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Commit e3a65487 authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Archit Taneja
Browse files

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



Peer capabilities should be read differently depending on protocol version.

Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarArchit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-10-git-send-email-a.hajda@samsung.com
parent 4a368885

drivers/gpu/drm/bridge/sil-sii8620.c

+11 −1
Original line number Diff line number Diff line
@@ -1412,6 +1412,7 @@ 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);

		if (!sii8620_is_mhl3(ctx))

			sii8620_mt_read_devcap(ctx, false);

	} else {

		sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
@@ -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,