drm/exynos: mixer: use crtc->state->adjusted_mode instead of crtc->mode

This patch replaces usage of crtc->mode with crtc->state->adjusted_mode
like it is already done in common plane code.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_mixer.c

@@ -402,9 +402,9 @@ static void vp_video_buffer(struct mixer_context *ctx,
 {
 	struct exynos_drm_plane_state *state =
 				to_exynos_plane_state(plane->base.state);
+	struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode;
 	struct mixer_resources *res = &ctx->mixer_res;
 	struct drm_framebuffer *fb = state->base.fb;
-	struct drm_display_mode *mode = &state->base.crtc->mode;
 	unsigned long flags;
 	dma_addr_t luma_addr[2], chroma_addr[2];
 	bool tiled_mode = false;
@@ -539,9 +539,9 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
 {
 	struct exynos_drm_plane_state *state =
 				to_exynos_plane_state(plane->base.state);
+	struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode;
 	struct mixer_resources *res = &ctx->mixer_res;
 	struct drm_framebuffer *fb = state->base.fb;
-	struct drm_display_mode *mode = &state->base.crtc->mode;
 	unsigned long flags;
 	unsigned int win = plane->zpos;
 	unsigned int x_ratio = 0, y_ratio = 0;