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From fe3c1bb733cbb7cfe9f655a892da211e4dd580e5 Mon Sep 17 00:00:00 2001
From: Pavan Kumar Ramayanam <pavan.ramayanam@amd.com>
Date: Wed, 13 Jun 2018 15:32:01 +0530
Subject: [PATCH 3458/4131] Fix for amdgpu initialization failure/hang in V1000
Signed-off-by: Pavan Kumar Ramayanam <pavan.ramayanam@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 7ac07a3..c68097f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -564,6 +564,7 @@ static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
#endif
drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
kfree(ap);
+ msleep(200);
return 0;
}
@@ -926,11 +927,14 @@ static int __init amdgpu_init(void)
DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
return -EINVAL;
}
+
DRM_INFO("amdgpu kernel modesetting enabled.\n");
driver = &kms_driver;
pdriver = &amdgpu_kms_pci_driver;
driver->num_ioctls = amdgpu_max_kms_ioctl;
+ msleep(2000);
amdgpu_register_atpx_handler();
+ msleep(100);
/* let modprobe override vga console setting */
return pci_register_driver(pdriver);
--
2.7.4
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