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drm/rockchip: dw-mipi-dsi: prepare panel after phy init 

Some panels need to be configured with commands sent over the MIPI link,
which they will do in the prepare hook.  Call this after the PHY has
been initialized so that we are able to send commands to the panel.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170224125506.21533-12-john@metanate.com
This commit is contained in:
John Keeping 2017-02-24 12:54:54 +00:00 committed by Sean Paul
parent 1ed498b03d
commit 8a7df73ff9
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/rockchip/dw-mipi-dsi.c
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@ -898,12 +898,14 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
dw_mipi_dsi_dphy_timing_config(dsi);
dw_mipi_dsi_dphy_interface_config(dsi);
dw_mipi_dsi_clear_err(dsi);
if (drm_panel_prepare(dsi->panel))
dev_err(dsi->dev, "failed to prepare panel\n");
dw_mipi_dsi_phy_init(dsi);
dw_mipi_dsi_wait_for_two_frames(mode);
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
if (drm_panel_prepare(dsi->panel))
dev_err(dsi->dev, "failed to prepare panel\n");
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE);
drm_panel_enable(dsi->panel);