[v3,13/43] drm/bridge: analogix_dp: Move enable video into config_video()
diff mbox

Message ID 20180130202913.28724-14-thierry.escande@collabora.com
State New
Headers show

Commit Message

Thierry Escande Jan. 30, 2018, 8:28 p.m. UTC
From: Lin Huang <hl@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@rock-chips.com>
Cc: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 49a05eac41c1..8ef9e31c6713 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -820,11 +820,10 @@  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 */
@@ -839,6 +838,9 @@  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 (;;) {
@@ -952,9 +954,6 @@  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);