drm/msm/dp: inline dp_power_clk_set_rate()

Inline the dp_power_clk_set_rate() function, replacing it with the call
to msm_dss_enable_clk().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/474719/
Link: https://lore.kernel.org/r/20220217055529.499829-5-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/dp/dp_power.c

@@ -151,21 +151,6 @@ static int dp_power_clk_deinit(struct dp_power_private *power)
 	return 0;
 }
 
-static int dp_power_clk_set_rate(struct dp_power_private *power,
-		enum dp_pm_type module, bool enable)
-{
-	int rc = 0;
-	struct dss_module_power *mp = &power->parser->mp[module];
-
-	rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, enable);
-	if (rc) {
-		DRM_ERROR("failed to %d clks, err: %d\n", enable, rc);
-		return rc;
-	}
-
-	return 0;
-}
-
 int dp_power_clk_status(struct dp_power *dp_power, enum dp_pm_type pm_type)
 {
 	struct dp_power_private *power;
@@ -193,6 +178,7 @@ int dp_power_clk_enable(struct dp_power *dp_power,
 {
 	int rc = 0;
 	struct dp_power_private *power;
+	struct dss_module_power *mp;
 
 	power = container_of(dp_power, struct dp_power_private, dp_power);
 
@@ -225,8 +211,9 @@ int dp_power_clk_enable(struct dp_power *dp_power,
 		if ((pm_type == DP_CTRL_PM) && (!dp_power->core_clks_on)) {
 			drm_dbg_dp(power->drm_dev,
 					"Enable core clks before link clks\n");
+			mp = &power->parser->mp[DP_CORE_PM];
 
-			rc = dp_power_clk_set_rate(power, DP_CORE_PM, enable);
+			rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, enable);
 			if (rc) {
 				DRM_ERROR("fail to enable clks: %s. err=%d\n",
 					dp_parser_pm_name(DP_CORE_PM), rc);
@@ -236,7 +223,8 @@ int dp_power_clk_enable(struct dp_power *dp_power,
 		}
 	}
 
-	rc = dp_power_clk_set_rate(power, pm_type, enable);
+	mp = &power->parser->mp[pm_type];
+	rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, enable);
 	if (rc) {
 		DRM_ERROR("failed to '%s' clks for: %s. err=%d\n",
 			enable ? "enable" : "disable",