From: Likun Gao <Likun.Gao@amd.com>
Date: Wed, 3 Aug 2022 04:16:35 +0000 (+0800)
Subject: drm/amdgpu: change vram width algorithm for vram_info v3_0
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4a0a2cf4c03ba49a4c2596c49c7daa719917d509;p=linux.git

drm/amdgpu: change vram width algorithm for vram_info v3_0

Update the vram width algorithm for vram_info v3_0 to align with the
changes of latest IFWI.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.19.x
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index fd8f3731758ed..b81b77a9efa61 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -314,7 +314,7 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 					mem_channel_number = vram_info->v30.channel_num;
 					mem_channel_width = vram_info->v30.channel_width;
 					if (vram_width)
-						*vram_width = mem_channel_number * mem_channel_width;
+						*vram_width = mem_channel_number * (1 << mem_channel_width);
 					break;
 				default:
 					return -EINVAL;