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Finding panel_or_bridge might vary based on associated
DSI devices like DSI panel, bridge, and I2C based DSI
bridge.
1. DSI panels and bridges will invoke the host attach
from probe in order to find the panel_or_bridge.
chipone_probe()
dw_mipi_dsi_host_attach().start
dw_mipi_dsi_panel_or_bridge()
...found the panel_or_bridge...
ltdc_encoder_init().start
dw_mipi_dsi_bridge_attach().start
dw_mipi_dsi_host_attach().start
chipone_attach(). start
chipone_attach(). done
dw_mipi_dsi_host_attach().done
dw_mipi_dsi_bridge_attach(). done
ltdc_encoder_init().done
2. I2C based DSI bridge will invoke the drm_bridge_attach
from bridge attach in order to find the panel_or_bridge.
ltdc_encoder_init().start
dw_mipi_dsi_bridge_attach().start
dw_mipi_dsi_panel_or_bridge()
...found the panel_or_bridge...
dw_mipi_dsi_host_attach().start
sn65dsi83_attach(). start
sn65dsi83_attach(). done
dw_mipi_dsi_host_attach().done
dw_mipi_dsi_bridge_attach(). done
ltdc_encoder_init().done
So, invoke the panel_or_bridge from host attach and
bridge attach in order to find all possible DSI devices.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Yannick Fertre <yannick.fertre@foss.st.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210704140309.268469-1-jagan@amarulasolutions.com
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