drm/bridge/sii8620: do not stop MHL output when TMDS input is stopped
authorAndrzej Hajda <a.hajda@samsung.com>
Wed, 1 Feb 2017 07:47:42 +0000 (08:47 +0100)
committerArchit Taneja <architt@codeaurora.org>
Thu, 2 Feb 2017 09:45:27 +0000 (15:15 +0530)
Stopping output causes full re-detection of the sink and slows down the
process.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-16-git-send-email-a.hajda@samsung.com
drivers/gpu/drm/bridge/sil-sii8620.c

index fde9e675e3291259270b44c483ee2ae80b30aa78..a27ce5493323dc0ffbea58d02616c7c95c7204a8 100644 (file)
@@ -1615,17 +1615,6 @@ 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);
@@ -1635,8 +1624,6 @@ 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);