diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_scaler.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_scaler.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c index 9af096479e1c..497973e9b2c5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c +++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <drm/drm_fourcc.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" @@ -94,12 +95,12 @@ static inline int scaler_reset(struct scaler_context *scaler) scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG); do { cpu_relax(); - } while (retry > 1 && + } while (--retry > 1 && scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET); do { cpu_relax(); scaler_write(1, SCALER_INT_EN); - } while (retry > 0 && scaler_read(SCALER_INT_EN) != 1); + } while (--retry > 0 && scaler_read(SCALER_INT_EN) != 1); return retry ? 0 : -EIO; } |