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drm/rockchip: dsi: Add support for rockchip kernel logo

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Change-Id: Ifb511a5db4c744448bfa02c09ee4c884b6d2a4e8
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
Wyon Bi
2019-08-20 10:12:08 +08:00
committed by Tao Huang
parent a96ba7fcd5
commit aefda0b281
1 changed files with 36 additions and 3 deletions
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39
drivers/gpu/drm/rockchip/dw-mipi-dsi.c
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@@ -1360,12 +1360,37 @@ dw_mipi_dsi_encoder_atomic_mode_set(struct drm_encoder *encoder,
drm_mode_copy(&dsi->slave->mode, &crtc_state->adjusted_mode);
}
static int dw_mipi_dsi_loader_protect(struct dw_mipi_dsi *dsi, bool on)
{
if (on)
pm_runtime_get_sync(dsi->dev);
else
pm_runtime_put(dsi->dev);
if (dsi->slave)
dw_mipi_dsi_loader_protect(dsi->slave, on);
return 0;
}
static int dw_mipi_dsi_encoder_loader_protect(struct drm_encoder *encoder,
bool on)
{
struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
if (dsi->panel)
drm_panel_loader_protect(dsi->panel, on);
return dw_mipi_dsi_loader_protect(dsi, on);
}
static const struct drm_encoder_helper_funcs
dw_mipi_dsi_encoder_helper_funcs = {
.enable = dw_mipi_dsi_encoder_enable,
.disable = dw_mipi_dsi_encoder_disable,
.atomic_check = dw_mipi_dsi_encoder_atomic_check,
.atomic_mode_set = dw_mipi_dsi_encoder_atomic_mode_set,
.loader_protect = dw_mipi_dsi_encoder_loader_protect,
};
static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = {
@@ -1443,6 +1468,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
if (IS_ERR(dsi->panel))
return -EPROBE_DEFER;
encoder->port = dev->of_node;
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm,
dev->of_node);
/*
@@ -1463,6 +1489,8 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
drm_encoder_helper_add(encoder, &dw_mipi_dsi_encoder_helper_funcs);
connector->port = dev->of_node;
drm_connector_init(drm, connector, &dw_mipi_dsi_atomic_connector_funcs,
DRM_MODE_CONNECTOR_DSI);
drm_connector_helper_add(connector,
@@ -1475,6 +1503,10 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
goto err_cleanup;
}
pm_runtime_enable(dsi->dev);
if (dsi->slave)
pm_runtime_enable(dsi->slave->dev);
return 0;
err_cleanup:
@@ -1488,6 +1520,10 @@ static void dw_mipi_dsi_unbind(struct device *dev, struct device *master,
{
struct dw_mipi_dsi *dsi = dev_get_drvdata(dev);
pm_runtime_disable(dsi->dev);
if (dsi->slave)
pm_runtime_disable(dsi->slave->dev);
drm_panel_detach(dsi->panel);
dsi->connector.funcs->destroy(&dsi->connector);
@@ -1656,8 +1692,6 @@ static int dw_mipi_dsi_probe(struct platform_device *pdev)
return ret;
}
pm_runtime_enable(dev);
return component_add(&pdev->dev, &dw_mipi_dsi_ops);
}
@@ -1667,7 +1701,6 @@ static int dw_mipi_dsi_remove(struct platform_device *pdev)
component_del(dsi->dev, &dw_mipi_dsi_ops);
mipi_dsi_host_unregister(&dsi->host);
pm_runtime_disable(dsi->dev);
return 0;
}