drm/exynos/decon5433: reset decon on start

Resetting IP at starting ensures that DECON will be in known state regardless of changes by bootloader. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
mariux64 · Apr 29, 2016 · e87b3c6 · e87b3c6
1 parent 92ead49
commit e87b3c6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -396,6 +396,8 @@ static void decon_enable(struct exynos_drm_crtc *crtc)
 
 	set_bit(BIT_CLKS_ENABLED, &ctx->flags);
 
+	decon_swreset(ctx);
+
 	/* if vblank was enabled status, enable it again. */
 	if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
 		decon_enable_vblank(ctx->crtc);