commit 3d4d275bd9442307af9f0ffb36660114e842e529
author Ajay Singh Parmar <aparmar@codeaurora.org> Fri Sep 09 09:01:55 2011 +0530
committer Bryan Huntsman <bryanh@codeaurora.org> Mon Oct 03 16:18:44 2011 -0700
tree 1fdd9444018b645b3765edf75658703b03f04fa8
parent 393bdb581d969d9af071cc546f1dd63585f9c346

msm_fb: Display: Set ebi1 clock during lcdc on and off.

Set EBI1 clock to 0 during lcdc off and to 65MHz during on.

Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>

drivers/video/msm/lcdc.c

diff --git a/drivers/video/msm/lcdc.c b/drivers/video/msm/lcdc.c
index b651288..cf8a5ff 100644
--- a/drivers/video/msm/lcdc.c
+++ b/drivers/video/msm/lcdc.c
@@ -29,6 +29,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
+#include <mach/clk.h>
 
 #include "msm_fb.h"
 
@@ -75,9 +76,13 @@
 		ret = lcdc_pdata->lcdc_gpio_config(0);
 
 #ifndef CONFIG_MSM_BUS_SCALING
-	if (mdp_rev != MDP_REV_303) {
-		if (mfd->ebi1_clk)
-			clk_disable(mfd->ebi1_clk);
+	if (mfd->ebi1_clk) {
+		if (mdp_rev == MDP_REV_303) {
+			if (clk_set_min_rate(mfd->ebi1_clk, 0))
+				pr_err("%s: ebi1_lcdc_clk set rate failed\n",
+					__func__);
+		}
+		clk_disable(mfd->ebi1_clk);
 	}
 #else
 	mdp_bus_scale_update_request(0);
@@ -110,12 +115,17 @@
 	else
 		pm_qos_rate = 65000;
 
-	if (mdp_rev != MDP_REV_303) {
-		if (mfd->ebi1_clk) {
+	if (mfd->ebi1_clk) {
+		if (mdp_rev == MDP_REV_303) {
+			if (clk_set_min_rate(mfd->ebi1_clk, 65000000))
+				pr_err("%s: ebi1_lcdc_clk set rate failed\n",
+					__func__);
+		} else {
 			clk_set_rate(mfd->ebi1_clk, pm_qos_rate * 1000);
-			clk_enable(mfd->ebi1_clk);
 		}
+		clk_enable(mfd->ebi1_clk);
 	}
+
 #endif
 	mfd = platform_get_drvdata(pdev);