msm_fb: display: Fix 8960 HDMI resolution switch issue
Fix 8960 HDMI resolution switch issue by removing core
reset via clock branches. This helps in retaining the
HDMI PLL register values for subsequent cable
disconnect/connect scenarios.
CRs-Fixed: 296879
Signed-off-by: Ravishangar Kalyanam <rkalya@codeaurora.org>
diff --git a/drivers/video/msm/hdmi_msm.c b/drivers/video/msm/hdmi_msm.c
index 53dc911..ffc852f 100644
--- a/drivers/video/msm/hdmi_msm.c
+++ b/drivers/video/msm/hdmi_msm.c
@@ -642,7 +642,7 @@
return (HDMI_INP_ND(0x0000) & 0x00000002) ? FALSE : TRUE;
}
-static void hdmi_msm_set_mode(boolean power_on)
+void hdmi_msm_set_mode(boolean power_on)
{
uint32 reg_val = 0;
if (power_on) {
@@ -3019,7 +3019,7 @@
}
#endif
-static int hdmi_msm_clk(int on)
+int hdmi_msm_clk(int on)
{
int rc;
@@ -3054,22 +3054,6 @@
return 0;
}
-static void hdmi_msm_reset_core(void)
-{
- hdmi_msm_set_mode(FALSE);
- hdmi_msm_clk(0);
- udelay(5);
- hdmi_msm_clk(1);
-
- clk_reset(hdmi_msm_state->hdmi_app_clk, CLK_RESET_ASSERT);
- clk_reset(hdmi_msm_state->hdmi_m_pclk, CLK_RESET_ASSERT);
- clk_reset(hdmi_msm_state->hdmi_s_pclk, CLK_RESET_ASSERT);
- udelay(20);
- clk_reset(hdmi_msm_state->hdmi_app_clk, CLK_RESET_DEASSERT);
- clk_reset(hdmi_msm_state->hdmi_m_pclk, CLK_RESET_DEASSERT);
- clk_reset(hdmi_msm_state->hdmi_s_pclk, CLK_RESET_DEASSERT);
-}
-
static void hdmi_msm_turn_on(void)
{
uint32 hpd_ctrl;