[PATCH] drm/r128: switch from 'pci_' to 'dma_' API - dri-devel - freedesktop.org experimental mailing list

22 Aug 2021

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 christophe.jaillet@wanadoo.fr
---
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/r128/ati_pcigart.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c
index 0ecccf25a3c7..26001c2de9e9 100644
--- a/drivers/gpu/drm/r128/ati_pcigart.c
+++ b/drivers/gpu/drm/r128/ati_pcigart.c
@@ -99,7 +99,8 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
    	for (i = 0; i < pages; i++) {
    		if (!entry->busaddr[i])
    			break;
-			pci_unmap_page(pdev, entry->busaddr[i], PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+			dma_unmap_page(&pdev->dev, entry->busaddr[i],
+				       PAGE_SIZE, DMA_BIDIRECTIONAL);
    	}
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
@@ -134,7 +135,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
    if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
    	DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
-		if (pci_set_dma_mask(pdev, gart_info->table_mask)) {
+		if (dma_set_mask(&pdev->dev, gart_info->table_mask)) {
    		DRM_ERROR("fail to set dma mask to 0x%Lx\n",
    			  (unsigned long long)gart_info->table_mask);
    		ret = -EFAULT;
@@ -173,9 +174,9 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
    gart_idx = 0;
    for (i = 0; i < pages; i++) {
    	/* we need to support large memory configurations */
-		entry->busaddr[i] = pci_map_page(pdev, entry->pagelist[i],
-						 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-		if (pci_dma_mapping_error(pdev, entry->busaddr[i])) {
+		entry->busaddr[i] = dma_map_page(&pdev->dev, entry->pagelist[i],
+						 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(&pdev->dev, entry->busaddr[i])) {
    		DRM_ERROR("unable to map PCIGART pages!\n");
    		drm_ati_pcigart_cleanup(dev, gart_info);
    		address = NULL;
-- 
2.30.2


    