From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 6 Jul 2018 13:26:10 +0100
Subject: drm/i915/gtt: Suppress warnings for dma_map_page
Git-commit: 58174eac1593f104c03a15330e0fea1b1ec01434
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
As we propagate back the error to the caller for them to handle, we do
not need the lowest level spitting out a redundant warning upon an
allocation failure inside dma_map_page().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180706122611.4142-1-chris@chris-wilson.co.uk
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -561,8 +561,10 @@ static int __setup_page_dma(struct i915_
if (unlikely(!p->page))
return -ENOMEM;
- p->daddr = dma_map_page(vm->dma, p->page, 0, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
+ p->daddr = dma_map_page_attrs(vm->dma,
+ p->page, 0, PAGE_SIZE,
+ PCI_DMA_BIDIRECTIONAL,
+ DMA_ATTR_NO_WARN);
if (unlikely(dma_mapping_error(vm->dma, p->daddr))) {
vm_free_page(vm, p->page);
return -ENOMEM;
@@ -643,8 +645,10 @@ setup_scratch_page(struct i915_address_s
if (unlikely(!page))
goto skip;
- addr = dma_map_page(vm->dma, page, 0, size,
- PCI_DMA_BIDIRECTIONAL);
+ addr = dma_map_page_attrs(vm->dma,
+ page, 0, size,
+ PCI_DMA_BIDIRECTIONAL,
+ DMA_ATTR_NO_WARN);
if (unlikely(dma_mapping_error(vm->dma, addr)))
goto free_page;