Re: [PATCH] drm/i915: Use direction definition DMA_BIDIRECTIONAL instead of PCI_DMA_BIDIRECTIONAL

From: Daniel Vetter
Date: Thu Sep 30 2021 - 10:21:46 EST

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In reply to: Cai Huoqing: "[PATCH] drm/i915: Use direction definition DMA_BIDIRECTIONAL instead of PCI_DMA_BIDIRECTIONAL"
Next in thread: Christophe JAILLET: "Re: [PATCH] drm/i915: Use direction definition DMA_BIDIRECTIONAL instead of PCI_DMA_BIDIRECTIONAL"
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On Sat, Sep 25, 2021 at 08:46:12PM +0800, Cai Huoqing wrote:
> Replace direction definition PCI_DMA_BIDIRECTIONAL
> with DMA_BIDIRECTIONAL, because it helps to enhance readability
> and avoid possible inconsistency.
>
> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>

Applied to drm-intel-gt-next, thanks for the patch.
-Daniel

> ---
> drivers/gpu/drm/i915/gt/intel_region_lmem.c | 4 ++--
> drivers/gpu/drm/i915/gvt/gtt.c | 17 ++++++++---------
> drivers/gpu/drm/i915/gvt/kvmgt.c | 4 ++--
> drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++--
> 4 files changed, 14 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
> index a74b72f50cc9..afb35d2e5c73 100644
> --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c
> +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
> @@ -32,7 +32,7 @@ static int init_fake_lmem_bar(struct intel_memory_region *mem)
> mem->remap_addr = dma_map_resource(i915->drm.dev,
> mem->region.start,
> mem->fake_mappable.size,
> - PCI_DMA_BIDIRECTIONAL,
> + DMA_BIDIRECTIONAL,
> DMA_ATTR_FORCE_CONTIGUOUS);
> if (dma_mapping_error(i915->drm.dev, mem->remap_addr)) {
> drm_mm_remove_node(&mem->fake_mappable);
> @@ -62,7 +62,7 @@ static void release_fake_lmem_bar(struct intel_memory_region *mem)
> dma_unmap_resource(mem->i915->drm.dev,
> mem->remap_addr,
> mem->fake_mappable.size,
> - PCI_DMA_BIDIRECTIONAL,
> + DMA_BIDIRECTIONAL,
> DMA_ATTR_FORCE_CONTIGUOUS);
> }
>
> diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
> index e5c2fdfc20e3..53d0cb327539 100644
> --- a/drivers/gpu/drm/i915/gvt/gtt.c
> +++ b/drivers/gpu/drm/i915/gvt/gtt.c
> @@ -745,7 +745,7 @@ static void ppgtt_free_spt(struct intel_vgpu_ppgtt_spt *spt)
> trace_spt_free(spt->vgpu->id, spt, spt->guest_page.type);
>
> dma_unmap_page(kdev, spt->shadow_page.mfn << I915_GTT_PAGE_SHIFT, 4096,
> - PCI_DMA_BIDIRECTIONAL);
> + DMA_BIDIRECTIONAL);
>
> radix_tree_delete(&spt->vgpu->gtt.spt_tree, spt->shadow_page.mfn);
>
> @@ -849,7 +849,7 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_alloc_spt(
> */
> spt->shadow_page.type = type;
> daddr = dma_map_page(kdev, spt->shadow_page.page,
> - 0, 4096, PCI_DMA_BIDIRECTIONAL);
> + 0, 4096, DMA_BIDIRECTIONAL);
> if (dma_mapping_error(kdev, daddr)) {
> gvt_vgpu_err("fail to map dma addr\n");
> ret = -EINVAL;
> @@ -865,7 +865,7 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_alloc_spt(
> return spt;
>
> err_unmap_dma:
> - dma_unmap_page(kdev, daddr, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(kdev, daddr, PAGE_SIZE, DMA_BIDIRECTIONAL);
> err_free_spt:
> free_spt(spt);
> return ERR_PTR(ret);
> @@ -2409,8 +2409,7 @@ static int alloc_scratch_pages(struct intel_vgpu *vgpu,
> return -ENOMEM;
> }
>
> - daddr = dma_map_page(dev, virt_to_page(scratch_pt), 0,
> - 4096, PCI_DMA_BIDIRECTIONAL);
> + daddr = dma_map_page(dev, virt_to_page(scratch_pt), 0, 4096, DMA_BIDIRECTIONAL);
> if (dma_mapping_error(dev, daddr)) {
> gvt_vgpu_err("fail to dmamap scratch_pt\n");
> __free_page(virt_to_page(scratch_pt));
> @@ -2461,7 +2460,7 @@ static int release_scratch_page_tree(struct intel_vgpu *vgpu)
> if (vgpu->gtt.scratch_pt[i].page != NULL) {
> daddr = (dma_addr_t)(vgpu->gtt.scratch_pt[i].page_mfn <<
> I915_GTT_PAGE_SHIFT);
> - dma_unmap_page(dev, daddr, 4096, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(dev, daddr, 4096, DMA_BIDIRECTIONAL);
> __free_page(vgpu->gtt.scratch_pt[i].page);
> vgpu->gtt.scratch_pt[i].page = NULL;
> vgpu->gtt.scratch_pt[i].page_mfn = 0;
> @@ -2741,7 +2740,7 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt)
> }
>
> daddr = dma_map_page(dev, virt_to_page(page), 0,
> - 4096, PCI_DMA_BIDIRECTIONAL);
> + 4096, DMA_BIDIRECTIONAL);
> if (dma_mapping_error(dev, daddr)) {
> gvt_err("fail to dmamap scratch ggtt page\n");
> __free_page(virt_to_page(page));
> @@ -2755,7 +2754,7 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt)
> ret = setup_spt_oos(gvt);
> if (ret) {
> gvt_err("fail to initialize SPT oos\n");
> - dma_unmap_page(dev, daddr, 4096, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(dev, daddr, 4096, DMA_BIDIRECTIONAL);
> __free_page(gvt->gtt.scratch_page);
> return ret;
> }
> @@ -2779,7 +2778,7 @@ void intel_gvt_clean_gtt(struct intel_gvt *gvt)
> dma_addr_t daddr = (dma_addr_t)(gvt->gtt.scratch_mfn <<
> I915_GTT_PAGE_SHIFT);
>
> - dma_unmap_page(dev, daddr, 4096, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(dev, daddr, 4096, DMA_BIDIRECTIONAL);
>
> __free_page(gvt->gtt.scratch_page);
>
> diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
> index 7efa386449d1..20b82fb036f8 100644
> --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
> +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> @@ -328,7 +328,7 @@ static int gvt_dma_map_page(struct intel_vgpu *vgpu, unsigned long gfn,
> return ret;
>
> /* Setup DMA mapping. */
> - *dma_addr = dma_map_page(dev, page, 0, size, PCI_DMA_BIDIRECTIONAL);
> + *dma_addr = dma_map_page(dev, page, 0, size, DMA_BIDIRECTIONAL);
> if (dma_mapping_error(dev, *dma_addr)) {
> gvt_vgpu_err("DMA mapping failed for pfn 0x%lx, ret %d\n",
> page_to_pfn(page), ret);
> @@ -344,7 +344,7 @@ static void gvt_dma_unmap_page(struct intel_vgpu *vgpu, unsigned long gfn,
> {
> struct device *dev = vgpu->gvt->gt->i915->drm.dev;
>
> - dma_unmap_page(dev, dma_addr, size, PCI_DMA_BIDIRECTIONAL);
> + dma_unmap_page(dev, dma_addr, size, DMA_BIDIRECTIONAL);
> gvt_unpin_guest_page(vgpu, gfn, size);
> }
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 36489be4896b..cd5f2348a187 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -30,7 +30,7 @@ int i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
> do {
> if (dma_map_sg_attrs(obj->base.dev->dev,
> pages->sgl, pages->nents,
> - PCI_DMA_BIDIRECTIONAL,
> + DMA_BIDIRECTIONAL,
> DMA_ATTR_SKIP_CPU_SYNC |
> DMA_ATTR_NO_KERNEL_MAPPING |
> DMA_ATTR_NO_WARN))
> @@ -64,7 +64,7 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
> usleep_range(100, 250);
>
> dma_unmap_sg(i915->drm.dev, pages->sgl, pages->nents,
> - PCI_DMA_BIDIRECTIONAL);
> + DMA_BIDIRECTIONAL);
> }
>
> /**
> --
> 2.25.1
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Next message: Campin, Mike: "RE: [RFC 0/7] Support in-kernel DMA with PASID and SVA"
Previous message: Simon Trimmer: "[PATCH] ASoC: soc-component: Remove conditional definition of debugfs data members"
In reply to: Cai Huoqing: "[PATCH] drm/i915: Use direction definition DMA_BIDIRECTIONAL instead of PCI_DMA_BIDIRECTIONAL"
Next in thread: Christophe JAILLET: "Re: [PATCH] drm/i915: Use direction definition DMA_BIDIRECTIONAL instead of PCI_DMA_BIDIRECTIONAL"
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