[PATCH 15/24] drm/bridge/sii8620: do not stop MHL output when TMDS input is stopped

Andrzej Hajda a.hajda at samsung.com
Fri Jan 20 07:38:41 UTC 2017


Stopping output causes full re-detection of the sink and slows down the process.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 drivers/gpu/drm/bridge/sil-sii8620.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 653187c..e84cda0 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -1614,17 +1614,6 @@ static void sii8620_scdt_high(struct sii8620 *ctx)
 	);
 }
 
-static void sii8620_scdt_low(struct sii8620 *ctx)
-{
-	sii8620_write(ctx, REG_TMDS_CSTAT_P3,
-		      BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS |
-		      BIT_TMDS_CSTAT_P3_CLR_AVI);
-
-	sii8620_stop_video(ctx);
-
-	sii8620_write(ctx, REG_INTR8_MASK, 0);
-}
-
 static void sii8620_irq_scdt(struct sii8620 *ctx)
 {
 	u8 stat = sii8620_readb(ctx, REG_INTR5);
@@ -1634,8 +1623,6 @@ static void sii8620_irq_scdt(struct sii8620 *ctx)
 
 		if (cstat & BIT_TMDS_CSTAT_P3_SCDT)
 			sii8620_scdt_high(ctx);
-		else
-			sii8620_scdt_low(ctx);
 	}
 
 	sii8620_write(ctx, REG_INTR5, stat);
-- 
2.7.4



More information about the dri-devel mailing list