sw part only invoked once during sw_init.
hw part invoked during first drv load and resume later.
that way we cannot alloc mqd in hw/resume, we only keep
mqd allocted in sw_init routine.
and hw_init routine only kmap and set it.
Change-Id: Ib0b788c71154e79819e8abb8daee9b9234a8eabb
Signed-off-by: Monk Liu <monk....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 107 +++++++++++++---------------------
1 file changed, 42 insertions(+), 65 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 4029d32..6734e55 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -2116,17 +2116,6 @@ static int gfx_v8_0_sw_init(void *handle)
return r;
}
- r = gfx_v8_0_kiq_init(adev);
- if (r) {
- DRM_ERROR("Failed to init KIQ BOs!\n");
- return r;
- }
-
- kiq = &adev->gfx.kiq;
- r = gfx_v8_0_kiq_init_ring(adev, &kiq->ring, &kiq->irq);
- if (r)
- return r;
-
/* set up the gfx ring */
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
@@ -2169,6 +2158,24 @@ static int gfx_v8_0_sw_init(void *handle)
return r;
}
+ if (amdgpu_sriov_vf(adev)) {
+ r = gfx_v8_0_kiq_init(adev);
+ if (r) {
+ DRM_ERROR("Failed to init KIQ BOs!\n");
+ return r;
+ }
+
+ kiq = &adev->gfx.kiq;
+ r = gfx_v8_0_kiq_init_ring(adev, &kiq->ring, &kiq->irq);
+ if (r)
+ return r;
+
+ /* create MQD for all compute queues as wel as KIQ for SRIOV
case */
+ r = gfx_v8_0_compute_mqd_soft_init(adev);
+ if (r)
+ return r;
+ }
+
/* reserve GDS, GWS and OA resource for gfx */
r = amdgpu_bo_create_kernel(adev, adev->gds.mem.gfx_partition_size,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_GDS,
@@ -2210,9 +2217,13 @@ static int gfx_v8_0_sw_fini(void *handle)
amdgpu_ring_fini(&adev->gfx.gfx_ring[i]);
for (i = 0; i < adev->gfx.num_compute_rings; i++)
amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
- gfx_v8_0_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
- gfx_v8_0_kiq_fini(adev);
+ if (amdgpu_sriov_vf(adev)) {
+ gfx_v8_0_compute_mqd_soft_fini(adev);
+ gfx_v8_0_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
+ gfx_v8_0_kiq_fini(adev);
+ }
+
gfx_v8_0_mec_fini(adev);
gfx_v8_0_rlc_fini(adev);
gfx_v8_0_free_microcode(adev);
@@ -4892,70 +4903,37 @@ static int gfx_v8_0_kiq_init_queue(struct amdgpu_ring
*ring,
return 0;
}
-static void gfx_v8_0_kiq_free_queue(struct amdgpu_device *adev)
+static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = NULL;
- int i;
+ int r = 0, i;
- for (i = 0; i < adev->gfx.num_compute_rings; i++) {
- ring = &adev->gfx.compute_ring[i];
- amdgpu_bo_free_kernel(&ring->mqd_obj, NULL, NULL);
- ring->mqd_obj = NULL;
- }
+ gfx_v8_0_cp_compute_enable(adev, true);
ring = &adev->gfx.kiq.ring;
- amdgpu_bo_free_kernel(&ring->mqd_obj, NULL, NULL);
- ring->mqd_obj = NULL;
-}
-
-static int gfx_v8_0_kiq_setup_queue(struct amdgpu_device *adev,
- struct amdgpu_ring *ring)
-{
- struct vi_mqd *mqd;
- u64 mqd_gpu_addr;
- u32 *buf;
- int r = 0;
-
- r = amdgpu_bo_create_kernel(adev, sizeof(struct vi_mqd), PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
- &mqd_gpu_addr, (void **)&buf);
- if (r) {
- dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
+ if (!amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr)) {
+ memset((void *)ring->mqd_ptr, 0, sizeof(struct vi_mqd));
+ r = gfx_v8_0_kiq_init_queue(ring, ring->mqd_ptr,
ring->mqd_gpu_addr);
+ amdgpu_bo_kunmap(ring->mqd_obj);
+ if (r)
+ return r;
+ } else {
return r;
}
- /* init the mqd struct */
- memset(buf, 0, sizeof(struct vi_mqd));
- mqd = (struct vi_mqd *)buf;
-
- r = gfx_v8_0_kiq_init_queue(ring, mqd, mqd_gpu_addr);
- if (r)
- return r;
-
- amdgpu_bo_kunmap(ring->mqd_obj);
-
- return 0;
-}
-
-static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
-{
- struct amdgpu_ring *ring = NULL;
- int r, i;
-
- ring = &adev->gfx.kiq.ring;
- r = gfx_v8_0_kiq_setup_queue(adev, ring);
- if (r)
- return r;
-
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i];
- r = gfx_v8_0_kiq_setup_queue(adev, ring);
- if (r)
+ if (!amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr)) {
+ memset((void *)ring->mqd_ptr, 0, sizeof(struct vi_mqd));
+ r = gfx_v8_0_kiq_init_queue(ring, ring->mqd_ptr,
ring->mqd_gpu_addr);
+ amdgpu_bo_kunmap(ring->mqd_obj);
+ if (r)
+ return r;
+ } else {
return r;
+ }
}
- gfx_v8_0_cp_compute_enable(adev, true);
-
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i];
@@ -5316,7 +5294,6 @@ static int gfx_v8_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
if (amdgpu_sriov_vf(adev)) {
- gfx_v8_0_kiq_free_queue(adev);
pr_debug("For SRIOV client, shouldn't do anything.\n");
return 0;
}
--
2.7.4
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