diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2017-02-01 08:47:36 +0100 |
|---|---|---|
| committer | Archit Taneja <architt@codeaurora.org> | 2017-02-02 15:15:24 +0530 |
| commit | e3a654872d1b1b18eebe6a4a7e0fcb5b997f33ea (patch) | |
| tree | 8c5ead6cb01334cdc9164ce49c99456399390645 /drivers/gpu/drm | |
| parent | 4a36888585278635d0e47c80e19c803f8fd0884e (diff) | |
| download | linux-e3a654872d1b1b18eebe6a4a7e0fcb5b997f33ea.tar.bz2 | |
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')
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 12 |
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, |