[PATCH/V3] drm/i915/gvt: make dpcd_fix_data supports DP1.2

Zhenyu Wang zhenyuw at linux.intel.com
Mon Mar 20 08:43:40 UTC 2017


On 2017.03.20 23:54:39 +0800, Pei Zhang wrote:
> GVT-g will emulate a fixed DPCD data to VM for DP/eDP panel. Update
> this data to latest DP1.2 with the maximum lane bandwidth of 5.4G/s
> to support 4K resolution in VM.
> 
> V3: modify patch comment
> V2: add inline comment to describe the dpcd_fix_data.
> 
> Signed-off-by: Pei Zhang <pei.zhang at intel.com>
> Reviewd-by: Zhenyu Wang <zhenyuw at linux.intel.com>
> ---

applied, still don't add reviewed-by not from you.

thanks!

>  drivers/gpu/drm/i915/gvt/display.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
> index 5419ae6..c60c370 100644
> --- a/drivers/gpu/drm/i915/gvt/display.c
> +++ b/drivers/gpu/drm/i915/gvt/display.c
> @@ -161,8 +161,9 @@ static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = {
>  
>  #define DPCD_HEADER_SIZE        0xb
>  
> +/* let the virtual display supports DP1.2 */
>  static u8 dpcd_fix_data[DPCD_HEADER_SIZE] = {
> -	0x11, 0x0a, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
> +	0x12, 0x014, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
>  };
>  
>  static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
> -- 
> 2.7.4
> 
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-- 
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