3 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4efd4fd..2a4ed7c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -496,10 +496,10 @@ fast_user_write(struct io_mapping *mapping,
char *vaddr_atomic;
unsigned long unwritten;
- vaddr_atomic = io_mapping_map_atomic_wc(mapping, page_base);
+ vaddr_atomic = io_mapping_map_atomic_wc(mapping, page_base, KM_USER0);
unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + page_offset,
user_data, length);
- io_mapping_unmap_atomic(vaddr_atomic);
+ io_mapping_unmap_atomic(vaddr_atomic, KM_USER0);
if (unwritten)
return -EFAULT;
return 0;
@@ -3487,7 +3487,8 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
reloc_offset = obj_priv->gtt_offset + reloc->offset;
reloc_page = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
(reloc_offset &
- ~(PAGE_SIZE - 1)));
+ ~(PAGE_SIZE - 1)),
+ KM_USER0);
reloc_entry = (uint32_t __iomem *)(reloc_page +
(reloc_offset & (PAGE_SIZE - 1)));
reloc_val = target_obj_priv->gtt_offset + reloc->delta;
@@ -3498,7 +3499,7 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
readl(reloc_entry), reloc_val);
#endif
writel(reloc_val, reloc_entry);
- io_mapping_unmap_atomic(reloc_page);
+ io_mapping_unmap_atomic(reloc_page, KM_USER0);
/* The updated presumed offset for this entry will be
* copied back out to the user.
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index f26ec2f..d39aea2 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -185,7 +185,8 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
if (OVERLAY_NONPHYSICAL(overlay->dev)) {
regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
- overlay->reg_bo->gtt_offset);
+ overlay->reg_bo->gtt_offset,
+ KM_USER0);
if (!regs) {
DRM_ERROR("failed to map overlay regs in GTT\n");
@@ -200,7 +201,7 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
if (OVERLAY_NONPHYSICAL(overlay->dev))
- io_mapping_unmap_atomic(overlay->virt_addr);
+ io_mapping_unmap_atomic(overlay->virt_addr, KM_USER0);
overlay->virt_addr = NULL;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index b59f348..7369b5e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -2083,11 +2083,11 @@ peek_fb(struct drm_device *dev, struct io_mapping *fb,
uint32_t val = 0;
if (off < pci_resource_len(dev->pdev, 1)) {
- uint32_t __iomem *p = io_mapping_map_atomic_wc(fb, off);
+ uint32_t __iomem *p = io_mapping_map_atomic_wc(fb, off, KM_USER0);
val = ioread32(p);
- io_mapping_unmap_atomic(p);
+ io_mapping_unmap_atomic(p, KM_USER0);
}
return val;
@@ -2098,12 +2098,12 @@ poke_fb(struct drm_device *dev, struct io_mapping *fb,
uint32_t off, uint32_t val)
{
if (off < pci_resource_len(dev->pdev, 1)) {
- uint32_t __iomem *p = io_mapping_map_atomic_wc(fb, off);
+ uint32_t __iomem *p = io_mapping_map_atomic_wc(fb, off, KM_USER0);
iowrite32(val, p);
wmb();
- io_mapping_unmap_atomic(p);
+ io_mapping_unmap_atomic(p, KM_USER0);
}
}
OpenPOWER on IntegriCloud