summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 720139e182a3..f313eee60c4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -86,7 +86,7 @@ done_free:
int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
{
struct amdgpu_device *adev;
- int r, acpi_status;
+ int r, acpi_status, retry = 0;
#ifdef CONFIG_DRM_AMDGPU_SI
if (!amdgpu_si_support) {
@@ -122,6 +122,7 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
}
}
#endif
+retry_init:
adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
if (adev == NULL) {
@@ -144,7 +145,17 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
* VRAM allocation
*/
r = amdgpu_device_init(adev, dev, dev->pdev, flags);
- if (r) {
+ if (r == -EAGAIN && ++retry <= 3) {
+ adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
+ adev->virt.ops = NULL;
+ amdgpu_device_fini(adev);
+ kfree(adev);
+ dev->dev_private = NULL;
+ /* Don't request EX mode too frequently which is attacking */
+ msleep(5000);
+ dev_err(&dev->pdev->dev, "retry init %d\n", retry);
+ goto retry_init;
+ } else if (r) {
dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
goto out;
}