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drm/xe: Add xe_ggtt_alloc

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Instead of allocating inside xe_tile, create a new function that returns
an allocated struct xe_ggtt from xe_ggtt.c

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250505121924.921544-4-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
This commit is contained in:
Maarten Lankhorst
2025-05-05 14:19:16 +02:00
committed by Maarten Lankhorst
parent b5fe33dcb8
commit e0ee402750
3 changed files with 19 additions and 5 deletions
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16
drivers/gpu/drm/xe/xe_ggtt.c
View File

@@ -160,6 +160,22 @@ static void xe_ggtt_clear(struct xe_ggtt *ggtt, u64 start, u64 size)
}
}
/**
* xe_ggtt_alloc - Allocate a GGTT for a given &xe_tile
* @tile: &xe_tile
*
* Allocates a &xe_ggtt for a given tile.
*
* Return: &xe_ggtt on success, or NULL when out of memory.
*/
struct xe_ggtt *xe_ggtt_alloc(struct xe_tile *tile)
{
struct xe_ggtt *ggtt = drmm_kzalloc(&tile_to_xe(tile)->drm, sizeof(*ggtt), GFP_KERNEL);
if (ggtt)
ggtt->tile = tile;
return ggtt;
}
static void ggtt_fini_early(struct drm_device *drm, void *arg)
{
struct xe_ggtt *ggtt = arg;

2
drivers/gpu/drm/xe/xe_ggtt.h
View File

@@ -9,7 +9,9 @@
#include "xe_ggtt_types.h"
struct drm_printer;
struct xe_tile;
struct xe_ggtt *xe_ggtt_alloc(struct xe_tile *tile);
int xe_ggtt_init_early(struct xe_ggtt *ggtt);
int xe_ggtt_init(struct xe_ggtt *ggtt);

6
drivers/gpu/drm/xe/xe_tile.c
View File

@@ -87,13 +87,9 @@
*/
static int xe_tile_alloc(struct xe_tile *tile)
{
struct drm_device *drm = &tile_to_xe(tile)->drm;
tile->mem.ggtt = drmm_kzalloc(drm, sizeof(*tile->mem.ggtt),
GFP_KERNEL);
tile->mem.ggtt = xe_ggtt_alloc(tile);
if (!tile->mem.ggtt)
return -ENOMEM;
tile->mem.ggtt->tile = tile;
return 0;
}