[Nouveau] [RFC PATCH 3/3] clk: allow users to enable auto mode when loading driver

[Vince Hsu]

This patch adds one option for the boot config strings "NvClkMode*", so
that we can enable the "auto" mode when loading module.

Signed-off-by: Vince Hsu <vinceh at nvidia.com>
---
 nvkm/subdev/clock/base.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nvkm/subdev/clock/base.c b/nvkm/subdev/clock/base.c
index b1bbe764fa35..bc095b470121 100644
--- a/nvkm/subdev/clock/base.c
+++ b/nvkm/subdev/clock/base.c
@@ -401,6 +401,9 @@ nouveau_clock_nstate(struct nouveau_clock *clk, const char *mode, int arglen)
 {
 	int ret = 1;
 
+	if (clk->allow_reclock && !strncasecmpz(mode, "auto", arglen))
+		return -2;
+
 	if (strncasecmpz(mode, "disabled", arglen)) {
 		char save = mode[arglen];
 		long v;
-- 
1.9.1