Add proper #ifndef around the xe_hmm.h header, proper spacing and since the documentation mostly follows kerneldoc format, make it kerneldoc. Also prepare for upcoming -stable fixes.
Fixes: 81e058a3e7fd ("drm/xe: Introduce helper to populate userptr") Cc: Oak Zeng oak.zeng@intel.com Cc: stable@vger.kernel.org # v6.10+ Signed-off-by: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/xe/xe_hmm.c | 9 +++------ drivers/gpu/drm/xe/xe_hmm.h | 5 +++++ 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_hmm.c b/drivers/gpu/drm/xe/xe_hmm.c index 089834467880..c56738fa713b 100644 --- a/drivers/gpu/drm/xe/xe_hmm.c +++ b/drivers/gpu/drm/xe/xe_hmm.c @@ -19,11 +19,10 @@ static u64 xe_npages_in_range(unsigned long start, unsigned long end) return (end - start) >> PAGE_SHIFT; }
-/* +/** * xe_mark_range_accessed() - mark a range is accessed, so core mm * have such information for memory eviction or write back to * hard disk - * * @range: the range to mark * @write: if write to this range, we mark pages in this range * as dirty @@ -43,11 +42,10 @@ static void xe_mark_range_accessed(struct hmm_range *range, bool write) } }
-/* +/** * xe_build_sg() - build a scatter gather table for all the physical pages/pfn * in a hmm_range. dma-map pages if necessary. dma-address is save in sg table * and will be used to program GPU page table later. - * * @xe: the xe device who will access the dma-address in sg table * @range: the hmm range that we build the sg table from. range->hmm_pfns[] * has the pfn numbers of pages that back up this hmm address range. @@ -112,9 +110,8 @@ static int xe_build_sg(struct xe_device *xe, struct hmm_range *range, return ret; }
-/* +/** * xe_hmm_userptr_free_sg() - Free the scatter gather table of userptr - * * @uvma: the userptr vma which hold the scatter gather table * * With function xe_userptr_populate_range, we allocate storage of diff --git a/drivers/gpu/drm/xe/xe_hmm.h b/drivers/gpu/drm/xe/xe_hmm.h index 909dc2bdcd97..9602cb7d976d 100644 --- a/drivers/gpu/drm/xe/xe_hmm.h +++ b/drivers/gpu/drm/xe/xe_hmm.h @@ -3,9 +3,14 @@ * Copyright © 2024 Intel Corporation */
+#ifndef _XE_HMM_H_ +#define _XE_HMM_H_ + #include <linux/types.h>
struct xe_userptr_vma;
int xe_hmm_userptr_populate_range(struct xe_userptr_vma *uvma, bool is_mm_mmap_locked); + void xe_hmm_userptr_free_sg(struct xe_userptr_vma *uvma); +#endif