From 0fe3e9ca5e8e42761424b37d67b46e12514f240f Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Sat, 24 Sep 2016 14:59:31 +0200
Subject: vo_drm: provide display fps

---
 video/out/opengl/context_drm_egl.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'video/out/opengl/context_drm_egl.c')

diff --git a/video/out/opengl/context_drm_egl.c b/video/out/opengl/context_drm_egl.c
index f3c0c660be..07624ccaf3 100644
--- a/video/out/opengl/context_drm_egl.c
+++ b/video/out/opengl/context_drm_egl.c
@@ -359,6 +359,20 @@ static int drm_egl_reconfig(struct MPGLContext *ctx)
 static int drm_egl_control(struct MPGLContext *ctx, int *events, int request,
                            void *arg)
 {
+    struct priv *p = ctx->priv;
+    switch (request) {
+    case VOCTRL_GET_DISPLAY_FPS: {
+        double fps =
+            p->kms->mode.clock
+            * 1000.0
+            / p->kms->mode.htotal
+            / p->kms->mode.vtotal;
+        if (fps <= 0)
+            break;
+        *(double*)arg = fps;
+        return VO_TRUE;
+    }
+    }
     return VO_NOTIMPL;
 }
 
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