1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2f6727a4e76..3bc01a6b5e9 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -886,7 +886,7 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg)
         struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
         struct mixer_context *ctx = drm_hdmi_ctx->ctx;
         struct mixer_resources *res = &ctx->mixer_res;
-        u32 val, val_base;
+        u32 val, base, shadow;
 
         spin_lock(&res->reg_slock);
 
@@ -897,12 +897,14 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg)
         if (val & MXR_INT_STATUS_VSYNC) {
                 /* interlace scan need to check shadow register */
                 if (ctx->interlace) {
-                        val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
-                        if (ctx->win_data[0].dma_addr != val_base)
+                        base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0));
+                        shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
+                        if (base != shadow)
                                 goto out;
 
-                        val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
-                        if (ctx->win_data[1].dma_addr != val_base)
+                        base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1));
+                        shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
+                        if (base != shadow)
                                 goto out;
                 }