From: Harry Wentland <harry.wentland@amd.com>
Date: Fri, 23 Mar 2018 17:39:27 +0000 (-0400)
Subject: drm/amd/display: Implement dm_get_timestamp
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=4c61af8afe855fcf65a09d47c8e330bb1fd1fb4a;p=openwrt%2Fstaging%2Fblogic.git

drm/amd/display: Implement dm_get_timestamp

We use this to ensure we wait at least 500ms in between eDP
disable/enable.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
index 89342b48be6b..fe29125215b5 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
@@ -37,8 +37,10 @@
 
 unsigned long long dm_get_timestamp(struct dc_context *ctx)
 {
-	/* TODO: return actual timestamp */
-	return 0;
+	struct timespec64 time;
+
+	getrawmonotonic64(&time);
+	return timespec64_to_ns(&time);
 }
 
 void dm_perf_trace_timestamp(const char *func_name, unsigned int line)