This patch supports display block system regisger control.
Signed-off-by: Donghwa Lee <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
---
arch/arm/cpu/armv7/exynos/system.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/system.c
b/arch/arm/cpu/armv7/exynos/system.c
index cc6ee03..5a6747a 100644
--- a/arch/arm/cpu/armv7/exynos/system.c
+++ b/arch/arm/cpu/armv7/exynos/system.c
@@ -63,8 +63,26 @@ static void exynos4_set_system_display(void)
writel(cfg, &sysreg->display_ctrl);
}
+static void exynos5_set_system_display(void)
+{
+ struct exynos5_sysreg *sysreg =
+ (struct exynos5_sysreg *)samsung_get_base_sysreg();
+ unsigned int cfg = 0;
+
+ /*
+ * system register path set
+ * 0: MIE/MDNIE
+ * 1: FIMD Bypass
+ */
+ cfg = readl(&sysreg->disp1blk_cfg);
+ cfg |= (1 << 15);
+ writel(cfg, &sysreg->disp1blk_cfg);
+}
+
void set_system_display_ctrl(void)
{
if (cpu_is_exynos4())
exynos4_set_system_display();
+ else
+ exynos5_set_system_display();
}
--
1.7.4.1
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