[vlc-devel] [PATCH] vaapi-drm: try the render node before the card node

[Mathieu Velten]

This patch make it work with Wayland on Fedora 25.
---
 modules/codec/avcodec/vaapi.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/modules/codec/avcodec/vaapi.c b/modules/codec/avcodec/vaapi.c
index 8671139..03faf20 100644
--- a/modules/codec/avcodec/vaapi.c
+++ b/modules/codec/avcodec/vaapi.c
@@ -356,14 +356,24 @@ static int Create( vlc_va_t *va, AVCodecContext *ctx, enum PixelFormat pix_fmt,
     sys->hw_ctx.display = vaGetDisplay(sys->p_display_x11);
 #endif
 #ifdef VLC_VA_BACKEND_DRM
-    sys->drm_fd = vlc_open("/dev/dri/card0", O_RDWR);
-    if( sys->drm_fd == -1 )
-    {
-        msg_Err( va, "Could not access rendering device: %m" );
-        goto error;
-    }
+    static const char *drm_device_paths[] = {
+        "/dev/dri/renderD128",
+        "/dev/dri/card0",
+        NULL
+    };
+
+    for (int i = 0; drm_device_paths[i]; i++) {
+        sys->drm_fd = vlc_open(drm_device_paths[i], O_RDWR);
+        if (sys->drm_fd < 0)
+            continue;
 
-    sys->hw_ctx.display = vaGetDisplayDRM(sys->drm_fd);
+        sys->hw_ctx.display = vaGetDisplayDRM(sys->drm_fd);
+        if (sys->hw_ctx.display)
+            break;
+
+        vlc_close(sys->drm_fd);
+        sys->drm_fd = -1;
+    }
 #endif
     if (sys->hw_ctx.display == NULL)
     {
-- 
2.9.3