From: Sebastian Reichel <sebastian.reic...@collabora.com>

Create a custom function pointer for ULPS and use it instead of
reusing disable/enable functions for ULPS mode switch. This allows
us to use the common disable/enable functions pointers for DSI.

Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
 .../gpu/drm/omapdrm/displays/panel-dsi-cm.c   |  8 ++--
 drivers/gpu/drm/omapdrm/dss/dsi.c             | 42 ++++++++++++++-----
 drivers/gpu/drm/omapdrm/dss/omapdss.h         |  5 +--
 3 files changed, 38 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c 
b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 4be0c9dbcc43..78247dcb1848 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -233,7 +233,7 @@ static int dsicm_enter_ulps(struct panel_drv_data *ddata)
        if (r)
                goto err;
 
-       src->ops->dsi.disable(src, false, true);
+       src->ops->dsi.ulps(src, true);
 
        ddata->ulps_enabled = true;
 
@@ -258,7 +258,7 @@ static int dsicm_exit_ulps(struct panel_drv_data *ddata)
        if (!ddata->ulps_enabled)
                return 0;
 
-       src->ops->enable(src);
+       src->ops->dsi.ulps(src, false);
        ddata->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
        r = _dsicm_enable_te(ddata, ddata->te_enabled);
@@ -586,7 +586,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata)
 
        dsicm_hw_reset(ddata);
 
-       src->ops->dsi.disable(src, true, false);
+       src->ops->disable(src);
 err_regulators:
        r = regulator_bulk_disable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies);
        if (r)
@@ -612,7 +612,7 @@ static void dsicm_power_off(struct panel_drv_data *ddata)
                dsicm_hw_reset(ddata);
        }
 
-       src->ops->dsi.disable(src, true, false);
+       src->ops->disable(src);
 
        r = regulator_bulk_disable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies);
        if (r)
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c 
b/drivers/gpu/drm/omapdrm/dss/dsi.c
index d54b743c2b48..937362ade4b4 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -4055,13 +4055,10 @@ static void dsi_display_uninit_dsi(struct dsi_data 
*dsi, bool disconnect_lanes,
        }
 }
 
-static void dsi_display_enable(struct omap_dss_device *dssdev)
+static void dsi_display_ulps_enable(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = to_dsi_data(dssdev);
        int r;
 
-       DSSDBG("dsi_display_enable\n");
-
        WARN_ON(!dsi_bus_is_locked(dsi));
 
        mutex_lock(&dsi->lock);
@@ -4084,16 +4081,19 @@ static void dsi_display_enable(struct omap_dss_device 
*dssdev)
        dsi_runtime_put(dsi);
 err_get_dsi:
        mutex_unlock(&dsi->lock);
-       DSSDBG("dsi_display_enable FAILED\n");
+       DSSDBG("dsi_display_ulps_enable FAILED\n");
 }
 
-static void dsi_display_disable(struct omap_dss_device *dssdev,
-               bool disconnect_lanes, bool enter_ulps)
+static void dsi_display_enable(struct omap_dss_device *dssdev)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
+       DSSDBG("dsi_display_enable\n");
+       dsi_display_ulps_enable(dsi);
+}
 
-       DSSDBG("dsi_display_disable\n");
-
+static void dsi_display_ulps_disable(struct dsi_data *dsi,
+               bool disconnect_lanes, bool enter_ulps)
+{
        WARN_ON(!dsi_bus_is_locked(dsi));
 
        mutex_lock(&dsi->lock);
@@ -4110,6 +4110,27 @@ static void dsi_display_disable(struct omap_dss_device 
*dssdev,
        mutex_unlock(&dsi->lock);
 }
 
+static void dsi_display_disable(struct omap_dss_device *dssdev)
+{
+       struct dsi_data *dsi = to_dsi_data(dssdev);
+
+       DSSDBG("dsi_display_disable\n");
+
+       dsi_display_ulps_disable(dsi, true, false);
+}
+
+static void dsi_ulps(struct omap_dss_device *dssdev, bool enable)
+{
+       struct dsi_data *dsi = to_dsi_data(dssdev);
+
+       DSSDBG("dsi_ulps\n");
+
+       if (enable)
+               dsi_display_ulps_disable(dsi, false, true);
+       else
+               dsi_display_ulps_enable(dsi);
+}
+
 static int dsi_enable_te(struct dsi_data *dsi, bool enable)
 {
        dsi->te_enabled = enable;
@@ -4812,9 +4833,10 @@ static const struct omap_dss_device_ops dsi_ops = {
        .connect = dsi_connect,
        .disconnect = dsi_disconnect,
        .enable = dsi_display_enable,
+       .disable = dsi_display_disable,
 
        .dsi = {
-               .disable = dsi_display_disable,
+               .ulps = dsi_ulps,
 
                .set_config = dsi_set_config,
 
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h 
b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 43eba2ea1f96..0d82ba34ca89 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -281,10 +281,9 @@ struct omap_dss_writeback_info {
 };
 
 struct omapdss_dsi_ops {
-       void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
-                       bool enter_ulps);
-
        /* bus configuration */
+       void (*ulps)(struct omap_dss_device *dssdev, bool enable);
+
        int (*set_config)(struct omap_dss_device *dssdev,
                        const struct omap_dss_dsi_config *cfg);
 
-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to