Sharp lq101r1sx01 panel works as left-right gang mode. So link2 should send cmds like "exit sleep mode", "set display on" to panel as well. Signed-off-by: Mark Zhang <markz@xxxxxxxxxx> --- drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 26 +++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c index 3cce3ca19601..13e67a0ad3d9 100644 --- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c +++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c @@ -119,10 +119,18 @@ static int sharp_panel_unprepare(struct drm_panel *panel) err = mipi_dsi_dcs_set_display_off(sharp->link1); if (err < 0) dev_err(panel->dev, "failed to set display off: %d\n", err); + err = mipi_dsi_dcs_set_display_off(sharp->link2); + if (err < 0) + dev_err(panel->dev, "link2: failed to set display off: %d\n", + err); err = mipi_dsi_dcs_enter_sleep_mode(sharp->link1); if (err < 0) dev_err(panel->dev, "failed to enter sleep mode: %d\n", err); + err = mipi_dsi_dcs_enter_sleep_mode(sharp->link2); + if (err < 0) + dev_err(panel->dev, "link2: failed to enter sleep mode: %d\n", + err); msleep(120); @@ -193,6 +201,12 @@ static int sharp_panel_prepare(struct drm_panel *panel) dev_err(panel->dev, "failed to exit sleep mode: %d\n", err); goto poweroff; } + err = mipi_dsi_dcs_exit_sleep_mode(sharp->link2); + if (err < 0) { + dev_err(panel->dev, "link2: failed to exit sleep mode: %d\n", + err); + goto poweroff; + } /* * The MIPI DCS specification mandates this delay only between the @@ -222,6 +236,12 @@ static int sharp_panel_prepare(struct drm_panel *panel) dev_err(panel->dev, "failed to set pixel format: %d\n", err); goto poweroff; } + err = mipi_dsi_dcs_set_pixel_format(sharp->link2, format); + if (err < 0) { + dev_err(panel->dev, "link2: failed to set pixel format: %d\n", + err); + goto poweroff; + } /* * TODO: The device supports both left-right and even-odd split @@ -243,6 +263,12 @@ static int sharp_panel_prepare(struct drm_panel *panel) dev_err(panel->dev, "failed to set display on: %d\n", err); goto poweroff; } + err = mipi_dsi_dcs_set_display_on(sharp->link2); + if (err < 0) { + dev_err(panel->dev, "link2: failed to set display on: %d\n", + err); + goto poweroff; + } sharp->prepared = true; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html