Keep track of a ring's HW IP block so we can identify it later.
Signed-off-by: Andres Rodriguez <andre...@gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 5 +++--
drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 ++++----
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 2 +-
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/si_dma.c | 2 +-
drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 3 ++-
include/uapi/drm/amdgpu_drm.h | 3 ++-
15 files changed, 28 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 7c842b7..4ff762c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -157,21 +157,21 @@ void amdgpu_ring_undo(struct amdgpu_ring *ring)
*
* @adev: amdgpu_device pointer
* @ring: amdgpu_ring structure holding ring information
* @max_ndw: maximum number of dw for ring alloc
* @nop: nop packet for this ring
*
* Initialize the driver information for the selected ring (all asics).
* Returns 0 on success, error on failure.
*/
int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
- unsigned max_dw, struct amdgpu_irq_src *irq_src,
+ int hw_ip, unsigned max_dw, struct amdgpu_irq_src *irq_src,
unsigned irq_type)
{
int r;
if (ring->adev == NULL) {
if (adev->num_rings >= AMDGPU_MAX_RINGS)
return -EINVAL;
ring->adev = adev;
ring->idx = adev->num_rings++;
@@ -227,20 +227,21 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct
amdgpu_ring *ring,
&ring->gpu_addr,
(void **)&ring->ring);
if (r) {
dev_err(adev->dev, "(%d) ring create failed\n", r);
return r;
}
memset((void *)ring->ring, 0, ring->ring_size);
}
ring->ptr_mask = (ring->ring_size / 4) - 1;
ring->max_dw = max_dw;
+ ring->hw_ip = hw_ip;
if (amdgpu_debugfs_ring_init(adev, ring)) {
DRM_ERROR("Failed to register debugfs file for rings !\n");
}
return 0;
}
/**
* amdgpu_ring_fini - tear down the driver ring struct.
*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 2345b398..3ff021f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -150,20 +150,21 @@ struct amdgpu_ring {
unsigned rptr_offs;
unsigned wptr;
unsigned wptr_old;
unsigned ring_size;
unsigned max_dw;
int count_dw;
uint64_t gpu_addr;
uint32_t ptr_mask;
bool ready;
u32 idx;
+ u32 hw_ip;
u32 me;
u32 pipe;
u32 queue;
struct amdgpu_bo *mqd_obj;
u32 doorbell_index;
bool use_doorbell;
unsigned wptr_offs;
unsigned fence_offs;
uint64_t current_ctx;
char name[16];
@@ -174,15 +175,15 @@ struct amdgpu_ring {
struct dentry *ent;
#endif
};
int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib
*ib);
void amdgpu_ring_commit(struct amdgpu_ring *ring);
void amdgpu_ring_undo(struct amdgpu_ring *ring);
int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
- unsigned ring_size, struct amdgpu_irq_src *irq_src,
- unsigned irq_type);
+ int hw_ip, unsigned ring_size,
+ struct amdgpu_irq_src *irq_src, unsigned irq_type);
void amdgpu_ring_fini(struct amdgpu_ring *ring);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 810bba5..64b6cb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -935,21 +935,21 @@ static int cik_sdma_sw_init(void *handle)
/* SDMA Privileged inst */
r = amdgpu_irq_add_id(adev, 247, &adev->sdma.illegal_inst_irq);
if (r)
return r;
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
ring->ring_obj = NULL;
sprintf(ring->name, "sdma%d", i);
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_DMA, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_TRAP0 :
AMDGPU_SDMA_IRQ_TRAP1);
if (r)
return r;
}
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 2086e7e..09ed842 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -3261,21 +3261,21 @@ static int gfx_v6_0_sw_init(void *handle)
r = gfx_v6_0_rlc_init(adev);
if (r) {
DRM_ERROR("Failed to init rlc BOs!\n");
return r;
}
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
ring->ring_obj = NULL;
sprintf(ring->name, "gfx");
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_GFX, 1024,
&adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
if (r)
return r;
}
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
unsigned irq_type;
if ((i >= 32) || (i >= AMDGPU_MAX_COMPUTE_RINGS)) {
DRM_ERROR("Too many (%d) compute rings!\n", i);
@@ -3283,21 +3283,21 @@ static int gfx_v6_0_sw_init(void *handle)
}
ring = &adev->gfx.compute_ring[i];
ring->ring_obj = NULL;
ring->use_doorbell = false;
ring->doorbell_index = 0;
ring->me = 1;
ring->pipe = i;
ring->queue = i;
sprintf(ring->name, "comp %d.%d.%d", ring->me, ring->pipe,
ring->queue);
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_COMPUTE, 1024,
&adev->gfx.eop_irq, irq_type);
if (r)
return r;
}
return r;
}
static int gfx_v6_0_sw_fini(void *handle)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index b0b0c89..c76dcc8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4742,21 +4742,21 @@ static int gfx_v7_0_compute_ring_init(struct
amdgpu_device *adev, int ring_id,
ring->ring_obj = NULL;
ring->use_doorbell = true;
ring->doorbell_index = AMDGPU_DOORBELL_MEC_RING0 + ring_id;
sprintf(ring->name, "comp_%d.%d.%d", ring->me, ring->pipe, ring->queue);
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
/* type-2 packets are deprecated on MEC, use type-3 instead */
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_COMPUTE, 1024,
&adev->gfx.eop_irq, irq_type);
if (r)
return r;
return 0;
}
static int gfx_v7_0_sw_init(void *handle)
{
@@ -4797,21 +4797,21 @@ static int gfx_v7_0_sw_init(void *handle)
r = gfx_v7_0_mec_init(adev);
if (r) {
DRM_ERROR("Failed to init MEC BOs!\n");
return r;
}
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
ring->ring_obj = NULL;
sprintf(ring->name, "gfx");
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_GFX, 1024,
&adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
if (r)
return r;
}
/* set up the compute queues - allocate horizontally across pipes */
ring_id = 0;
for (i = 0; i < adev->gfx.mec.num_pipe_per_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
for (k = 0; k < adev->gfx.mec.num_pipe_per_mec; k++) {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 5db5bac..a778d58 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1392,21 +1392,21 @@ static int gfx_v8_0_kiq_init_ring(struct amdgpu_device
*adev,
ring->me = 2;
ring->pipe = 0;
} else {
ring->me = 1;
ring->pipe = 1;
}
irq->data = ring;
ring->queue = 0;
sprintf(ring->name, "kiq %d.%d.%d", ring->me, ring->pipe, ring->queue);
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_KIQ, 1024,
irq, AMDGPU_CP_KIQ_IRQ_DRIVER0);
if (r)
dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
return r;
}
static void gfx_v8_0_kiq_free_ring(struct amdgpu_ring *ring,
struct amdgpu_irq_src *irq)
{
@@ -2139,21 +2139,21 @@ static int gfx_v8_0_compute_ring_init(struct
amdgpu_device *adev, int ring_id,
ring->ring_obj = NULL;
ring->use_doorbell = true;
ring->doorbell_index = AMDGPU_DOORBELL_MEC_RING0 + ring_id;
sprintf(ring->name, "comp_%d.%d.%d", ring->me, ring->pipe, ring->queue);
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
/* type-2 packets are deprecated on MEC, use type-3 instead */
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_COMPUTE, 1024,
&adev->gfx.eop_irq, irq_type);
if (r)
return r;
return 0;
}
static int gfx_v8_0_sw_init(void *handle)
{
@@ -2219,22 +2219,22 @@ static int gfx_v8_0_sw_init(void *handle)
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
ring->ring_obj = NULL;
sprintf(ring->name, "gfx");
/* no gfx doorbells on iceland */
if (adev->asic_type != CHIP_TOPAZ) {
ring->use_doorbell = true;
ring->doorbell_index = AMDGPU_DOORBELL_GFX_RING0;
}
- r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
- AMDGPU_CP_IRQ_GFX_EOP);
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_GFX, 1024,
+ &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
if (r)
return r;
}
/* set up the compute queues - allocate horizontally across pipes */
ring_id = 0;
for (i = 0; i < adev->gfx.mec.num_pipe_per_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
for (k = 0; k < adev->gfx.mec.num_pipe_per_mec; k++) {
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 896be64..62c3461 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -941,21 +941,21 @@ static int sdma_v2_4_sw_init(void *handle)
if (r) {
DRM_ERROR("Failed to load sdma firmware!\n");
return r;
}
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
ring->ring_obj = NULL;
ring->use_doorbell = false;
sprintf(ring->name, "sdma%d", i);
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_DMA, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_TRAP0 :
AMDGPU_SDMA_IRQ_TRAP1);
if (r)
return r;
}
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 31375bd..7467a1e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1159,21 +1159,21 @@ static int sdma_v3_0_sw_init(void *handle)
}
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
ring->ring_obj = NULL;
ring->use_doorbell = true;
ring->doorbell_index = (i == 0) ?
AMDGPU_DOORBELL_sDMA_ENGINE0 :
AMDGPU_DOORBELL_sDMA_ENGINE1;
sprintf(ring->name, "sdma%d", i);
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_DMA, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_TRAP0 :
AMDGPU_SDMA_IRQ_TRAP1);
if (r)
return r;
}
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c
b/drivers/gpu/drm/amd/amdgpu/si_dma.c
index 3372a07..64d22d2 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dma.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c
@@ -523,21 +523,21 @@ static int si_dma_sw_init(void *handle)
/* DMA1 trap event */
r = amdgpu_irq_add_id(adev, 244, &adev->sdma.trap_irq_1);
if (r)
return r;
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
ring->ring_obj = NULL;
ring->use_doorbell = false;
sprintf(ring->name, "sdma%d", i);
- r = amdgpu_ring_init(adev, ring, 1024,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_DMA, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_TRAP0 :
AMDGPU_SDMA_IRQ_TRAP1);
if (r)
return r;
}
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index b34cefc..9df30ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -114,21 +114,22 @@ static int uvd_v4_2_sw_init(void *handle)
r = amdgpu_uvd_sw_init(adev);
if (r)
return r;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_UVD, 512,
+ &adev->uvd.irq, 0);
return r;
}
static int uvd_v4_2_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index ad8c02e..9b4017f 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -110,21 +110,22 @@ static int uvd_v5_0_sw_init(void *handle)
r = amdgpu_uvd_sw_init(adev);
if (r)
return r;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_UVD, 512,
+ &adev->uvd.irq, 0);
return r;
}
static int uvd_v5_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 18a6de4..de9cce1 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -113,21 +113,22 @@ static int uvd_v6_0_sw_init(void *handle)
r = amdgpu_uvd_sw_init(adev);
if (r)
return r;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_UVD, 512,
+ &adev->uvd.irq, 0);
return r;
}
static int uvd_v6_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
index 9ea9934..38cd52b 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -438,21 +438,21 @@ static int vce_v2_0_sw_init(void *handle)
if (r)
return r;
r = amdgpu_vce_resume(adev);
if (r)
return r;
for (i = 0; i < adev->vce.num_rings; i++) {
ring = &adev->vce.ring[i];
sprintf(ring->name, "vce%d", i);
- r = amdgpu_ring_init(adev, ring, 512,
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_VCE, 512,
&adev->vce.irq, 0);
if (r)
return r;
}
return r;
}
static int vce_v2_0_sw_fini(void *handle)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 93ec881..09d04e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -396,21 +396,22 @@ static int vce_v3_0_sw_init(void *handle)
if (adev->vce.fw_version < FW_52_8_3)
adev->vce.num_rings = 2;
r = amdgpu_vce_resume(adev);
if (r)
return r;
for (i = 0; i < adev->vce.num_rings; i++) {
ring = &adev->vce.ring[i];
sprintf(ring->name, "vce%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
+ r = amdgpu_ring_init(adev, ring, AMDGPU_HW_IP_VCE, 512,
+ &adev->vce.irq, 0);
if (r)
return r;
}
return r;
}
static int vce_v3_0_sw_fini(void *handle)
{
int r;
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 5797283..b5ae774 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -376,21 +376,22 @@ struct drm_amdgpu_gem_va {
__u64 offset_in_bo;
/** Specify mapping size. Must be correctly aligned. */
__u64 map_size;
};
#define AMDGPU_HW_IP_GFX 0
#define AMDGPU_HW_IP_COMPUTE 1
#define AMDGPU_HW_IP_DMA 2
#define AMDGPU_HW_IP_UVD 3
#define AMDGPU_HW_IP_VCE 4
-#define AMDGPU_HW_IP_NUM 5
+#define AMDGPU_HW_IP_KIQ 5
+#define AMDGPU_HW_IP_NUM 6
#define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
#define AMDGPU_CHUNK_ID_IB 0x01
#define AMDGPU_CHUNK_ID_FENCE 0x02
#define AMDGPU_CHUNK_ID_DEPENDENCIES 0x03
struct drm_amdgpu_cs_chunk {
__u32 chunk_id;
__u32 length_dw;
--
2.7.4
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