| /Linux-v5.4/drivers/staging/media/ipu3/ |
| D | ipu3-mmu.c | 54 void *dummy_page; member
445 mmu->dummy_page = (void *)__get_free_page(GFP_KERNEL); in imgu_mmu_init()
446 if (!mmu->dummy_page) in imgu_mmu_init()
448 pteval = IPU3_ADDR2PTE(virt_to_phys(mmu->dummy_page)); in imgu_mmu_init()
489 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_init()
512 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_exit()
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| /Linux-v5.4/drivers/gpu/drm/radeon/ |
| D | radeon_device.c | 782 if (rdev->dummy_page.page) in radeon_dummy_page_init()
784 rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); in radeon_dummy_page_init()
785 if (rdev->dummy_page.page == NULL) in radeon_dummy_page_init()
787 rdev->dummy_page.addr = pci_map_page(rdev->pdev, rdev->dummy_page.page, in radeon_dummy_page_init()
789 if (pci_dma_mapping_error(rdev->pdev, rdev->dummy_page.addr)) { in radeon_dummy_page_init()
791 __free_page(rdev->dummy_page.page); in radeon_dummy_page_init()
792 rdev->dummy_page.page = NULL; in radeon_dummy_page_init()
795 rdev->dummy_page.entry = radeon_gart_get_page_entry(rdev->dummy_page.addr, in radeon_dummy_page_init()
809 if (rdev->dummy_page.page == NULL) in radeon_dummy_page_fini()
811 pci_unmap_page(rdev->pdev, rdev->dummy_page.addr, in radeon_dummy_page_fini()
[all …]
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| D | radeon_gart.c | 261 rdev->gart.pages_entry[t] = rdev->dummy_page.entry; in radeon_gart_unbind()
264 rdev->dummy_page.entry); in radeon_gart_unbind()
367 rdev->gart.pages_entry[i] = rdev->dummy_page.entry; in radeon_gart_init()
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| D | ni.c | 1309 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
1333 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
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| D | rv770.c | 935 (u32)(rdev->dummy_page.addr >> 12)); in rv770_pcie_gart_enable()
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| D | si.c | 4320 (u32)(rdev->dummy_page.addr >> 12)); in si_pcie_gart_enable()
4348 (u32)(rdev->dummy_page.addr >> 12)); in si_pcie_gart_enable()
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| D | radeon.h | 2387 struct radeon_dummy_page dummy_page; member
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| D | cik.c | 5468 (u32)(rdev->dummy_page.addr >> 12)); in cik_pcie_gart_enable()
5492 (u32)(rdev->dummy_page.addr >> 12)); in cik_pcie_gart_enable()
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| D | r600.c | 1175 (u32)(rdev->dummy_page.addr >> 12)); in r600_pcie_gart_enable()
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| D | evergreen.c | 2444 (u32)(rdev->dummy_page.addr >> 12)); in evergreen_pcie_gart_enable()
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| /Linux-v5.4/drivers/gpu/drm/gma500/ |
| D | mmu.c | 181 pd->dummy_page = alloc_page(GFP_DMA32); in psb_mmu_alloc_pd()
182 if (!pd->dummy_page) in psb_mmu_alloc_pd()
188 pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page), in psb_mmu_alloc_pd()
207 clear_page(kmap(pd->dummy_page)); in psb_mmu_alloc_pd()
208 kunmap(pd->dummy_page); in psb_mmu_alloc_pd()
221 __free_page(pd->dummy_page); in psb_mmu_alloc_pd()
261 __free_page(pd->dummy_page); in psb_mmu_free_pagedir()
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| D | mmu.h | 49 struct page *dummy_page; member
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| /Linux-v5.4/arch/sparc/include/asm/ |
| D | iommu_64.h | 68 unsigned long dummy_page; member
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| /Linux-v5.4/arch/sparc/kernel/ |
| D | iommu.c | 127 iommu->dummy_page = (unsigned long) page_address(page); in iommu_table_init()
128 memset((void *)iommu->dummy_page, 0, PAGE_SIZE); in iommu_table_init()
129 iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page); in iommu_table_init()
146 free_page(iommu->dummy_page); in iommu_table_init()
147 iommu->dummy_page = 0UL; in iommu_table_init()
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| /Linux-v5.4/sound/drivers/ |
| D | dummy.c | 598 static void *dummy_page[2]; variable
605 if (dummy_page[i]) { in free_fake_buffer()
606 free_page((unsigned long)dummy_page[i]); in free_fake_buffer()
607 dummy_page[i] = NULL; in free_fake_buffer()
619 dummy_page[i] = (void *)get_zeroed_page(GFP_KERNEL); in alloc_fake_buffer()
620 if (!dummy_page[i]) { in alloc_fake_buffer()
652 return virt_to_page(dummy_page[substream->stream]); /* the same page */ in dummy_pcm_page()
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| /Linux-v5.4/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_gart.c | 74 struct page *dummy_page = adev->mman.bdev.glob->dummy_read_page; in amdgpu_gart_dummy_page_init() local
78 adev->dummy_page_addr = pci_map_page(adev->pdev, dummy_page, 0, in amdgpu_gart_dummy_page_init()
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| /Linux-v5.4/drivers/gpu/drm/omapdrm/ |
| D | omap_dmm_priv.h | 166 struct page *dummy_page; member
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| D | omap_dmm_tiler.c | 765 if (omap_dmm->dummy_page) in omap_dmm_remove()
766 __free_page(omap_dmm->dummy_page); in omap_dmm_remove()
874 omap_dmm->dummy_page = alloc_page(GFP_KERNEL | __GFP_DMA32); in omap_dmm_probe()
875 if (!omap_dmm->dummy_page) { in omap_dmm_probe()
886 omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page); in omap_dmm_probe()
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| /Linux-v5.4/drivers/media/pci/intel/ipu3/ |
| D | ipu3-cio2.c | 103 if (cio2->dummy_page) { in cio2_fbpt_exit_dummy()
105 cio2->dummy_page, cio2->dummy_page_bus_addr); in cio2_fbpt_exit_dummy()
106 cio2->dummy_page = NULL; in cio2_fbpt_exit_dummy()
114 cio2->dummy_page = dma_alloc_coherent(&cio2->pci_dev->dev, in cio2_fbpt_init_dummy()
122 if (!cio2->dummy_page || !cio2->dummy_lop) { in cio2_fbpt_init_dummy()
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| D | ipu3-cio2.h | 371 void *dummy_page; member
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| /Linux-v5.4/mm/ |
| D | memcontrol.c | 6621 struct page *dummy_page; member
6650 memcg_check_events(ug->memcg, ug->dummy_page); in uncharge_batch()
6700 ug->dummy_page = page; in uncharge_page()
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