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drm/bridge/sii8620: fix peer device capabilities read code

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Peer capabilities should be read differently depending on protocol version.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-10-git-send-email-a.hajda@samsung.com
This commit is contained in:
Andrzej Hajda 2017-02-01 08:47:36 +01:00 committed by Archit Taneja
parent 4a36888585
commit e3a654872d
1 changed files with 11 additions and 1 deletions
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12
drivers/gpu/drm/bridge/sil-sii8620.c
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@ -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,