[PATCH 06/15] drm/exynos: dpi: Add support for panel prepare and unprepare routines

[Ajay Kumar <ajaykumar.rs-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>]

Modify exynos_dpi driver to support the new panel calls:
prepare and unprepare.

Signed-off-by: Ajay Kumar <ajaykumar.rs-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/gpu/drm/exynos/exynos_drm_dpi.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 3aa1c7e..fa08f05 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -125,14 +125,18 @@ static int exynos_dpi_create_connector(struct exynos_drm_display *display,
 
 static void exynos_dpi_poweron(struct exynos_dpi *ctx)
 {
-	if (ctx->panel)
+	if (ctx->panel) {
+		drm_panel_prepare(ctx->panel);
 		drm_panel_enable(ctx->panel);
+	}
 }
 
 static void exynos_dpi_poweroff(struct exynos_dpi *ctx)
 {
-	if (ctx->panel)
+	if (ctx->panel) {
 		drm_panel_disable(ctx->panel);
+		drm_panel_unprepare(ctx->panel);
+	}
 }
 
 static void exynos_dpi_dpms(struct exynos_drm_display *display, int mode)
-- 
1.7.9.5

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