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| author | saturneric <[email protected]> | 2025-01-12 15:50:28 +0000 |
|---|---|---|
| committer | saturneric <[email protected]> | 2025-01-12 15:50:28 +0000 |
| commit | b7c94eb866dd341a28367bdfabd7c2d1b14d688e (patch) | |
| tree | b6df897425af99dbfef5ad4d91a969f1e58fdae6 /drivers/dma-buf/heaps/system_heap.c | |
| parent | Merge tag 'hwmon-for-v6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| download | kernel-b7c94eb866dd341a28367bdfabd7c2d1b14d688e.tar.gz kernel-b7c94eb866dd341a28367bdfabd7c2d1b14d688e.zip | |
fix: drivers patch make raspberry pi 5 work properly
Diffstat (limited to 'drivers/dma-buf/heaps/system_heap.c')
| -rw-r--r-- | drivers/dma-buf/heaps/system_heap.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c index 26d5dc89ea16..7e9a0e3615c0 100644 --- a/drivers/dma-buf/heaps/system_heap.c +++ b/drivers/dma-buf/heaps/system_heap.c @@ -54,6 +54,11 @@ static gfp_t order_flags[] = {HIGH_ORDER_GFP, HIGH_ORDER_GFP, LOW_ORDER_GFP}; static const unsigned int orders[] = {8, 4, 0}; #define NUM_ORDERS ARRAY_SIZE(orders) +static unsigned int module_max_order = orders[0]; + +module_param_named(max_order, module_max_order, uint, 0400); +MODULE_PARM_DESC(max_order, "Maximum allocation order override."); + static struct sg_table *dup_sg_table(struct sg_table *table) { struct sg_table *new_table; @@ -339,7 +344,7 @@ static struct dma_buf *system_heap_allocate(struct dma_heap *heap, struct system_heap_buffer *buffer; DEFINE_DMA_BUF_EXPORT_INFO(exp_info); unsigned long size_remaining = len; - unsigned int max_order = orders[0]; + unsigned int max_order = module_max_order; struct dma_buf *dmabuf; struct sg_table *table; struct scatterlist *sg; @@ -433,6 +438,9 @@ static int __init system_heap_create(void) if (IS_ERR(sys_heap)) return PTR_ERR(sys_heap); + if (module_max_order > orders[0]) + module_max_order = orders[0]; + return 0; } module_init(system_heap_create); |