drm/exynos/decon5433: fix trigger configuration

It seems trigger cannot be configured too early, otherwise it does not work in
case of panel. The patch fixes also trigger flag logic, previously HW-TRIGGER
flag was cleared in case of panel - as a result panel used always software
trigger.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 737b8b3..ac21b40 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -147,11 +147,13 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
        val = CMU_CLKGAGE_MODE_SFR_F | CMU_CLKGAGE_MODE_MEM_F;
        writel(val, ctx->addr + DECON_CMU);
 
+       if (ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))
+               decon_setup_trigger(ctx);
+
        /* lcd on and use command if */
        val = VIDOUT_LCD_ON;
        if (ctx->out_type & IFTYPE_I80) {
                val |= VIDOUT_COMMAND_IF;
-               decon_setup_trigger(ctx);
        } else {
                val |= VIDOUT_RGB_IF;
        }
@@ -376,9 +378,6 @@ static void decon_swreset(struct decon_context *ctx)
        writel(VIDCON1_VCLK_RUN_VDEN_DISABLE, ctx->addr + DECON_VIDCON1);
        writel(CRCCTRL_CRCEN | CRCCTRL_CRCSTART_F | CRCCTRL_CRCCLKEN,
               ctx->addr + DECON_CRCCTRL);
-
-       if (ctx->out_type & IFTYPE_I80)
-               decon_setup_trigger(ctx);
 }
 
 static void decon_enable(struct exynos_drm_crtc *crtc)
@@ -648,9 +647,8 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 
        if (ctx->out_type & IFTYPE_HDMI) {
                ctx->first_win = 1;
-               ctx->out_type = IFTYPE_I80;
        } else if (of_get_child_by_name(dev->of_node, "i80-if-timings")) {
-               ctx->out_type = IFTYPE_I80;
+               ctx->out_type |= IFTYPE_I80;
        }
 
        for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) {