EDP: remove warning prints of missing GPU clock

GK20A driver does initializes clocks until very late init –
clk_set_rate() is returning error until then. This patch adds graceful
handling of missing gpu clock.

Change-Id: Ia0825985425494675637c20f3d25bc77b24afb91
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: http://git-master/r/304863
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>

diff --git a/drivers/edp/sysedp_dynamic_capping.c b/drivers/edp/sysedp_dynamic_capping.c
index 3e1ddaf913dbdd4535833312477a3c9c5132e10b..0d361c2e1b5692136c7440e104e699514c1a843b 100644 (file)
--- a/drivers/edp/sysedp_dynamic_capping.c
+++ b/drivers/edp/sysedp_dynamic_capping.c
@@ -140,7 +140,7 @@ static void apply_caps(struct tegra_sysedp_devcap *devcap)
 
        if (new.gpu != cur_caps.gpu) {
                r = clk_set_rate(gpu_cap_clk, new.gpu * 1000);
-               WARN_ON(r);
+               WARN_ON(r && (r != -ENOENT));
        }
 
        pr_caps(&cur_caps, &new, devcap->cpu_power);