pls ignore this one, will send another new one. On 2017å¹´04æ??27æ?¥ 15:20, Chunming Zhou wrote: > the case could happen when gpu reset: > 1. when gpu reset, cs can be continue until sw queue is full, then push job will wait with holding pd reservation. > 2. gpu_reset routine will also need pd reservation to restore page table from their shadow. > 3. cs is waiting for gpu_reset complete, but gpu reset is waiting for cs releases reservation. > > Change-Id: I0f66d04b2bef3433035109623c8a5c5992c84202 > Signed-off-by: Chunming Zhou <David1.Zhou at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c > index 9edb1a4..8c6d036 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c > @@ -1076,7 +1076,6 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, > amdgpu_job_free_resources(job); > > trace_amdgpu_cs_ioctl(job); > - amd_sched_entity_push_job(&job->base); > > return 0; > } > @@ -1132,6 +1131,8 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) > > out: > amdgpu_cs_parser_fini(&parser, r, reserved_buffers); > + if (!r) > + amd_sched_entity_push_job(&parser.job->base); > return r; > } >
