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drm/rockchip: dsi: support dual-link mode

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1) dual-channel mode

              --> dsi0 --> dphy_tx0 -->
             /                 !       \
vopl/vopb -->              dphy_pll     --> panel
             \                 !       /
              --> dsi1 --> dphy_tx1 -->

2) dual-link mode

vopb/vopl --> dsi0 --> dphy_tx0 --> panel0
                           !
                       dphy_pll
                           !
vopl/vopb --> dsi1 --> dphy_tx1 --> panel1

Change-Id: Iddbea22f121959e4afa969d74549d8fb66ab09f1
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
Wyon Bi
2018-01-18 09:29:43 +08:00
parent 4f6e785d70
commit 4d3459c8ac
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/rockchip/dw-mipi-dsi.c
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@@ -1279,6 +1279,9 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
if (dsi->slave)
s->output_flags |= ROCKCHIP_OUTPUT_DSI_DUAL_CHANNEL;
if (dsi->id)
s->output_flags |= ROCKCHIP_OUTPUT_DSI_DUAL_LINK;
return 0;
}