Peer capabilities should be read differently depending on protocol version.
Signed-off-by: Andrzej Hajda a.hajda@samsung.com --- 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,