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authorShirish S <shirish.s@amd.com>2018-04-16 12:17:57 +0530
committerAlex Deucher <alexander.deucher@amd.com>2018-05-15 13:43:21 -0500
commit2c773de2ecb8c327f2448bd1eecad224e9227087 (patch)
tree3ce57e7cf61d6c61e6716358d7b9fcf7f9bafd0a /drivers
parent5c3517d0c2ead443f378173c698f3bd09cb89d72 (diff)
drm/amdgpu: defer test IBs on the rings at boot (V3)
amdgpu_ib_ring_tests() runs test IB's on rings at boot contributes to ~500 ms of amdgpu driver's boot time. This patch defers it and ensures that its executed in amdgpu_info_ioctl() if it wasn't scheduled. V2: Use queue_delayed_work() & flush_delayed_work(). V3: removed usage of separate wq, ensure ib tests is run before enabling clockgating. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c17
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c3
2 files changed, 9 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 62d6505ade84..d7f2bbdfd348 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1656,6 +1656,10 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev)
if (amdgpu_emu_mode == 1)
return 0;
+ r = amdgpu_ib_ring_tests(adev);
+ if (r)
+ DRM_ERROR("ib ring test failed (%d).\n", r);
+
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
continue;
@@ -1706,8 +1710,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
}
}
- mod_delayed_work(system_wq, &adev->late_init_work,
- msecs_to_jiffies(AMDGPU_RESUME_MS));
+ queue_delayed_work(system_wq, &adev->late_init_work,
+ msecs_to_jiffies(AMDGPU_RESUME_MS));
amdgpu_device_fill_reset_magic(adev);
@@ -2374,10 +2378,6 @@ fence_driver_init:
goto failed;
}
- r = amdgpu_ib_ring_tests(adev);
- if (r)
- DRM_ERROR("ib ring test failed (%d).\n", r);
-
if (amdgpu_sriov_vf(adev))
amdgpu_virt_init_data_exchange(adev);
@@ -2639,11 +2639,6 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
}
amdgpu_fence_driver_resume(adev);
- if (resume) {
- r = amdgpu_ib_ring_tests(adev);
- if (r)
- DRM_ERROR("ib ring test failed (%d).\n", r);
- }
r = amdgpu_device_ip_late_init(adev);
if (r)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index efff211d7d90..4e15b6fe2839 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -279,6 +279,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
if (!info->return_size || !info->return_pointer)
return -EINVAL;
+ /* Ensure IB tests are run on ring */
+ flush_delayed_work(&adev->late_init_work);
+
switch (info->query) {
case AMDGPU_INFO_ACCEL_WORKING:
ui32 = adev->accel_working;