From: Jack Xiao <Jack.Xiao@amd.com>
Date: Wed, 24 Apr 2019 02:55:20 +0000 (+0800)
Subject: drm/amdgpu/sdma5: incorrect variable type for gpu address
X-Git-Tag: v5.3-rc1~81^2~10^2~275
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=37809f55292e119accbd379f806cc8201b30209d;p=linux.git

drm/amdgpu/sdma5: incorrect variable type for gpu address

Incorrect programming with 64bit gpu address assignment for
32bit variable.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index 32b48c9ca051..3747c3f1f0cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -565,7 +565,8 @@ static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
 	u32 doorbell;
 	u32 doorbell_offset;
 	u32 temp;
-	u32 wptr_gpu_addr, wptr_poll_cntl;
+	u32 wptr_poll_cntl;
+	u64 wptr_gpu_addr;
 	int i, r;
 
 	for (i = 0; i < adev->sdma.num_instances; i++) {