diff options
author | Christian König <christian.koenig@amd.com> | 2018-02-22 08:35:11 +0100 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-26 23:09:36 -0500 |
commit | 92e71b0676447fff40c1e747b2585a9d11c5fca2 (patch) | |
tree | 351d0a81482fb3a97543f90c74069aad35739b74 /drivers/gpu/drm/amd/amdgpu | |
parent | a02497b73218f10f237d98fb10d34d0baed607a0 (diff) | |
download | linux-92e71b0676447fff40c1e747b2585a9d11c5fca2.tar.gz linux-92e71b0676447fff40c1e747b2585a9d11c5fca2.tar.bz2 linux-92e71b0676447fff40c1e747b2585a9d11c5fca2.zip |
drm/amdgpu: use the TTM dummy page instead of allocating one
We have a global dummy page in TTM, use that one instead of allocating a
new one.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 29 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_ih.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cz_ih.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 2 |
13 files changed, 30 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 1ac81be374dd..3e6f27d363e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -344,14 +344,6 @@ bool amdgpu_get_bios(struct amdgpu_device *adev); bool amdgpu_read_bios(struct amdgpu_device *adev); /* - * Dummy page - */ -struct amdgpu_dummy_page { - struct page *page; - dma_addr_t addr; -}; - -/* * Clocks */ @@ -1505,7 +1497,7 @@ struct amdgpu_device { /* MC */ struct amdgpu_gmc gmc; struct amdgpu_gart gart; - struct amdgpu_dummy_page dummy_page; + dma_addr_t dummy_page_addr; struct amdgpu_vm_manager vm_manager; struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS]; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 008eaee57114..137145dd14a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -68,17 +68,15 @@ */ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) { - if (adev->dummy_page.page) + struct page *dummy_page = adev->mman.bdev.glob->dummy_read_page; + + if (adev->dummy_page_addr) return 0; - adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); - if (adev->dummy_page.page == NULL) - return -ENOMEM; - adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, - 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { + adev->dummy_page_addr = pci_map_page(adev->pdev, dummy_page, 0, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (pci_dma_mapping_error(adev->pdev, adev->dummy_page_addr)) { dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; + adev->dummy_page_addr = 0; return -ENOMEM; } return 0; @@ -93,12 +91,11 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) */ static void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) { - if (adev->dummy_page.page == NULL) + if (!adev->dummy_page_addr) return; - pci_unmap_page(adev->pdev, adev->dummy_page.addr, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; + pci_unmap_page(adev->pdev, adev->dummy_page_addr, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + adev->dummy_page_addr = 0; } /** @@ -236,7 +233,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, #ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS adev->gart.pages[p] = NULL; #endif - page_base = adev->dummy_page.addr; + page_base = adev->dummy_page_addr; if (!adev->gart.ptr) continue; @@ -347,7 +344,7 @@ int amdgpu_gart_init(struct amdgpu_device *adev) { int r; - if (adev->dummy_page.page) + if (adev->dummy_page_addr) return 0; /* We need PAGE_SIZE >= AMDGPU_GPU_PAGE_SIZE */ diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index 07c7852180d0..44d10c2172f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -111,7 +111,7 @@ static int cik_ih_irq_init(struct amdgpu_device *adev) cik_ih_disable_interrupts(adev); /* setup interrupt control */ - WREG32(mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32(mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32(mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index cfd0ad03c938..960c29e17da6 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -111,7 +111,7 @@ static int cz_ih_irq_init(struct amdgpu_device *adev) cz_ih_disable_interrupts(adev); /* setup interrupt control */ - WREG32(mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32(mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32(mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 94a07bcbbdda..acfbd2d749cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -92,9 +92,9 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) /* Program "protection fault". */ WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, - (u32)((u64)adev->dummy_page.addr >> 44)); + (u32)((u64)adev->dummy_page_addr >> 44)); WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2, ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 2c0ed9dd0c91..5617cf62c566 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -533,7 +533,7 @@ static int gmc_v6_0_gart_enable(struct amdgpu_device *adev) WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); WREG32(mmVM_CONTEXT0_CNTL, VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK | @@ -563,7 +563,7 @@ static int gmc_v6_0_gart_enable(struct amdgpu_device *adev) /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); WREG32(mmVM_CONTEXT1_CNTL, VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK | diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 4edd17059868..80054f36e487 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -644,7 +644,7 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); @@ -674,7 +674,7 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 1e0ad0657e96..724bf1c2596e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -860,7 +860,7 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); @@ -890,7 +890,7 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c index 3237a576692d..842c4b677b4d 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c @@ -111,7 +111,7 @@ static int iceland_ih_irq_init(struct amdgpu_device *adev) iceland_ih_disable_interrupts(adev); /* setup interrupt control */ - WREG32(mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32(mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32(mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index d0ade9fd9fa9..3dd5816495a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -103,9 +103,9 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) /* Program "protection fault". */ WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, - (u32)(adev->dummy_page.addr >> 12)); + (u32)(adev->dummy_page_addr >> 12)); WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, - (u32)((u64)adev->dummy_page.addr >> 44)); + (u32)((u64)adev->dummy_page_addr >> 44)); tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2, diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c index 2daeef6e9345..1cf34248dff4 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -133,7 +133,7 @@ static void nbio_v6_1_ih_control(struct amdgpu_device *adev) u32 interrupt_cntl; /* setup interrupt control */ - WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c index cd10c76a76e2..df34dc79d444 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c @@ -208,7 +208,7 @@ static void nbio_v7_0_ih_control(struct amdgpu_device *adev) u32 interrupt_cntl; /* setup interrupt control */ - WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index 18435389bae4..52853d8a8fdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -107,7 +107,7 @@ static int tonga_ih_irq_init(struct amdgpu_device *adev) tonga_ih_disable_interrupts(adev); /* setup interrupt control */ - WREG32(mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8); + WREG32(mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32(mmINTERRUPT_CNTL); /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN |