target: msm8226: Restore MDP security configs before accessing MDP HW
Restore MDP security configs before programming any MDP registers.
This is needed in order to enabling support for Qualcomm
Reinitialization Block (QRIB) feature.
CRs-Fixed: 552293
Change-Id: Ic6c11f6166fc984515dbb3d4aee83844c927dc1b
diff --git a/target/msm8226/target_display.c b/target/msm8226/target_display.c
index 1b2b0f9..0dce4fe 100755
--- a/target/msm8226/target_display.c
+++ b/target/msm8226/target_display.c
@@ -36,6 +36,7 @@
#include <pm8x41_wled.h>
#include <board.h>
#include <mdp5.h>
+#include <scm.h>
#include <platform/gpio.h>
#include <platform/iomap.h>
#include <target/display.h>
@@ -224,6 +225,7 @@
int target_panel_clock(uint8_t enable, struct msm_panel_info *pinfo)
{
+ int32_t ret;
struct mdss_dsi_pll_config *pll_data;
dprintf(SPEW, "target_panel_clock\n");
@@ -233,6 +235,16 @@
mdp_gdsc_ctrl(enable);
mmss_bus_clocks_enable();
mdp_clock_enable();
+ ret = restore_secure_cfg(SECURE_DEVICE_MDSS);
+ if (ret) {
+ dprintf(CRITICAL,
+ "%s: Failed to restore MDP security configs",
+ __func__);
+ mdp_clock_disable();
+ mmss_bus_clocks_disable();
+ mdp_gdsc_ctrl(0);
+ return ret;
+ }
mdss_dsi_auto_pll_config(MIPI_DSI0_BASE, pll_data);
dsi_pll_enable_seq(MIPI_DSI0_BASE);
mmss_dsi_clocks_enable(pll_data->pclk_m,