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Date: Tue, 23 Aug 2022 09:58:43 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Likun Gao <Likun.Gao@....com>,
Hawking Zhang <Hawking.Zhang@....com>,
Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.19 022/365] drm/amdgpu: change vram width algorithm for vram_info v3_0
From: Likun Gao <Likun.Gao@....com>
commit 4a0a2cf4c03ba49a4c2596c49c7daa719917d509 upstream.
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@....com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org # 5.19.x
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index fd8f3731758e..b81b77a9efa6 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;
--
2.37.2
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