TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/bridge: dw-mipi-dsi: remove the pclk which can be managed in runtime pm

Browse Source 
Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
Change-Id: Ib5287e452c0f40ab0bdaddf5a8f61f9d7abdb45a
This commit is contained in:
Guochun Huang
2021-08-31 08:20:42 +08:00
committed by Tao Huang
parent f5d16f932b
commit 31e9f77c4b
2 changed files with 0 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
-21
View File
@@ -245,7 +245,6 @@ struct dw_mipi_dsi {
void __iomem *base;
struct reset_control *apb_rst;
struct clk *pclk;
unsigned int lane_mbps; /* per lane */
u32 channel;
@@ -877,12 +876,10 @@ static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge)
if (dsi->slave) {
dw_mipi_dsi_disable(dsi->slave);
clk_disable_unprepare(dsi->slave->pclk);
pm_runtime_put(dsi->slave->dev);
}
dw_mipi_dsi_disable(dsi);
clk_disable_unprepare(dsi->pclk);
pm_runtime_put(dsi->dev);
}
@@ -908,8 +905,6 @@ static void dw_mipi_dsi_mode_set(struct dw_mipi_dsi *dsi,
int ret;
u32 lanes = dw_mipi_dsi_get_lanes(dsi);
clk_prepare_enable(dsi->pclk);
if (dsi->apb_rst) {
reset_control_assert(dsi->apb_rst);
usleep_range(10, 20);
@@ -1133,13 +1128,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
dsi->base = plat_data->base;
}
dsi->pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(dsi->pclk)) {
ret = PTR_ERR(dsi->pclk);
dev_err(dev, "Unable to get pclk: %d\n", ret);
return ERR_PTR(ret);
}
/*
* Note that the reset was not defined in the initial device tree, so
* we have to be prepared for it not being found.
@@ -1197,15 +1185,6 @@ void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave)
}
EXPORT_SYMBOL_GPL(dw_mipi_dsi_set_slave);
void dw_mipi_dsi_loader_protect(struct dw_mipi_dsi *dsi, bool on)
{
if (on)
clk_prepare_enable(dsi->pclk);
else
clk_disable_unprepare(dsi->pclk);
}
EXPORT_SYMBOL_GPL(dw_mipi_dsi_loader_protect);
/*
* Probe/remove API, used from platforms based on the DRM bridge API.
*/
include/drm/bridge/dw_mipi_dsi.h
-1
View File
@@ -67,6 +67,5 @@ int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
struct drm_connector *dw_mipi_dsi_get_connector(struct dw_mipi_dsi *dsi);
void dw_mipi_dsi_loader_protect(struct dw_mipi_dsi *dsi, bool on);
#endif /* __DW_MIPI_DSI__ */