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From 91a436caa256b12fedc807297edcf386f025ce27 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Fri, 23 Mar 2018 13:39:27 -0400
Subject: [PATCH 4001/4131] 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>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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 89342b4..fe29125 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)
--
2.7.4
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