diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-01-25 15:27:53 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-01-25 15:27:53 +1000 |
| commit | e7a41d7f5be49241480a20eb733262712e0f8dcb (patch) | |
| tree | 801c7eadf769db981dfb8a900a24ef48542958a6 /linux-core/i915_compat.c | |
| parent | fb9ea12438de95a6ac085879e079055eaea3daf8 (diff) | |
| parent | bfdddd218ec3e7ce3f8e765b93af35661a7bf0fd (diff) | |
Merge remote branch 'origin/master' into modesetting-101
Conflicts:
linux-core/drm_bo.c
linux-core/drm_drv.c
shared-core/drm.h
shared-core/i915_dma.c
shared-core/i915_drv.h
shared-core/i915_irq.c
shared-core/radeon_irq.c
Diffstat (limited to 'linux-core/i915_compat.c')
| -rw-r--r-- | linux-core/i915_compat.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/linux-core/i915_compat.c b/linux-core/i915_compat.c index 58fb8418..f3e0a081 100644 --- a/linux-core/i915_compat.c +++ b/linux-core/i915_compat.c @@ -19,8 +19,13 @@ #define I915_IFPADDR 0x60 #define I965_IFPADDR 0x70 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21) +#define upper_32_bits(_val) (((u64)(_val)) >> 32) +#endif + static struct _i9xx_private_compat { void __iomem *flush_page; + int resource_valid; struct resource ifp_resource; } i9xx_private; @@ -57,16 +62,17 @@ static void intel_i915_setup_chipset_flush(struct pci_dev *pdev) pci_read_config_dword(pdev, I915_IFPADDR, &temp); if (!(temp & 0x1)) { intel_alloc_chipset_flush_resource(pdev); - + i9xx_private.resource_valid = 1; pci_write_config_dword(pdev, I915_IFPADDR, (i9xx_private.ifp_resource.start & 0xffffffff) | 0x1); } else { temp &= ~1; + i9xx_private.resource_valid = 1; i9xx_private.ifp_resource.start = temp; i9xx_private.ifp_resource.end = temp + PAGE_SIZE; ret = request_resource(&iomem_resource, &i9xx_private.ifp_resource); if (ret) { - i9xx_private.ifp_resource.start = 0; + i9xx_private.resource_valid = 0; printk("Failed inserting resource into tree\n"); } } @@ -84,6 +90,7 @@ static void intel_i965_g33_setup_chipset_flush(struct pci_dev *pdev) intel_alloc_chipset_flush_resource(pdev); + i9xx_private.resource_valid = 1; pci_write_config_dword(pdev, I965_IFPADDR + 4, upper_32_bits(i9xx_private.ifp_resource.start)); pci_write_config_dword(pdev, I965_IFPADDR, (i9xx_private.ifp_resource.start & 0xffffffff) | 0x1); @@ -93,11 +100,12 @@ static void intel_i965_g33_setup_chipset_flush(struct pci_dev *pdev) temp_lo &= ~0x1; l64 = ((u64)temp_hi << 32) | temp_lo; + i9xx_private.resource_valid = 1; i9xx_private.ifp_resource.start = l64; i9xx_private.ifp_resource.end = l64 + PAGE_SIZE; ret = request_resource(&iomem_resource, &i9xx_private.ifp_resource); - if (!ret) { - i9xx_private.ifp_resource.start = 0; + if (ret) { + i9xx_private.resource_valid = 0; printk("Failed inserting resource into tree\n"); } } @@ -167,7 +175,9 @@ static void intel_i9xx_setup_flush(struct drm_device *dev) static void intel_i9xx_fini_flush(struct drm_device *dev) { iounmap(i9xx_private.flush_page); - release_resource(&i9xx_private.ifp_resource); + if (i9xx_private.resource_valid) + release_resource(&i9xx_private.ifp_resource); + i9xx_private.resource_valid = 0; } static void intel_i9xx_flush_page(struct drm_device *dev) |