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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c63
1 files changed, 29 insertions, 34 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 12c8329644c4..f41cc1538e48 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -434,7 +434,7 @@ int radeon_wb_init(struct radeon_device *rdev)
if (rdev->wb.wb_obj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
- RADEON_GEM_DOMAIN_GTT, 0, NULL,
+ RADEON_GEM_DOMAIN_GTT, 0, NULL, NULL,
&rdev->wb.wb_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);
@@ -1257,6 +1257,7 @@ int radeon_device_init(struct radeon_device *rdev,
for (i = 0; i < RADEON_NUM_RINGS; i++) {
rdev->ring[i].idx = i;
}
+ rdev->fence_context = fence_context_alloc(RADEON_NUM_RINGS);
DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n",
radeon_family_name[rdev->family], pdev->vendor, pdev->device,
@@ -1274,6 +1275,8 @@ int radeon_device_init(struct radeon_device *rdev,
init_rwsem(&rdev->pm.mclk_lock);
init_rwsem(&rdev->exclusive_lock);
init_waitqueue_head(&rdev->irq.vblank_queue);
+ mutex_init(&rdev->mn_lock);
+ hash_init(rdev->mn_hash);
r = radeon_gem_init(rdev);
if (r)
return r;
@@ -1399,10 +1402,6 @@ int radeon_device_init(struct radeon_device *rdev,
if (r)
goto failed;
- r = radeon_ib_ring_tests(rdev);
- if (r)
- DRM_ERROR("ib ring test failed (%d).\n", r);
-
r = radeon_gem_debugfs_init(rdev);
if (r) {
DRM_ERROR("registering gem debugfs failed (%d).\n", r);
@@ -1420,6 +1419,10 @@ int radeon_device_init(struct radeon_device *rdev,
goto failed;
}
+ r = radeon_ib_ring_tests(rdev);
+ if (r)
+ DRM_ERROR("ib ring test failed (%d).\n", r);
+
if ((radeon_testing & 1)) {
if (rdev->accel_working)
radeon_test_moves(rdev);
@@ -1497,7 +1500,6 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
struct drm_crtc *crtc;
struct drm_connector *connector;
int i, r;
- bool force_completion = false;
if (dev == NULL || dev->dev_private == NULL) {
return -ENODEV;
@@ -1541,12 +1543,9 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
r = radeon_fence_wait_empty(rdev, i);
if (r) {
/* delay GPU reset to resume */
- force_completion = true;
+ radeon_fence_driver_force_completion(rdev, i);
}
}
- if (force_completion) {
- radeon_fence_driver_force_completion(rdev);
- }
radeon_save_bios_scratch_regs(rdev);
@@ -1686,8 +1685,6 @@ int radeon_gpu_reset(struct radeon_device *rdev)
return 0;
}
- rdev->needs_reset = false;
-
radeon_save_bios_scratch_regs(rdev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
@@ -1704,7 +1701,6 @@ int radeon_gpu_reset(struct radeon_device *rdev)
}
}
-retry:
r = radeon_asic_reset(rdev);
if (!r) {
dev_info(rdev->dev, "GPU reset succeeded, trying to resume\n");
@@ -1713,26 +1709,12 @@ retry:
radeon_restore_bios_scratch_regs(rdev);
- if (!r) {
- for (i = 0; i < RADEON_NUM_RINGS; ++i) {
+ for (i = 0; i < RADEON_NUM_RINGS; ++i) {
+ if (!r && ring_data[i]) {
radeon_ring_restore(rdev, &rdev->ring[i],
ring_sizes[i], ring_data[i]);
- ring_sizes[i] = 0;
- ring_data[i] = NULL;
- }
-
- r = radeon_ib_ring_tests(rdev);
- if (r) {
- dev_err(rdev->dev, "ib ring test failed (%d).\n", r);
- if (saved) {
- saved = false;
- radeon_suspend(rdev);
- goto retry;
- }
- }
- } else {
- radeon_fence_driver_force_completion(rdev);
- for (i = 0; i < RADEON_NUM_RINGS; ++i) {
+ } else {
+ radeon_fence_driver_force_completion(rdev, i);
kfree(ring_data[i]);
}
}
@@ -1764,19 +1746,32 @@ retry:
/* reset hpd state */
radeon_hpd_init(rdev);
+ ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
+
+ rdev->in_reset = true;
+ rdev->needs_reset = false;
+
+ downgrade_write(&rdev->exclusive_lock);
+
drm_helper_resume_force_mode(rdev->ddev);
/* set the power state here in case we are a PX system or headless */
if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
radeon_pm_compute_clocks(rdev);
- ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
- if (r) {
+ if (!r) {
+ r = radeon_ib_ring_tests(rdev);
+ if (r && saved)
+ r = -EAGAIN;
+ } else {
/* bad news, how to tell it to userspace ? */
dev_info(rdev->dev, "GPU reset failed\n");
}
- up_write(&rdev->exclusive_lock);
+ rdev->needs_reset = r == -EAGAIN;
+ rdev->in_reset = false;
+
+ up_read(&rdev->exclusive_lock);
return r;
}