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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>
This commit is contained in:
Jingoo Han 2012-05-25 16:21:08 +09:00 committed by Florian Tobias Schandinat
parent 4d10ecf86b
commit 24db03a834
3 changed files with 8 additions and 2 deletions
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2
drivers/video/exynos/exynos_dp_core.c
View File

@ -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);

1
drivers/video/exynos/exynos_dp_core.h
View File

@ -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);

7
drivers/video/exynos/exynos_dp_reg.c
View File

@ -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;