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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
--- xf86drm.h.orig 2017-04-07 08:49:13 UTC
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+++ xf86drm.h
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@@ -78,17 +78,27 @@ extern "C" {
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#ifdef __OpenBSD__
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#define DRM_DIR_NAME "/dev"
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-#define DRM_DEV_NAME "%s/drm%d"
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-#define DRM_CONTROL_DEV_NAME "%s/drmC%d"
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-#define DRM_RENDER_DEV_NAME "%s/drmR%d"
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+#define DRM_PRIMARY_MINOR_NAME "drm"
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+#define DRM_CONTROL_MINOR_NAME "drmC"
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+#define DRM_RENDER_MINOR_NAME "drmR"
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#else
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#define DRM_DIR_NAME "/dev/dri"
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-#define DRM_DEV_NAME "%s/card%d"
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-#define DRM_CONTROL_DEV_NAME "%s/controlD%d"
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-#define DRM_RENDER_DEV_NAME "%s/renderD%d"
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-#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */
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+#define DRM_PRIMARY_MINOR_NAME "card"
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+#define DRM_CONTROL_MINOR_NAME "controlD"
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+#define DRM_RENDER_MINOR_NAME "renderD"
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#endif
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+#define DRM_DEV_NAME "%s/" DRM_PRIMARY_MINOR_NAME "%d"
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+#define DRM_CONTROL_DEV_NAME "%s/" DRM_CONTROL_MINOR_NAME "%d"
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+#define DRM_RENDER_DEV_NAME "%s/" DRM_RENDER_MINOR_NAME "%d"
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+
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+#define DRM_NODE_NAME_MAX \
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+ (sizeof(DRM_DIR_NAME) + \
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+ MAX3(sizeof(DRM_PRIMARY_MINOR_NAME), \
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+ sizeof(DRM_CONTROL_MINOR_NAME), \
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+ sizeof(DRM_RENDER_MINOR_NAME)) \
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+ + 3) /* length of the node number */
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+
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#define DRM_ERR_NO_DEVICE (-1001)
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#define DRM_ERR_NO_ACCESS (-1002)
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#define DRM_ERR_NOT_ROOT (-1003)
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