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authorJingoo Han <jg1.han@samsung.com>2012-05-25 16:21:08 +0900
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-05-29 13:16:15 +0000
commit24db03a834089a3600780ea1c7abe08e483e5d29 (patch)
tree732f124a75ec0327d5de7520ac905668e5f2bd09 /drivers/video
parent4d10ecf86b31b732092dc9668a6088323c24ab09 (diff)
downloadop-kernel-dev-24db03a834089a3600780ea1c7abe08e483e5d29.zip
op-kernel-dev-24db03a834089a3600780ea1c7abe08e483e5d29.tar.gz
video: exynos_dp: move sw reset prioir to enabling sw defined function
The sw reset should be called prioir to enabling sw defined function, according to datasheet. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/exynos/exynos_dp_core.c2
-rw-r--r--drivers/video/exynos/exynos_dp_core.h1
-rw-r--r--drivers/video/exynos/exynos_dp_reg.c7
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index aabd214..b446f7e 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -27,6 +27,8 @@ static int exynos_dp_init_dp(struct exynos_dp_device *dp)
{
exynos_dp_reset(dp);
+ exynos_dp_swreset(dp);
+
/* SW defined function Normal operation */
exynos_dp_enable_sw_function(dp);
diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h
index 8f596b9..1e0f998 100644
--- a/drivers/video/exynos/exynos_dp_core.h
+++ b/drivers/video/exynos/exynos_dp_core.h
@@ -41,6 +41,7 @@ void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable);
void exynos_dp_init_analog_param(struct exynos_dp_device *dp);
void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
void exynos_dp_reset(struct exynos_dp_device *dp);
+void exynos_dp_swreset(struct exynos_dp_device *dp);
void exynos_dp_config_interrupt(struct exynos_dp_device *dp);
u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable);
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c
index 99bafb8..6ce76d5 100644
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ b/drivers/video/exynos/exynos_dp_reg.c
@@ -109,8 +109,6 @@ void exynos_dp_reset(struct exynos_dp_device *dp)
{
u32 reg;
- writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET);
-
exynos_dp_stop_video(dp);
exynos_dp_enable_video_mute(dp, 0);
@@ -155,6 +153,11 @@ void exynos_dp_reset(struct exynos_dp_device *dp)
exynos_dp_init_interrupt(dp);
}
+void exynos_dp_swreset(struct exynos_dp_device *dp)
+{
+ writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET);
+}
+
void exynos_dp_config_interrupt(struct exynos_dp_device *dp)
{
u32 reg;
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