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authorAndrzej Hajda <a.hajda@samsung.com>2017-02-01 08:47:36 +0100
committerArchit Taneja <architt@codeaurora.org>2017-02-02 15:15:24 +0530
commite3a654872d1b1b18eebe6a4a7e0fcb5b997f33ea (patch)
tree8c5ead6cb01334cdc9164ce49c99456399390645 /drivers/gpu/drm/bridge/sil-sii8620.c
parent4a36888585278635d0e47c80e19c803f8fd0884e (diff)
drm/bridge/sii8620: fix peer device capabilities read code
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
Diffstat (limited to 'drivers/gpu/drm/bridge/sil-sii8620.c')
-rw-r--r--drivers/gpu/drm/bridge/sil-sii8620.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 384222612005..be953f3aea9c 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,