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Diffstat (limited to '0003-drm-Remove-PageReserved-manipulation-from-drm_pci_al.patch')
-rw-r--r--0003-drm-Remove-PageReserved-manipulation-from-drm_pci_al.patch92
1 files changed, 0 insertions, 92 deletions
diff --git a/0003-drm-Remove-PageReserved-manipulation-from-drm_pci_al.patch b/0003-drm-Remove-PageReserved-manipulation-from-drm_pci_al.patch
deleted file mode 100644
index f7c14132e3f..00000000000
--- a/0003-drm-Remove-PageReserved-manipulation-from-drm_pci_al.patch
+++ /dev/null
@@ -1,92 +0,0 @@
-From 7e8f0d17203665f1e6cb110ecbfc90e9ebed8c28 Mon Sep 17 00:00:00 2001
-From: Chris Wilson <chris@chris-wilson.co.uk>
-Date: Sun, 2 Feb 2020 17:16:31 +0000
-Subject: [PATCH 03/13] drm: Remove PageReserved manipulation from
- drm_pci_alloc
-
-drm_pci_alloc/drm_pci_free are very thin wrappers around the core dma
-facilities, and we have no special reason within the drm layer to behave
-differently. In particular, since
-
-commit de09d31dd38a50fdce106c15abd68432eebbd014
-Author: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
-Date: Fri Jan 15 16:51:42 2016 -0800
-
- page-flags: define PG_reserved behavior on compound pages
-
- As far as I can see there's no users of PG_reserved on compound pages.
- Let's use PF_NO_COMPOUND here.
-
-it has been illegal to combine GFP_COMP with SetPageReserved, so lets
-stop doing both and leave the dma layer to its own devices.
-
-Reported-by: Taketo Kabe
-Bug: https://gitlab.freedesktop.org/drm/intel/issues/1027
-Fixes: de09d31dd38a ("page-flags: define PG_reserved behavior on compound pages")
-Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-Cc: <stable@vger.kernel.org> # v4.5+
-Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
-Link: https://patchwork.freedesktop.org/patch/msgid/20200202171635.4039044-1-chris@chris-wilson.co.uk
----
- drivers/gpu/drm/drm_pci.c | 23 ++---------------------
- 1 file changed, 2 insertions(+), 21 deletions(-)
-
-diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
-index a86a3ab2771c..235729f4aadb 100644
---- a/drivers/gpu/drm/drm_pci.c
-+++ b/drivers/gpu/drm/drm_pci.c
-@@ -51,8 +51,6 @@
- drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align)
- {
- drm_dma_handle_t *dmah;
-- unsigned long addr;
-- size_t sz;
-
- /* pci_alloc_consistent only guarantees alignment to the smallest
- * PAGE_SIZE order which is greater than or equal to the requested size.
-@@ -68,20 +66,13 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
- dmah->size = size;
- dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size,
- &dmah->busaddr,
-- GFP_KERNEL | __GFP_COMP);
-+ GFP_KERNEL);
-
- if (dmah->vaddr == NULL) {
- kfree(dmah);
- return NULL;
- }
-
-- /* XXX - Is virt_to_page() legal for consistent mem? */
-- /* Reserve */
-- for (addr = (unsigned long)dmah->vaddr, sz = size;
-- sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-- SetPageReserved(virt_to_page((void *)addr));
-- }
--
- return dmah;
- }
-
-@@ -94,19 +85,9 @@ EXPORT_SYMBOL(drm_pci_alloc);
- */
- void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
- {
-- unsigned long addr;
-- size_t sz;
--
-- if (dmah->vaddr) {
-- /* XXX - Is virt_to_page() legal for consistent mem? */
-- /* Unreserve */
-- for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
-- sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-- ClearPageReserved(virt_to_page((void *)addr));
-- }
-+ if (dmah->vaddr)
- dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
- dmah->busaddr);
-- }
- }
-
- /**
---
-2.26.0
-