Peer capabilities should be read differently depending on protocol version.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
drivers/gpu/drm/bridge/sil-sii8620.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 3842226..be953f3 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -1412,7 +1412,8 @@ static void sii8620_status_changed_path(struct sii8620 *ctx)
sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
MHL_DST_LM_CLK_MODE_NORMAL
| MHL_DST_LM_PATH_ENABLED);
- sii8620_mt_read_devcap(ctx, false);
+ if (!sii8620_is_mhl3(ctx))
+ sii8620_mt_read_devcap(ctx, false);
} else {
sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
MHL_DST_LM_CLK_MODE_NORMAL);
@@ -1664,6 +1665,14 @@ static void sii8620_irq_infr(struct sii8620 *ctx)
sii8620_start_video(ctx);
}
+static void sii8620_got_xdevcap(struct sii8620 *ctx, int ret)
+{
+ if (ret < 0)
+ return;
+
+ sii8620_mt_read_devcap(ctx, false);
+}
+
static void sii8620_irq_tdm(struct sii8620 *ctx)
{
u8 stat = sii8620_readb(ctx, REG_TRXINTH);
@@ -1675,6 +1684,7 @@ static void sii8620_irq_tdm(struct sii8620 *ctx)
ctx->burst.r_size = SII8620_BURST_BUF_LEN;
sii8620_burst_tx_rbuf_info(ctx, SII8620_BURST_BUF_LEN);
sii8620_mt_read_devcap(ctx, true);
+ sii8620_mt_set_cont(ctx, sii8620_got_xdevcap);
} else {
sii8620_write_seq_static(ctx,
REG_MHL_PLL_CTL2, 0,
--
2.7.4
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