On 10.03.2017 05:32, Sean Paul wrote:
> From: Lin Huang <hl@xxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxx>
> Cc: Stéphane Marchesin <marcheu@xxxxxxxxxxxx>
> Signed-off-by: Lin Huang <hl@xxxxxxxxxxxxxx>
> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
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);
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