[PATCH 15/41] drm/bridge: analogix_dp: Move enable video into config_video()

[Andrzej Hajda]

On 10.03.2017 05:32, Sean Paul wrote:
> From: Lin Huang <hl at rock-chips.com>
>
> We need to enable video before analogix_dp_is_video_stream_on(), so
> we can get the right video stream status.
>
> Cc: 征增 王 <wzz at rock-chips.com>
> Cc: Stéphane Marchesin <marcheu at chromium.org>
> Signed-off-by: Lin Huang <hl at rock-chips.com>
> Signed-off-by: Sean Paul <seanpaul at chromium.org>

Reviewed-by: Andrzej Hajda <a.hajda at samsung.com>

Patch contains also changes not connected with subject, maybe in next
spin it would be good to comment it in description.
--
Regards
Andrzej

> ---
>  drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index 9dfa1b507389..52218d743059 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -823,11 +823,10 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp)
>  		if (analogix_dp_is_slave_video_stream_clock_on(dp) == 0)
>  			break;
>  		if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) {
> -			dev_err(dp->dev, "Timeout of video streamclk ok\n");
> +			dev_err(dp->dev, "Timeout of slave video streamclk ok\n");
>  			return -ETIMEDOUT;
>  		}
> -
> -		usleep_range(1, 2);
> +		usleep_range(1000, 1001);
>  	}
>  
>  	/* Set to use the register calculated M/N video */
> @@ -842,6 +841,9 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp)
>  	/* Configure video slave mode */
>  	analogix_dp_enable_video_master(dp, 0);
>  
> +	/* Enable video */
> +	analogix_dp_start_video(dp);
> +
>  	timeout_loop = 0;
>  
>  	for (;;) {
> @@ -955,9 +957,6 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
>  			DRM_ERROR("failed to enable the panel\n");
>  	}
>  
> -	/* Enable video */
> -	analogix_dp_start_video(dp);
> -
>  	dp->psr_enable = analogix_dp_detect_sink_psr(dp);
>  	if (dp->psr_enable)
>  		analogix_dp_enable_sink_psr(dp);