drm/exynos: remove unnecessary read for phy configuration values

Cleaning up unnecessary i2c read call after hdmiphy configuration.
This check is redundant since check for hdmiphy pll lock status
confirms the correct settings for phy.
Signed-off-by: NRahul Sharma <Rahul.Sharma@samsung.com>
Signed-off-by: NDaniel Kurtz <djkurtz@chromium.org>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -1490,7 +1490,6 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
 	const u8 *hdmiphy_data;
 	u8 buffer[32];
 	u8 operation[2];
-	u8 read_buffer[32] = {0, };
 	int ret;
 	int i;
 
@@ -1530,15 +1529,6 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
 		return;
 	}
 
-	ret = i2c_master_recv(hdata->hdmiphy_port, read_buffer, 32);
-	if (ret < 0) {
-		DRM_ERROR("failed to read hdmiphy config\n");
-		return;
-	}
-
-	for (i = 0; i < ret; i++)
-		DRM_DEBUG_KMS("hdmiphy[0x%02x] write[0x%02x] - "
-			"recv [0x%02x]\n", i, buffer[i], read_buffer[i]);
 }
 
 static void hdmi_conf_apply(struct hdmi_context *hdata)