X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Famd%2Famdgpu%2Famdgpu_atpx_handler.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Famd%2Famdgpu%2Famdgpu_atpx_handler.c;h=29adbbe225c4ac0599d6ed6643306e43fa9e7038;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=5a8fbadbd27b4ca0ed663f4ad9cad804b9aae87f;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 5a8fbadbd..29adbbe22 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -10,6 +10,7 @@
 #include <linux/slab.h>
 #include <linux/acpi.h>
 #include <linux/pci.h>
+#include <linux/delay.h>
 
 #include "amdgpu_acpi.h"
 
@@ -256,6 +257,10 @@ static int amdgpu_atpx_set_discrete_state(struct amdgpu_atpx *atpx, u8 state)
 		if (!info)
 			return -EIO;
 		kfree(info);
+
+		/* 200ms delay is required after off */
+		if (state == 0)
+			msleep(200);
 	}
 	return 0;
 }