diff options
| author | seshendra Gadagottu <sgadagottu@nvidia.com> | 2017-11-14 17:57:25 -0500 |
|---|---|---|
| committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-11-15 14:05:51 -0500 |
| commit | 77a90d0b8d2eb1bbb207ae5f46b357f2d7cd07ab (patch) | |
| tree | 1a626e2f832bdeee587236005b14e48fcda3705d /include/uapi/linux | |
| parent | af5e4a1bf63037e7618adfa11a950244df5883f2 (diff) | |
gpu: nvgpu: gv11b: modify dma alloc flags
Call nvgpu_dma_alloc_flags_sys without
NVGPU_DMA_NO_KERNEL_MAPPING flags, since
it makes CMA memory handling simple in t194
and fixes error during subcontext header free:
[ 340.378910] trying to free invalid coherent area: ffffffc0135ba000^M
[ 340.378921] ------------[ cut here ]------------^M
[ 340.378933] WARNING: CPU: 0 PID: 1618 at /code/volta/kernel/kernel-4.9/arch/arm64/mm/dma-mapping.c:1442 __arm_dma_free.isra.4+0x160/0x168^M
[ 340.378950] Modules linked in: nvgpu^M
[ 340.378958] ^M
[ 340.378966] CPU: 0 PID: 1618 Comm: nvogtest Tainted: G W 4.9.52-tegra-g170e0c4 #20^M
[ 340.378979] Hardware name: t194pre_si (DT)^M
[ 340.378988] task: ffffffc018930d80 task.stack: ffffffc017e08000^M
[ 340.378999] PC is at __arm_dma_free.isra.4+0x160/0x168^M
[ 340.379009] LR is at __arm_dma_free.isra.4+0x160/0x168^M
[ 340.379020] pc : [<ffffff800809cfd0>] lr : [<ffffff800809cfd0>] pstate: 60400045^M
[ 340.379032] sp : ffffffc017e0bbe0^M
[ 340.379039] x29: ffffffc017e0bbe0 x28: 00000000935ba000 ^M
[ 340.379051] x27: 0000000000001000 x26: ffffffc0135b9580 ^M
[ 340.379063] x25: ffffff8009ced1b0 x24: 0000000000000010 ^M
[ 340.379075] x23: ffffffc070746010 x22: 0000000080000000 ^M
[ 340.379088] x21: ffffffbf004d6e80 x20: ffffffc0135ba000 ^M
[ 340.379100] x19: 0000000000001000 x18: ffffffffffffffff ^M
[ 340.379112] x17: 0000007fa4d8fc60 x16: ffffff800823e370 ^M
[ 340.379124] x15: ffffff8009cd8690 x14: ffffff8089fb34bf ^M
[ 340.379135] x13: ffffff8009fb34cd x12: 0000000000000007 ^M
[ 340.379147] x11: 0000000000000325 x10: 0000000005f5e0ff ^M
[ 340.379159] x9 : 0000000000000326 x8 : 3331306366666666 ^M
[ 340.379172] x7 : 6666203a61657261 x6 : ffffff8009fb3505 ^M
[ 340.379184] x5 : 0000000000000012 x4 : 0000000000000000 ^M
[ 340.379196] x3 : 0000000000010000 x2 : 0000000000040934 ^M
[ 340.379207] x1 : 0000000000000000 x0 : 0000000000000036 ^M
[ 340.379219] ^M
[ 340.379224] ---[ end trace 9e7ab41f55eb32d2 ]---^M
[ 340.379232] Call trace:^M
[ 340.379241] [<ffffff800809cfd0>] __arm_dma_free.isra.4+0x160/0x168^M
[ 340.379254] [<ffffff800809e3a0>] arm_dma_free+0x48/0x60^M
[ 340.379827] [<ffffff8000f01250>] nvgpu_dma_free+0x260/0x410 [nvgpu]^M
[ 340.380403] [<ffffff8000fb2fac>] gv11b_free_subctx_header+0x5c/0x80 [nvgpu]^M
[ 340.380980] [<ffffff8000f3ed2c>] gk20a_free_channel_ctx+0x3c/0x150 [nvgpu]^M
After changing dma alloc flags to none, this issue got fixed.
Bug 1930032
Change-Id: I002236373c6a3ae5d7ec80a35f166429821662b7
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1598193
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'include/uapi/linux')
0 files changed, 0 insertions, 0 deletions