| Message ID | 20170121163128.22240-13-john@metanate.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi John Reviewed-by: Chris Zhong <zyw@rock-chips.com> On 01/22/2017 12:31 AM, John Keeping wrote: > 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> > --- > Unchanged in v2 > --- > drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > index ddbc037e7ced..7ada6d8ed143 100644 > --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > @@ -896,12 +896,14 @@ 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); >
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index ddbc037e7ced..7ada6d8ed143 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -896,12 +896,14 @@ 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);
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> --- Unchanged in v2 --- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)