diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-12-06 13:22:19 +0100 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:54:27 +0900 |
| commit | 4fbaf7235e0538fc7df943abef2c025b3acad787 (patch) | |
| tree | 561b4af1e9f919a2a1a248d1f10ccef741db6042 | |
| parent | 9274ccaaaa1d5f5c7b95ea59d742e7e8dde652f4 (diff) | |
drm/bridge/sii8620: add delay during cbus reset
Without delay CBUS sometimes was not reset properly.
Change-Id: I4392297d13c9f9b8551e292fa4e2c070202d7e7f
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 43f3d3632a6c..3ba69756816d 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -888,11 +888,10 @@ static void sii8620_hw_reset(struct sii8620 *ctx) static void sii8620_cbus_reset(struct sii8620 *ctx) { - sii8620_write_seq_static(ctx, - REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST - | BIT_PWD_SRST_CBUS_RST_SW_EN, - REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN - ); + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST + | BIT_PWD_SRST_CBUS_RST_SW_EN); + usleep_range(10000, 20000); + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN); } static void sii8620_set_auto_zone(struct sii8620 *ctx) |