From: Maxime Ripard maxime@cerno.tech
[ Upstream commit a43dd76bacd0d5441a4c84f60d64bdfaedc95bac ]
The new devm_drm_of_get_bridge removes most of the boilerplate we have to deal with. Let's switch to it.
Signed-off-by: Maxime Ripard maxime@cerno.tech Acked-by: Sam Ravnborg sam@ravnborg.org Link: https://patchwork.freedesktop.org/patch/msgid/20210910130941.1740182-4-maxim... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/vc4/vc4_dsi.c | 28 ++++------------------------ 1 file changed, 4 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c index ca8506316660..64dfefeb03f5 100644 --- a/drivers/gpu/drm/vc4/vc4_dsi.c +++ b/drivers/gpu/drm/vc4/vc4_dsi.c @@ -1493,7 +1493,6 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) struct drm_device *drm = dev_get_drvdata(master); struct vc4_dsi *dsi = dev_get_drvdata(dev); struct vc4_dsi_encoder *vc4_dsi_encoder; - struct drm_panel *panel; const struct of_device_id *match; dma_cap_mask_t dma_mask; int ret; @@ -1605,27 +1604,9 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) return ret; }
- ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, - &panel, &dsi->bridge); - if (ret) { - /* If the bridge or panel pointed by dev->of_node is not - * enabled, just return 0 here so that we don't prevent the DRM - * dev from being registered. Of course that means the DSI - * encoder won't be exposed, but that's not a problem since - * nothing is connected to it. - */ - if (ret == -ENODEV) - return 0; - - return ret; - } - - if (panel) { - dsi->bridge = devm_drm_panel_bridge_add_typed(dev, panel, - DRM_MODE_CONNECTOR_DSI); - if (IS_ERR(dsi->bridge)) - return PTR_ERR(dsi->bridge); - } + dsi->bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); + if (IS_ERR(dsi->bridge)) + return PTR_ERR(dsi->bridge);
/* The esc clock rate is supposed to always be 100Mhz. */ ret = clk_set_rate(dsi->escape_clock, 100 * 1000000); @@ -1663,8 +1644,7 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master, { struct vc4_dsi *dsi = dev_get_drvdata(dev);
- if (dsi->bridge) - pm_runtime_disable(dev); + pm_runtime_disable(dev);
/* * Restore the bridge_chain so the bridge detach procedure can happen