shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

soc: rockchip: rk_dmabuf_procfs fix segment error for dma debug

Browse Source 
[  951.963848][ T2104] ------------[ cut here ]------------
[  951.963901][ T2104] DMA-API: platform dmabuf: mapping sg segment longer than device claims to support [len=262144] [max=65536]
[  951.963936][ T2104] WARNING: CPU: 3 PID: 2104 at kernel/dma/debug.c:1174 debug_dma_map_sg+0x1d4/0x3f8
[  951.963944][ T2104] Modules linked in:
[  951.963966][ T2104] CPU: 3 PID: 2104 Comm: cat Not tainted 5.10.66 #264
[  951.963974][ T2104] Hardware name: Rockchip RK3588 EVB1 LP4 V10 Board (DT)
[  951.963987][ T2104] pstate: 60400009 (nZCv daif +PAN -UAO -TCO BTYPE=--)
[  951.963997][ T2104] pc : debug_dma_map_sg+0x1d4/0x3f8
[  951.964006][ T2104] lr : debug_dma_map_sg+0x1d4/0x3f8
[  951.964013][ T2104] sp : ffffffc0153bbab0
[  951.964023][ T2104] x29: ffffffc0153bbad0 x28: ffffff81013abd80
[  951.964035][ T2104] x27: 000000000000000e x26: 0000000000010000
[  951.964047][ T2104] x25: ffffffffffffffff x24: ffffff81420a2968
[  951.964058][ T2104] x23: ffffff814b13dc00 x22: ffffff8104515810
[  951.964069][ T2104] x21: ffffffc011d7f000 x20: 000000000000000e
[  951.964081][ T2104] x19: ffffffc011b99000 x18: ffffffc01a5e5080
[  951.964091][ T2104] x17: 0000000000000000 x16: 00000000000000d8
[  951.964102][ T2104] x15: 0000000000000004 x14: 0000000000003fff

Fixes: 61a59410bf ("soc: rockchip: Add a dmabuf procfs for rockchip")

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Change-Id: I9eec7b5a1ccefed5a4d7e485cbb2e263ce7da970
This commit is contained in:
Jianqun Xu
2022-04-15 14:29:42 +08:00
committed by Tao Huang
parent 8f245236c4
commit 61756ba5e9
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/soc/rockchip/rk_dmabuf_procfs.c
View File

@@ -132,6 +132,7 @@ static int __init rk_dmabuf_init(void)
};
pdev = platform_device_register_full(&dev_info);
dma_set_max_seg_size(&pdev->dev, (unsigned int)DMA_BIT_MASK(64));
dmabuf_dev = pdev ? &pdev->dev : NULL;
proc_create_single("rk_dmabuf", 0, NULL, rk_dmabuf_show);