[PATCH] drm/exynos: fix erroneous register read

[Inki Dae]

This patch fixes erroneous register read.

readl function needs register base address + offset but
exynos_drm_gsc module used only offset to read a register.

So this patch uses gsc_read function instead of readl.

Signed-off-by: Inki Dae <inki.dae at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_gsc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c 
b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 5639353..bd42542 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1604,7 +1604,7 @@ static int gsc_ippdrv_start(struct device *dev, enum 
drm_exynos_ipp_cmd cmd)
                exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);

                /* src local path */
-               cfg = readl(GSC_IN_CON);
+               cfg = gsc_read(GSC_IN_CON);
                cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
                cfg |= (GSC_IN_PATH_LOCAL | GSC_IN_LOCAL_FIMD_WB);
                gsc_write(cfg, GSC_IN_CON);
-- 
1.7.4.1