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drm: Promote drm_mm alignment to u64

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In places (e.g. i915.ko), the alignment is exported to userspace as u64
and there now exists hardware for which we can indeed utilize a u64
alignment. As such, we need to keep 64bit integers throughout when
handling alignment.

Testcase: igt/drm_mm/align64
Testcase: igt/gem_exec_alignment
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-22-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-12-22 08:36:24 +00:00 • committed by Daniel Vetter
parent d1bac3a781
commit 7173320758
3 changed files with 27 additions and 30 deletions
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16
include/drm/drm_mm.h
View file

@ -98,12 +98,12 @@ struct drm_mm {
struct rb_root interval_tree;
unsigned int scan_check_range : 1;
unsigned scan_alignment;
unsigned int scanned_blocks;
unsigned long scan_color;
u64 scan_alignment;
u64 scan_size;
u64 scan_hit_start;
u64 scan_hit_end;
unsigned scanned_blocks;
u64 scan_start;
u64 scan_end;
struct drm_mm_node *prev_scanned_node;
@ -261,7 +261,7 @@ int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node);
int drm_mm_insert_node_generic(struct drm_mm *mm,
struct drm_mm_node *node,
u64 size,
unsigned alignment,
u64 alignment,
unsigned long color,
enum drm_mm_search_flags sflags,
enum drm_mm_allocator_flags aflags);
@ -284,7 +284,7 @@ int drm_mm_insert_node_generic(struct drm_mm *mm,
static inline int drm_mm_insert_node(struct drm_mm *mm,
struct drm_mm_node *node,
u64 size,
unsigned alignment,
u64 alignment,
enum drm_mm_search_flags flags)
{
return drm_mm_insert_node_generic(mm, node, size, alignment, 0, flags,
@ -294,7 +294,7 @@ static inline int drm_mm_insert_node(struct drm_mm *mm,
int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
struct drm_mm_node *node,
u64 size,
unsigned alignment,
u64 alignment,
unsigned long color,
u64 start,
u64 end,
@ -321,7 +321,7 @@ int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
struct drm_mm_node *node,
u64 size,
unsigned alignment,
u64 alignment,
u64 start,
u64 end,
enum drm_mm_search_flags flags)
@ -361,11 +361,11 @@ __drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last);
void drm_mm_init_scan(struct drm_mm *mm,
u64 size,
unsigned alignment,
u64 alignment,
unsigned long color);
void drm_mm_init_scan_with_range(struct drm_mm *mm,
u64 size,
unsigned alignment,
u64 alignment,
unsigned long color,
u64 start,
u64 end);