[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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