nouveau: add an ioctl to report vram usage

This reports the currently used vram allocations. userspace using this has been proposed for nvk, but it's a rather trivial uapi addition.

Dave Airlie committed 2 years ago

Commit 72fa02f1 parent 3f4d8aa2 files · +12 −0Browse files

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@@ -61,6 +61,13 @@ extern "C" { · 60 unmodified lines
61	61	*/
62	62	#define NOUVEAU_GETPARAM_VRAM_BAR_SIZE 18
63	63
	64	+/*
	65	+ * NOUVEAU_GETPARAM_VRAM_USED
	66	+ *
	67	+ * Get remaining VRAM size.
	68	+ */
	69	+#define NOUVEAU_GETPARAM_VRAM_USED 19
	70	+
64	71	struct drm_nouveau_getparam {
65	72	__u64 param;
66	73	__u64 value;