msm: display: Add DSI clock control for MDP GDHS power collapse

Enable DSI clock and regulator before enabling/disabling power collapse
for MDP GDHS.

Change-Id: I9effb5b4e9ca8033c51085260c8fb9f32c422dd3
Signed-off-by: Ravishangar Kalyanam <rkalya@codeaurora.org>
Signed-off-by: Siddhartha Agrawal <agrawals@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8960-regulator.c b/arch/arm/mach-msm/board-8960-regulator.c
index 8fc26ea..2fa98b6 100644
--- a/arch/arm/mach-msm/board-8960-regulator.c
+++ b/arch/arm/mach-msm/board-8960-regulator.c
@@ -31,6 +31,7 @@
 VREG_CONSUMERS(L2) = {
 	REGULATOR_SUPPLY("8921_l2",		NULL),
 	REGULATOR_SUPPLY("dsi_vdda",		"mipi_dsi.1"),
+	REGULATOR_SUPPLY("dsi_pll_vdda",	"mdp.0"),
 	REGULATOR_SUPPLY("mipi_csi_vdd",	"msm_csid.0"),
 	REGULATOR_SUPPLY("mipi_csi_vdd",	"msm_csid.1"),
 	REGULATOR_SUPPLY("mipi_csi_vdd",	"msm_csid.2"),
@@ -116,6 +117,7 @@
 VREG_CONSUMERS(L23) = {
 	REGULATOR_SUPPLY("8921_l23",		NULL),
 	REGULATOR_SUPPLY("dsi_vddio",		"mipi_dsi.1"),
+	REGULATOR_SUPPLY("dsi_pll_vddio",	"mdp.0"),
 	REGULATOR_SUPPLY("hdmi_avdd",		"hdmi_msm.0"),
 	REGULATOR_SUPPLY("pll_vdd",		"pil_riva"),
 	REGULATOR_SUPPLY("pll_vdd",		"pil_qdsp6v4.1"),