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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
Merge branch 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6
* 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6: agp: AMD AGP is used on UP1100 & UP1500 alpha boxen intel_agp: really fix 945/965GME agp: don't lock pages AGP: document boot options Fix "use after free" / "double free" bug in ati_create_gatt_pages / ati_free_gatt_pages
This commit is contained in:
commit
933a6208d8
6 changed files with 22 additions and 18 deletions
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@ -30,6 +30,7 @@ the beginning of each description states the restrictions within which a
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parameter is applicable:
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parameter is applicable:
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ACPI ACPI support is enabled.
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ACPI ACPI support is enabled.
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AGP AGP (Accelerated Graphics Port) is enabled.
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ALSA ALSA sound support is enabled.
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ALSA ALSA sound support is enabled.
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APIC APIC support is enabled.
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APIC APIC support is enabled.
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APM Advanced Power Management support is enabled.
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APM Advanced Power Management support is enabled.
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@ -227,6 +228,12 @@ and is between 256 and 4096 characters. It is defined in the file
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to assume that this machine's pmtimer latches its value
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to assume that this machine's pmtimer latches its value
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and always returns good values.
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and always returns good values.
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agp= [AGP]
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{ off | try_unsupported }
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off: disable AGP support
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try_unsupported: try to drive unsupported chipsets
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(may crash computer or cause data corruption)
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enable_timer_pin_1 [i386,x86-64]
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enable_timer_pin_1 [i386,x86-64]
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Enable PIN 1 of APIC timer
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Enable PIN 1 of APIC timer
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Can be useful to work around chipset bugs
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Can be useful to work around chipset bugs
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@ -50,7 +50,7 @@ config AGP_ATI
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config AGP_AMD
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config AGP_AMD
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tristate "AMD Irongate, 761, and 762 chipset support"
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tristate "AMD Irongate, 761, and 762 chipset support"
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depends on AGP && X86_32
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depends on AGP && (X86_32 || ALPHA)
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help
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help
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This option gives you AGP support for the GLX component of
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This option gives you AGP support for the GLX component of
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X on AMD Irongate, 761, and 762 chipsets.
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X on AMD Irongate, 761, and 762 chipsets.
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@ -123,21 +123,16 @@ static int ati_create_gatt_pages(int nr_tables)
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for (i = 0; i < nr_tables; i++) {
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for (i = 0; i < nr_tables; i++) {
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entry = kzalloc(sizeof(struct ati_page_map), GFP_KERNEL);
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entry = kzalloc(sizeof(struct ati_page_map), GFP_KERNEL);
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tables[i] = entry;
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if (entry == NULL) {
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if (entry == NULL) {
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while (i > 0) {
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kfree(tables[i-1]);
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i--;
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}
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kfree(tables);
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retval = -ENOMEM;
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retval = -ENOMEM;
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break;
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break;
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}
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}
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tables[i] = entry;
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retval = ati_create_page_map(entry);
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retval = ati_create_page_map(entry);
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if (retval != 0)
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if (retval != 0)
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break;
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break;
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}
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}
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ati_generic_private.num_tables = nr_tables;
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ati_generic_private.num_tables = i;
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ati_generic_private.gatt_pages = tables;
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ati_generic_private.gatt_pages = tables;
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if (retval != 0)
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if (retval != 0)
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@ -1170,7 +1170,6 @@ void *agp_generic_alloc_page(struct agp_bridge_data *bridge)
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map_page_into_agp(page);
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map_page_into_agp(page);
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get_page(page);
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get_page(page);
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SetPageLocked(page);
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atomic_inc(&agp_bridge->current_memory_agp);
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atomic_inc(&agp_bridge->current_memory_agp);
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return page_address(page);
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return page_address(page);
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}
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}
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@ -1187,7 +1186,6 @@ void agp_generic_destroy_page(void *addr)
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page = virt_to_page(addr);
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page = virt_to_page(addr);
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unmap_page_from_agp(page);
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unmap_page_from_agp(page);
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put_page(page);
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put_page(page);
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unlock_page(page);
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free_page((unsigned long)addr);
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free_page((unsigned long)addr);
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atomic_dec(&agp_bridge->current_memory_agp);
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atomic_dec(&agp_bridge->current_memory_agp);
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}
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}
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@ -20,7 +20,9 @@
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#define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2
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#define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2
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#define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00
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#define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00
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#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02
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#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02
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#define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10
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#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12
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#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12
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#define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC
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#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
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#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
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#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0
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#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0
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#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2
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#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2
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@ -33,7 +35,8 @@
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB)
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
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#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
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#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
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@ -213,7 +216,6 @@ static void *i8xx_alloc_pages(void)
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}
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}
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global_flush_tlb();
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global_flush_tlb();
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get_page(page);
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get_page(page);
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SetPageLocked(page);
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atomic_inc(&agp_bridge->current_memory_agp);
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atomic_inc(&agp_bridge->current_memory_agp);
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return page_address(page);
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return page_address(page);
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}
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}
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@ -229,7 +231,6 @@ static void i8xx_destroy_pages(void *addr)
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change_page_attr(page, 4, PAGE_KERNEL);
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change_page_attr(page, 4, PAGE_KERNEL);
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global_flush_tlb();
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global_flush_tlb();
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put_page(page);
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put_page(page);
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unlock_page(page);
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__free_pages(page, 2);
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__free_pages(page, 2);
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atomic_dec(&agp_bridge->current_memory_agp);
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atomic_dec(&agp_bridge->current_memory_agp);
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}
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}
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@ -527,6 +528,7 @@ static void intel_i830_init_gtt_entries(void)
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB ||
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IS_I965 || IS_G33)
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IS_I965 || IS_G33)
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gtt_entries = MB(48) - KB(size);
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gtt_entries = MB(48) - KB(size);
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else
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else
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@ -538,6 +540,7 @@ static void intel_i830_init_gtt_entries(void)
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
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agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB ||
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IS_I965 || IS_G33)
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IS_I965 || IS_G33)
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gtt_entries = MB(64) - KB(size);
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gtt_entries = MB(64) - KB(size);
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else
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else
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@ -1848,9 +1851,9 @@ static const struct intel_driver_description {
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NULL, &intel_915_driver },
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NULL, &intel_915_driver },
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{ PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G",
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{ PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G",
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NULL, &intel_915_driver },
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NULL, &intel_915_driver },
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{ PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 1, "945GM",
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{ PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM",
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NULL, &intel_915_driver },
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NULL, &intel_915_driver },
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{ PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME",
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{ PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME",
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NULL, &intel_915_driver },
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NULL, &intel_915_driver },
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{ PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ",
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{ PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ",
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NULL, &intel_i965_driver },
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NULL, &intel_i965_driver },
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@ -1860,9 +1863,9 @@ static const struct intel_driver_description {
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NULL, &intel_i965_driver },
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NULL, &intel_i965_driver },
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{ PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G",
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{ PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G",
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NULL, &intel_i965_driver },
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NULL, &intel_i965_driver },
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{ PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 1, "965GM",
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{ PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM",
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NULL, &intel_i965_driver },
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NULL, &intel_i965_driver },
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{ PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE",
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{ PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE",
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NULL, &intel_i965_driver },
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NULL, &intel_i965_driver },
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{ PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL },
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{ PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL },
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{ PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL },
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{ PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL },
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@ -2051,11 +2054,13 @@ static struct pci_device_id agp_intel_pci_table[] = {
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ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82945G_HB),
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ID(PCI_DEVICE_ID_INTEL_82945G_HB),
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ID(PCI_DEVICE_ID_INTEL_82945GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82945GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82945GME_HB),
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ID(PCI_DEVICE_ID_INTEL_82946GZ_HB),
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ID(PCI_DEVICE_ID_INTEL_82946GZ_HB),
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ID(PCI_DEVICE_ID_INTEL_82965G_1_HB),
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ID(PCI_DEVICE_ID_INTEL_82965G_1_HB),
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ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
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ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
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ID(PCI_DEVICE_ID_INTEL_82965G_HB),
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ID(PCI_DEVICE_ID_INTEL_82965G_HB),
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ID(PCI_DEVICE_ID_INTEL_82965GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82965GM_HB),
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ID(PCI_DEVICE_ID_INTEL_82965GME_HB),
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ID(PCI_DEVICE_ID_INTEL_G33_HB),
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ID(PCI_DEVICE_ID_INTEL_G33_HB),
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ID(PCI_DEVICE_ID_INTEL_Q35_HB),
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ID(PCI_DEVICE_ID_INTEL_Q35_HB),
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ID(PCI_DEVICE_ID_INTEL_Q33_HB),
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ID(PCI_DEVICE_ID_INTEL_Q33_HB),
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@ -51,7 +51,6 @@ static void *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
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return NULL;
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return NULL;
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get_page(page);
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get_page(page);
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SetPageLocked(page);
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atomic_inc(&agp_bridge->current_memory_agp);
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atomic_inc(&agp_bridge->current_memory_agp);
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return page_address(page);
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return page_address(page);
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}
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}
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