[12/14] drm/amdgpu: set trusted mode while the job is under secure context (v2)

Submitted by Huang, Ray on Sept. 11, 2019, 11:50 a.m.

Details

Message ID 1568202584-14471-13-git-send-email-ray.huang@amd.com
State New
Headers show
Series "drm/amdgpu: introduce secure buffer object support (trusted memory zone)" ( rev: 1 ) in AMD X.Org drivers

Not browsing as part of any series.

Commit Message

Huang, Ray Sept. 11, 2019, 11:50 a.m.
While user mode submit a command with secure context, we should set the command
buffer with trusted mode.

v2: fix the null job pointer while in vmid 0 submission.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c  | 4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

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diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 51f3db0..60e7b79 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1252,6 +1252,7 @@  static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 		p->ctx->preamble_presented = true;
 	}
 
+	job->secure = p->ctx->is_secure;
 	cs->out.handle = seq;
 	job->uf_sequence = seq;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index e1dc229..cb9b650 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -210,7 +210,7 @@  int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	if (job && ring->funcs->emit_cntxcntl) {
 		status |= job->preamble_status;
 		status |= job->preemption_status;
-		amdgpu_ring_emit_cntxcntl(ring, status, false);
+		amdgpu_ring_emit_cntxcntl(ring, status, job->secure);
 	}
 
 	for (i = 0; i < num_ibs; ++i) {
@@ -229,7 +229,7 @@  int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	}
 
 	if (ring->funcs->emit_tmz)
-		amdgpu_ring_emit_tmz(ring, false, false);
+		amdgpu_ring_emit_tmz(ring, false, job ? job->secure : false);
 
 #ifdef CONFIG_X86_64
 	if (!(adev->flags & AMD_IS_APU))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
index dc7ee93..59f1dbc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
@@ -63,6 +63,8 @@  struct amdgpu_job {
 	uint64_t		uf_addr;
 	uint64_t		uf_sequence;
 
+	/* the job is under secure context */
+	bool			secure;
 };
 
 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,