diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/sil-sii8620.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 5286b9da1a5b..3debe98ecdc1 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -1565,12 +1565,31 @@ static void sii8620_irq_disc(struct sii8620 *ctx) sii8620_write(ctx, REG_CBUS_DISC_INTR0, stat); } +static void sii8620_read_burst(struct sii8620 *ctx) +{ + u8 buf[17]; + + sii8620_read_buf(ctx, REG_MDT_RCV_READ_PORT, buf, ARRAY_SIZE(buf)); + sii8620_write(ctx, REG_MDT_RCV_CTRL, BIT_MDT_RCV_CTRL_MDT_RCV_EN | + BIT_MDT_RCV_CTRL_MDT_DELAY_RCV_EN | + BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_CUR); + sii8620_readb(ctx, REG_MDT_RFIFO_STAT); +} + static void sii8620_irq_g2wb(struct sii8620 *ctx) { u8 stat = sii8620_readb(ctx, REG_MDT_INT_0); if (stat & BIT_MDT_IDLE_AFTER_HAWB_DISABLE) - dev_dbg(ctx->dev, "HAWB idle\n"); + if (ctx->mode >= CM_MHL3) + sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE), + MHL_INT_RC_FEAT_COMPLETE); + + if (stat & BIT_MDT_RFIFO_DATA_RDY) + sii8620_read_burst(ctx); + + if (stat & BIT_MDT_XFIFO_EMPTY) + sii8620_write(ctx, REG_MDT_XMIT_CTRL, 0); sii8620_write(ctx, REG_MDT_INT_0, stat); } |