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drm/xe/mmio_gem: simplify fault handler loop

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Make the iteration over the addresses in the VMA more explicit.
No functional change, as the VMA matches the GEM object exactly.

Signed-off-by: Ilia Levi <ilia.levi@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patch.msgid.link/20260908165046.1393557-13-matthew.auld@intel.com
(cherry picked from commit 6666ca9192f3bdf839aad33b9e1c9ebb7a222a29)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ilia Levi 2026-09-08 17:50:50 +01:00 committed by Rodrigo Vivi
parent 819f189265
commit 0c50663403
No known key found for this signature in database
GPG Key ID: FA625F640EEB13CA
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/xe/xe_mmio_gem.c
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@ -200,7 +200,7 @@ static vm_fault_t xe_mmio_gem_vm_fault(struct vm_fault *vmf)
struct xe_mmio_gem *obj = to_xe_mmio_gem(base);
struct drm_device *dev = base->dev;
vm_fault_t ret = VM_FAULT_NOPAGE;
unsigned long i;
unsigned long addr, pfn;
int idx;
if (!drm_dev_enter(dev, &idx)) {
@ -213,13 +213,13 @@ static vm_fault_t xe_mmio_gem_vm_fault(struct vm_fault *vmf)
return xe_mmio_gem_vm_fault_dummy_page(vmf);
}
for (i = 0; i < base->size; i += PAGE_SIZE) {
unsigned long addr = vma->vm_start + i;
unsigned long phys_addr = obj->phys_addr + i;
ret = vmf_insert_pfn(vma, addr, PHYS_PFN(phys_addr));
pfn = PHYS_PFN(obj->phys_addr);
for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) {
ret = vmf_insert_pfn(vma, addr, pfn);
if (ret & VM_FAULT_ERROR)
break;
pfn++;
}
drm_dev_exit(idx);