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    Subject[PATCH 5.19 022/365] drm/amdgpu: change vram width algorithm for vram_info v3_0
    Date
    From: Likun Gao <Likun.Gao@amd.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@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
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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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