From: Sebastian Reichel <sebastian.reic...@collabora.com>
Integrate low-power / high-speed bus switching into transfer
function and drop the omapdrm specific enable_hs() callback.
Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 6 +++---
drivers/gpu/drm/omapdrm/dss/dsi.c | 9 +++++++--
drivers/gpu/drm/omapdrm/dss/omapdss.h | 2 --
3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index feb4098ca227..aef5d59181fa 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -269,7 +269,7 @@ static int dsicm_exit_ulps(struct panel_drv_data *ddata)
return 0;
src->ops->enable(src);
- src->ops->dsi.enable_hs(src, ddata->dsi->channel, true);
+ ddata->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
r = _dsicm_enable_te(ddata, true);
if (r) {
@@ -573,7 +573,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata)
dsicm_hw_reset(ddata);
- src->ops->dsi.enable_hs(src, ddata->dsi->channel, false);
+ ddata->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
r = dsicm_sleep_out(ddata);
if (r)
@@ -616,7 +616,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata)
ddata->intro_printed = true;
}
- src->ops->dsi.enable_hs(src, ddata->dsi->channel, true);
+ ddata->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
return 0;
err:
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c
b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 25122f1eaa4b..352c16a37476 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -329,6 +329,7 @@ struct dsi_data {
int irq;
bool is_enabled;
+ bool in_lp_mode;
struct clk *dss_clk;
struct regmap *syscon;
@@ -2431,6 +2432,8 @@ static void dsi_vc_enable_hs(struct omap_dss_device
*dssdev, int channel,
/* start the DDR clock by sending a NULL packet */
if (dsi->vm_timings.ddr_clk_always_on && enable)
dsi_vc_send_null(dsi, channel);
+
+ dsi->in_lp_mode = !enable;
}
static void dsi_vc_flush_long_data(struct dsi_data *dsi, int channel)
@@ -4692,6 +4695,10 @@ static ssize_t omap_dsi_host_transfer(struct
mipi_dsi_host *host,
struct dsi_data *dsi = host_to_omap(host);
struct omap_dss_device *dssdev = &dsi->output;
+ if (!!(msg->flags & MIPI_DSI_MSG_USE_LPM) != dsi->in_lp_mode)
+ dsi_vc_enable_hs(dssdev, msg->channel,
+ !(msg->flags & MIPI_DSI_MSG_USE_LPM));
+
switch (msg->type) {
case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM:
case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM:
@@ -4752,8 +4759,6 @@ static const struct omap_dss_device_ops dsi_ops = {
.disable = dsi_display_disable,
- .enable_hs = dsi_vc_enable_hs,
-
.set_config = dsi_set_config,
.enable_video_output = dsi_enable_video_output,
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h
b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 9bbd2c0f3187..2d44a8e32fcc 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -288,8 +288,6 @@ struct omapdss_dsi_ops {
int (*set_config)(struct omap_dss_device *dssdev,
const struct omap_dss_dsi_config *cfg);
- void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
- bool enable);
int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
int (*update)(struct omap_dss_device *dssdev, int channel,
--
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