2021-08-22 21:24:47

by Christophe JAILLET

Subject: [PATCH] drm/amdgpu: switch from 'pci_' to 'dma_' API

The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below.

It has been compile tested.

@@
@@
- PCI_DMA_BIDIRECTIONAL
+ DMA_BIDIRECTIONAL

@@
@@
- PCI_DMA_TODEVICE
+ DMA_TO_DEVICE

@@
@@
- PCI_DMA_FROMDEVICE
+ DMA_FROM_DEVICE

@@
@@
- PCI_DMA_NONE
+ DMA_NONE

@@
expression e1, e2, e3;
@@
- pci_alloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
- pci_zalloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
- pci_free_consistent(e1, e2, e3, e4)
+ dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_map_single(e1, e2, e3, e4)
+ dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_unmap_single(e1, e2, e3, e4)
+ dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
- pci_map_page(e1, e2, e3, e4, e5)
+ dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
- pci_unmap_page(e1, e2, e3, e4)
+ dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_map_sg(e1, e2, e3, e4)
+ dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_unmap_sg(e1, e2, e3, e4)
+ dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+ dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_device(e1, e2, e3, e4)
+ dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+ dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+ dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
- pci_dma_mapping_error(e1, e2)
+ dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
- pci_set_dma_mask(e1, e2)
+ dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
- pci_set_consistent_dma_mask(e1, e2)
+ dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <[email protected]>
---
If needed, see post from Christoph Hellwig on the kernel-janitors ML:
https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index b36405170ff3..76efd5f8950f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -76,7 +76,7 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
if (adev->dummy_page_addr)
return 0;
adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0,
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
if (dma_mapping_error(&adev->pdev->dev, adev->dummy_page_addr)) {
dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n");
adev->dummy_page_addr = 0;
@@ -96,8 +96,8 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
{
if (!adev->dummy_page_addr)
return;
- pci_unmap_page(adev->pdev, adev->dummy_page_addr,
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_page(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE,
+ DMA_BIDIRECTIONAL);
adev->dummy_page_addr = 0;
}

--
2.30.2

2021-08-23 06:18:26

by Christian König

Subject: Re: [PATCH] drm/amdgpu: switch from 'pci_' to 'dma_' API

Am 22.08.21 um 23:21 schrieb Christophe JAILLET:
> The wrappers in include/linux/pci-dma-compat.h should go away.
>
> The patch has been generated with the coccinelle script below.
>
> It has been compile tested.
>
> @@
> @@
> - PCI_DMA_BIDIRECTIONAL
> + DMA_BIDIRECTIONAL
>
> @@
> @@
> - PCI_DMA_TODEVICE
> + DMA_TO_DEVICE
>
> @@
> @@
> - PCI_DMA_FROMDEVICE
> + DMA_FROM_DEVICE
>
> @@
> @@
> - PCI_DMA_NONE
> + DMA_NONE
>
> @@
> expression e1, e2, e3;
> @@
> - pci_alloc_consistent(e1, e2, e3)
> + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
>
> @@
> expression e1, e2, e3;
> @@
> - pci_zalloc_consistent(e1, e2, e3)
> + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_free_consistent(e1, e2, e3, e4)
> + dma_free_coherent(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_map_single(e1, e2, e3, e4)
> + dma_map_single(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_single(e1, e2, e3, e4)
> + dma_unmap_single(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4, e5;
> @@
> - pci_map_page(e1, e2, e3, e4, e5)
> + dma_map_page(&e1->dev, e2, e3, e4, e5)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_page(e1, e2, e3, e4)
> + dma_unmap_page(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_map_sg(e1, e2, e3, e4)
> + dma_map_sg(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_sg(e1, e2, e3, e4)
> + dma_unmap_sg(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
> + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_single_for_device(e1, e2, e3, e4)
> + dma_sync_single_for_device(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
> + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_sg_for_device(e1, e2, e3, e4)
> + dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2;
> @@
> - pci_dma_mapping_error(e1, e2)
> + dma_mapping_error(&e1->dev, e2)
>
> @@
> expression e1, e2;
> @@
> - pci_set_dma_mask(e1, e2)
> + dma_set_mask(&e1->dev, e2)
>
> @@
> expression e1, e2;
> @@
> - pci_set_consistent_dma_mask(e1, e2)
> + dma_set_coherent_mask(&e1->dev, e2)
>
> Signed-off-by: Christophe JAILLET <[email protected]>

Reviewed-by: Christian König <[email protected]>

> ---
> If needed, see post from Christoph Hellwig on the kernel-janitors ML:
> https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> index b36405170ff3..76efd5f8950f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> @@ -76,7 +76,7 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
> if (adev->dummy_page_addr)
> return 0;
> adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0,
> - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
> + PAGE_SIZE, DMA_BIDIRECTIONAL);
> if (dma_mapping_error(&adev->pdev->dev, adev->dummy_page_addr)) {
> dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n");
> adev->dummy_page_addr = 0;
> @@ -96,8 +96,8 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
> {
> if (!adev->dummy_page_addr)
> return;
> - pci_unmap_page(adev->pdev, adev->dummy_page_addr,
> - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE,
> + DMA_BIDIRECTIONAL);
> adev->dummy_page_addr = 0;
> }
>

2021-08-23 17:53:33

by Alex Deucher

Subject: Re: [PATCH] drm/amdgpu: switch from 'pci_' to 'dma_' API

Applied. Thanks!

Alex

On Mon, Aug 23, 2021 at 2:16 AM Christian König
<[email protected]> wrote:
>
> Am 22.08.21 um 23:21 schrieb Christophe JAILLET:
> > The wrappers in include/linux/pci-dma-compat.h should go away.
> >
> > The patch has been generated with the coccinelle script below.
> >
> > It has been compile tested.
> >
> > @@
> > @@
> > - PCI_DMA_BIDIRECTIONAL
> > + DMA_BIDIRECTIONAL
> >
> > @@
> > @@
> > - PCI_DMA_TODEVICE
> > + DMA_TO_DEVICE
> >
> > @@
> > @@
> > - PCI_DMA_FROMDEVICE
> > + DMA_FROM_DEVICE
> >
> > @@
> > @@
> > - PCI_DMA_NONE
> > + DMA_NONE
> >
> > @@
> > expression e1, e2, e3;
> > @@
> > - pci_alloc_consistent(e1, e2, e3)
> > + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
> >
> > @@
> > expression e1, e2, e3;
> > @@
> > - pci_zalloc_consistent(e1, e2, e3)
> > + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_free_consistent(e1, e2, e3, e4)
> > + dma_free_coherent(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_map_single(e1, e2, e3, e4)
> > + dma_map_single(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_unmap_single(e1, e2, e3, e4)
> > + dma_unmap_single(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4, e5;
> > @@
> > - pci_map_page(e1, e2, e3, e4, e5)
> > + dma_map_page(&e1->dev, e2, e3, e4, e5)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_unmap_page(e1, e2, e3, e4)
> > + dma_unmap_page(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_map_sg(e1, e2, e3, e4)
> > + dma_map_sg(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_unmap_sg(e1, e2, e3, e4)
> > + dma_unmap_sg(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
> > + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_dma_sync_single_for_device(e1, e2, e3, e4)
> > + dma_sync_single_for_device(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
> > + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2, e3, e4;
> > @@
> > - pci_dma_sync_sg_for_device(e1, e2, e3, e4)
> > + dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
> >
> > @@
> > expression e1, e2;
> > @@
> > - pci_dma_mapping_error(e1, e2)
> > + dma_mapping_error(&e1->dev, e2)
> >
> > @@
> > expression e1, e2;
> > @@
> > - pci_set_dma_mask(e1, e2)
> > + dma_set_mask(&e1->dev, e2)
> >
> > @@
> > expression e1, e2;
> > @@
> > - pci_set_consistent_dma_mask(e1, e2)
> > + dma_set_coherent_mask(&e1->dev, e2)
> >
> > Signed-off-by: Christophe JAILLET <[email protected]>
>
> Reviewed-by: Christian König <[email protected]>
>
> > ---
> > If needed, see post from Christoph Hellwig on the kernel-janitors ML:
> > https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> > index b36405170ff3..76efd5f8950f 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> > @@ -76,7 +76,7 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
> > if (adev->dummy_page_addr)
> > return 0;
> > adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0,
> > - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
> > + PAGE_SIZE, DMA_BIDIRECTIONAL);
> > if (dma_mapping_error(&adev->pdev->dev, adev->dummy_page_addr)) {
> > dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n");
> > adev->dummy_page_addr = 0;
> > @@ -96,8 +96,8 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
> > {
> > if (!adev->dummy_page_addr)
> > return;
> > - pci_unmap_page(adev->pdev, adev->dummy_page_addr,
> > - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
> > + dma_unmap_page(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE,
> > + DMA_BIDIRECTIONAL);
> > adev->dummy_page_addr = 0;
> > }
> >
>