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Searched refs:dummy_page (Results 1 – 21 of 21) sorted by relevance

/linux/drivers/staging/media/ipu3/
A Dipu3-mmu.c54 void *dummy_page; member
447 mmu->dummy_page = (void *)__get_free_page(GFP_KERNEL); in imgu_mmu_init()
448 if (!mmu->dummy_page) in imgu_mmu_init()
450 pteval = IPU3_ADDR2PTE(virt_to_phys(mmu->dummy_page)); in imgu_mmu_init()
491 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_init()
514 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_exit()
/linux/drivers/gpu/drm/radeon/
A Dradeon_device.c782 if (rdev->dummy_page.page) in radeon_dummy_page_init()
785 if (rdev->dummy_page.page == NULL) in radeon_dummy_page_init()
787 rdev->dummy_page.addr = dma_map_page(&rdev->pdev->dev, rdev->dummy_page.page, in radeon_dummy_page_init()
789 if (dma_mapping_error(&rdev->pdev->dev, 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 dma_unmap_page(&rdev->pdev->dev, rdev->dummy_page.addr, PAGE_SIZE, in radeon_dummy_page_fini()
813 __free_page(rdev->dummy_page.page); in radeon_dummy_page_fini()
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A Dradeon_gart.c259 rdev->gart.pages_entry[t] = rdev->dummy_page.entry; in radeon_gart_unbind()
262 rdev->dummy_page.entry); in radeon_gart_unbind()
305 rdev->dummy_page.page; in radeon_gart_bind()
366 rdev->gart.pages_entry[i] = rdev->dummy_page.entry; in radeon_gart_init()
A Dni.c1296 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
1320 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
A Drv770.c942 (u32)(rdev->dummy_page.addr >> 12)); in rv770_pcie_gart_enable()
A Dsi.c4315 (u32)(rdev->dummy_page.addr >> 12)); in si_pcie_gart_enable()
4343 (u32)(rdev->dummy_page.addr >> 12)); in si_pcie_gart_enable()
5996 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); in si_irq_init()
A Dr600.c1174 (u32)(rdev->dummy_page.addr >> 12)); in r600_pcie_gart_enable()
3697 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); in r600_irq_init()
A Dcik.c5454 (u32)(rdev->dummy_page.addr >> 12)); in cik_pcie_gart_enable()
5478 (u32)(rdev->dummy_page.addr >> 12)); in cik_pcie_gart_enable()
6958 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); in cik_irq_init()
A Dradeon.h2423 struct radeon_dummy_page dummy_page; member
A Devergreen.c2445 (u32)(rdev->dummy_page.addr >> 12)); in evergreen_pcie_gart_enable()
/linux/drivers/gpu/drm/gma500/
A Dmmu.c173 pd->dummy_page = alloc_page(GFP_DMA32); in psb_mmu_alloc_pd()
174 if (!pd->dummy_page) in psb_mmu_alloc_pd()
180 pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page), in psb_mmu_alloc_pd()
199 clear_page(kmap(pd->dummy_page)); in psb_mmu_alloc_pd()
200 kunmap(pd->dummy_page); in psb_mmu_alloc_pd()
213 __free_page(pd->dummy_page); in psb_mmu_alloc_pd()
253 __free_page(pd->dummy_page); in psb_mmu_free_pagedir()
A Dmmu.h49 struct page *dummy_page; member
/linux/sound/drivers/
A Ddummy.c589 static void *dummy_page[2]; variable
596 if (dummy_page[i]) { in free_fake_buffer()
597 free_page((unsigned long)dummy_page[i]); in free_fake_buffer()
598 dummy_page[i] = NULL; in free_fake_buffer()
610 dummy_page[i] = (void *)get_zeroed_page(GFP_KERNEL); in alloc_fake_buffer()
611 if (!dummy_page[i]) { in alloc_fake_buffer()
643 return virt_to_page(dummy_page[substream->stream]); /* the same page */ in dummy_pcm_page()
/linux/arch/sparc/kernel/
A Diommu.c127 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()
/linux/drivers/gpu/drm/amd/amdgpu/
A Damdgpu_gart.c75 struct page *dummy_page = ttm_glob.dummy_read_page; in amdgpu_gart_dummy_page_init() local
79 adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0, in amdgpu_gart_dummy_page_init()
/linux/arch/sparc/include/asm/
A Diommu_64.h68 unsigned long dummy_page; member
/linux/drivers/gpu/drm/ttm/
A Dttm_bo_vm.c292 struct page *dummy_page = (struct page *)res; in ttm_bo_release_dummy_page() local
294 __free_page(dummy_page); in ttm_bo_release_dummy_page()
/linux/drivers/gpu/drm/omapdrm/
A Domap_dmm_priv.h166 struct page *dummy_page; member
A Domap_dmm_tiler.c763 if (omap_dmm->dummy_page) in omap_dmm_remove()
764 __free_page(omap_dmm->dummy_page); in omap_dmm_remove()
872 omap_dmm->dummy_page = alloc_page(GFP_KERNEL | __GFP_DMA32); in omap_dmm_probe()
873 if (!omap_dmm->dummy_page) { in omap_dmm_probe()
884 omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page); in omap_dmm_probe()
/linux/drivers/media/pci/intel/ipu3/
A Dipu3-cio2-main.c113 if (cio2->dummy_page) { in cio2_fbpt_exit_dummy()
114 dma_free_coherent(dev, PAGE_SIZE, cio2->dummy_page, in cio2_fbpt_exit_dummy()
116 cio2->dummy_page = NULL; in cio2_fbpt_exit_dummy()
125 cio2->dummy_page = dma_alloc_coherent(dev, PAGE_SIZE, in cio2_fbpt_init_dummy()
131 if (!cio2->dummy_page || !cio2->dummy_lop) { in cio2_fbpt_init_dummy()
A Dipu3-cio2.h395 void *dummy_page; member

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