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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-08-04 14:34:24 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-05 08:48:53 +1000 |
| commit | fca3ec01e0b40cab82cac7745e154b01969e6219 (patch) | |
| tree | 731d6cdc321c8c1f8b2c4e8f0fdb0df59b5abbc9 /drivers | |
| parent | 430f70d59da643f1aa7c9cf3493423a76550b110 (diff) | |
| download | linux-stable-fca3ec01e0b40cab82cac7745e154b01969e6219.tar.gz linux-stable-fca3ec01e0b40cab82cac7745e154b01969e6219.tar.bz2 linux-stable-fca3ec01e0b40cab82cac7745e154b01969e6219.zip | |
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')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 8 |
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 4efd4fd3b340..2a4ed7ca8b4e 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 f26ec2f27d36..d39aea24eabe 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 b59f348f14fc..7369b5e73649 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); } } |