1 files changed, 5 insertions, 9 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2f4f72f07047..f08e2512c931 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -820,7 +820,6 @@ static void mixer_win_disable(void *ctx, int win)
 
 static int mixer_check_timing(void *ctx, struct fb_videomode *timing)
 {
-	struct mixer_context *mixer_ctx = ctx;
 	u32 w, h;
 
 	w = timing->xres;
@@ -831,9 +830,6 @@ static int mixer_check_timing(void *ctx, struct fb_videomode *timing)
 		timing->refresh, (timing->vmode &
 		FB_VMODE_INTERLACED) ? true : false);
 
-	if (mixer_ctx->mxr_ver == MXR_VER_0_0_0_16)
-		return 0;
-
 	if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||
 		(w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||
 		(w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
@@ -1047,13 +1043,13 @@ static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx,
 	spin_lock_init(&mixer_res->reg_slock);
 
 	mixer_res->mixer = devm_clk_get(dev, "mixer");
-	if (IS_ERR_OR_NULL(mixer_res->mixer)) {
+	if (IS_ERR(mixer_res->mixer)) {
 		dev_err(dev, "failed to get clock 'mixer'\n");
 		return -ENODEV;
 	}
 
 	mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
-	if (IS_ERR_OR_NULL(mixer_res->sclk_hdmi)) {
+	if (IS_ERR(mixer_res->sclk_hdmi)) {
 		dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
 		return -ENODEV;
 	}
@@ -1096,17 +1092,17 @@ static int vp_resources_init(struct exynos_drm_hdmi_context *ctx,
 	struct resource *res;
 
 	mixer_res->vp = devm_clk_get(dev, "vp");
-	if (IS_ERR_OR_NULL(mixer_res->vp)) {
+	if (IS_ERR(mixer_res->vp)) {
 		dev_err(dev, "failed to get clock 'vp'\n");
 		return -ENODEV;
 	}
 	mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer");
-	if (IS_ERR_OR_NULL(mixer_res->sclk_mixer)) {
+	if (IS_ERR(mixer_res->sclk_mixer)) {
 		dev_err(dev, "failed to get clock 'sclk_mixer'\n");
 		return -ENODEV;
 	}
 	mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac");
-	if (IS_ERR_OR_NULL(mixer_res->sclk_dac)) {
+	if (IS_ERR(mixer_res->sclk_dac)) {
 		dev_err(dev, "failed to get clock 'sclk_dac'\n");
 		return -ENODEV;
 	}