Re: [PATCH] drm/amd/display: Avoid sending abnormal VSIF

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On 2019-10-17 5:11 a.m., Wayne Lin wrote:
> [Why]
> While setting hdmi_vic, hv_frame.vic is not initialized and might
> assign a wrong value to hdmi_vic. Cause to send out VSIF with
> abnormal value.
> 
> [How]
> Initialize hv_frame and avi_frame
> 
> Signed-off-by: Wayne Lin <Wayne.Lin@xxxxxxx>

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>

Thanks!

> ---
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 10cce584719f..33a455c90e27 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -3472,6 +3472,9 @@ static void fill_stream_properties_from_drm_display_mode(
>   	struct hdmi_vendor_infoframe hv_frame;
>   	struct hdmi_avi_infoframe avi_frame;
>   
> +	memset(&hv_frame, 0, sizeof(hv_frame));
> +	memset(&avi_frame, 0, sizeof(avi_frame));
> +
>   	timing_out->h_border_left = 0;
>   	timing_out->h_border_right = 0;
>   	timing_out->v_border_top = 0;
> 

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