diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index c2f414ffb2cc..31383e004947 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -216,7 +216,7 @@ module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444); MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))"); module_param_named(dc, amdgpu_dc, int, 0444); -MODULE_PARM_DESC(dc, "Display Core Log Level (0 = minimal (default), 1 = chatty"); +MODULE_PARM_DESC(dc_log, "Display Core Log Level (0 = minimal (default), 1 = chatty"); module_param_named(dc_log, amdgpu_dc_log, int, 0444); MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)"); @@ -306,7 +306,6 @@ MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled) module_param_named(cik_support, amdgpu_cik_support, int, 0444); #endif - static const struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_SI {0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI}, @@ -566,12 +565,13 @@ static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev) return 0; } + static int amdgpu_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct drm_device *dev; unsigned long flags = ent->driver_data; - int ret; + int ret, retry = 0; if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) { DRM_INFO("This hardware requires experimental hardware support.\n" @@ -604,8 +604,14 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); +retry_init: ret = drm_dev_register(dev, ent->driver_data); - if (ret) + if (ret == -EAGAIN && ++retry <= 3) { + DRM_INFO("retry init %d\n", retry); + /* Don't request EX mode too frequently which is attacking */ + msleep(5000); + goto retry_init; + } else if (ret) goto err_pci; return 0; |