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drm/xe/hmm: Style- and include fixes

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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: 81e058a3e7 ("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>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Acked-by: Matthew Brost <Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250304173342.22009-2-thomas.hellstrom@linux.intel.com
(cherry picked from commit bbe2b06b55)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Thomas Hellström 2025-03-04 18:33:40 +01:00 committed by Rodrigo Vivi
parent ae482ec8cd
commit e3e2e7fc4c
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2 changed files with 8 additions and 6 deletions
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9
drivers/gpu/drm/xe/xe_hmm.c
View File

@ -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

5
drivers/gpu/drm/xe/xe_hmm.h
View File

@ -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