diff options
Diffstat (limited to 'drivers/char/agp')
| -rw-r--r-- | drivers/char/agp/frontend.c | 2 | ||||
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 32 | ||||
| -rw-r--r-- | drivers/char/agp/uninorth-agp.c | 1 |
3 files changed, 19 insertions, 16 deletions
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c index 09f17eb73..0f64d149c 100644 --- a/drivers/char/agp/frontend.c +++ b/drivers/char/agp/frontend.c @@ -156,7 +156,7 @@ static pgprot_t agp_convert_mmap_flags(int prot) { unsigned long prot_bits; - prot_bits = calc_vm_prot_bits(prot) | VM_SHARED; + prot_bits = calc_vm_prot_bits(prot, 0) | VM_SHARED; return vm_get_page_prot(prot_bits); } diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 1341a94cc..aef87fdbd 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -555,8 +555,10 @@ static unsigned int intel_gtt_mappable_entries(void) static void intel_gtt_teardown_scratch_page(void) { set_pages_wb(intel_private.scratch_page, 1); - pci_unmap_page(intel_private.pcidev, intel_private.scratch_page_dma, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (intel_private.needs_dmar) + pci_unmap_page(intel_private.pcidev, + intel_private.scratch_page_dma, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); __free_page(intel_private.scratch_page); } @@ -1346,16 +1348,6 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, { int i, mask; - /* - * Can be called from the fake agp driver but also directly from - * drm/i915.ko. Hence we need to check whether everything is set up - * already. - */ - if (intel_private.driver) { - intel_private.refcount++; - return 1; - } - for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) { if (gpu_pdev) { if (gpu_pdev->device == @@ -1376,16 +1368,26 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, if (!intel_private.driver) return 0; - intel_private.refcount++; - #if IS_ENABLED(CONFIG_AGP_INTEL) if (bridge) { + if (INTEL_GTT_GEN > 1) + return 0; + bridge->driver = &intel_fake_agp_driver; bridge->dev_private_data = &intel_private; bridge->dev = bridge_pdev; } #endif + + /* + * Can be called from the fake agp driver but also directly from + * drm/i915.ko. Hence we need to check whether everything is set up + * already. + */ + if (intel_private.refcount++) + return 1; + intel_private.bridge_dev = pci_dev_get(bridge_pdev); dev_info(&bridge_pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); @@ -1430,6 +1432,8 @@ void intel_gmch_remove(void) if (--intel_private.refcount) return; + if (intel_private.scratch_page) + intel_gtt_teardown_scratch_page(); if (intel_private.pcidev) pci_dev_put(intel_private.pcidev); if (intel_private.bridge_dev) diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 057554412..fdced547a 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -10,7 +10,6 @@ #include <linux/delay.h> #include <linux/vmalloc.h> #include <asm/uninorth.h> -#include <asm/pci-bridge.h> #include <asm/prom.h> #include <asm/pmac_feature.h> #include "agp.h" |