From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/ttm/ttm_memory.c | 31 +++++++++++++------------------
1 files changed, 13 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/gpu/drm/ttm/ttm_memory.c b/kernel/drivers/gpu/drm/ttm/ttm_memory.c
index df73d5f..89d50f3 100644
--- a/kernel/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/kernel/drivers/gpu/drm/ttm/ttm_memory.c
@@ -41,6 +41,9 @@
#define TTM_MEMORY_ALLOC_RETRIES 4
+struct ttm_mem_global ttm_mem_glob;
+EXPORT_SYMBOL(ttm_mem_glob);
+
struct ttm_mem_zone {
struct kobject kobj;
struct ttm_mem_global *glob;
@@ -78,7 +81,7 @@
struct ttm_mem_zone *zone =
container_of(kobj, struct ttm_mem_zone, kobj);
- pr_info("Zone %7s: Used memory at exit: %llu kiB\n",
+ pr_info("Zone %7s: Used memory at exit: %llu KiB\n",
zone->name, (unsigned long long)zone->used_mem >> 10);
kfree(zone);
}
@@ -256,7 +259,7 @@
return false;
}
-/**
+/*
* At this point we only support a single shrink callback.
* Extend this if needed, perhaps using a linked list of callbacks.
* Note that this function is reentrant:
@@ -272,7 +275,7 @@
while (ttm_zones_above_swap_target(glob, from_wq, extra)) {
spin_unlock(&glob->lock);
- ret = ttm_bo_swapout(glob->bo_glob, ctx);
+ ret = ttm_bo_swapout(&ttm_bo_glob, ctx);
spin_lock(&glob->lock);
if (unlikely(ret != 0))
break;
@@ -445,7 +448,7 @@
#endif
for (i = 0; i < glob->num_zones; ++i) {
zone = glob->zones[i];
- pr_info("Zone %7s: Available graphics memory: %llu kiB\n",
+ pr_info("Zone %7s: Available graphics memory: %llu KiB\n",
zone->name, (unsigned long long)zone->max_mem >> 10);
}
ttm_page_alloc_init(glob, glob->zone_kernel->max_mem/(2*PAGE_SIZE));
@@ -455,12 +458,11 @@
ttm_mem_global_release(glob);
return ret;
}
-EXPORT_SYMBOL(ttm_mem_global_init);
void ttm_mem_global_release(struct ttm_mem_global *glob)
{
- unsigned int i;
struct ttm_mem_zone *zone;
+ unsigned int i;
/* let the page allocator first stop the shrink work. */
ttm_page_alloc_fini();
@@ -473,11 +475,11 @@
zone = glob->zones[i];
kobject_del(&zone->kobj);
kobject_put(&zone->kobj);
- }
+ }
kobject_del(&glob->kobj);
kobject_put(&glob->kobj);
+ memset(glob, 0, sizeof(*glob));
}
-EXPORT_SYMBOL(ttm_mem_global_release);
static void ttm_check_swapping(struct ttm_mem_global *glob)
{
@@ -521,7 +523,7 @@
void ttm_mem_global_free(struct ttm_mem_global *glob,
uint64_t amount)
{
- return ttm_mem_global_free_zone(glob, NULL, amount);
+ return ttm_mem_global_free_zone(glob, glob->zone_kernel, amount);
}
EXPORT_SYMBOL(ttm_mem_global_free);
@@ -552,7 +554,6 @@
return false;
}
-EXPORT_SYMBOL(ttm_check_under_lowerlimit);
static int ttm_mem_global_reserve(struct ttm_mem_global *glob,
struct ttm_mem_zone *single_zone,
@@ -620,10 +621,10 @@
{
/**
* Normal allocations of kernel memory are registered in
- * all zones.
+ * the kernel zone.
*/
- return ttm_mem_global_alloc_zone(glob, NULL, memory, ctx);
+ return ttm_mem_global_alloc_zone(glob, glob->zone_kernel, memory, ctx);
}
EXPORT_SYMBOL(ttm_mem_global_alloc);
@@ -680,9 +681,3 @@
return 0;
}
EXPORT_SYMBOL(ttm_round_pot);
-
-uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob)
-{
- return glob->zone_kernel->max_mem;
-}
-EXPORT_SYMBOL(ttm_get_kernel_zone_memory_size);
--
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