From e2e02cbb5beb5f7bfdfd73558794e3949868267c Mon Sep 17 00:00:00 2001 From: Pei Zhang Date: Mon, 20 Mar 2017 23:54:39 +0800 Subject: [PATCH] drm/i915/gvt: make dpcd_fix_data supports DP1.2 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 Signed-off-by: Zhenyu Wang --- 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 79939f93464d..f21dd2328b73 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) -- 2.20.1