mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-06 21:14:18 +00:00
8c7c767a5e
Fix compile-time warnings
drivers/gpu/drm/bridge/analogix/analogix-i2c-dptx.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/aux-bridge.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/aux-hpd-bridge.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/imx/imx-legacy-bridge.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/panel.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/samsung-dsim.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/drm_bridge.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/gpu/drm/drm_bridge_helper.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: a934a57a42 ("scripts/misc-check: check missing #include <linux/export.h> when W=1")
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250612121633.229222-4-tzimmermann@suse.de
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Freescale i.MX drm driver
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*
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* bridge driver for legacy DT bindings, utilizing display-timings node
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*/
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#include <linux/export.h>
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#include <drm/drm_bridge.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/bridge/imx.h>
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#include <video/of_display_timing.h>
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#include <video/of_videomode.h>
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struct imx_legacy_bridge {
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struct drm_bridge base;
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struct drm_display_mode mode;
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u32 bus_flags;
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};
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#define to_imx_legacy_bridge(bridge) container_of(bridge, struct imx_legacy_bridge, base)
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static int imx_legacy_bridge_attach(struct drm_bridge *bridge,
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struct drm_encoder *encoder,
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enum drm_bridge_attach_flags flags)
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{
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if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
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return -EINVAL;
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return 0;
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}
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static int imx_legacy_bridge_get_modes(struct drm_bridge *bridge,
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struct drm_connector *connector)
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{
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struct imx_legacy_bridge *imx_bridge = to_imx_legacy_bridge(bridge);
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int ret;
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ret = drm_connector_helper_get_modes_fixed(connector, &imx_bridge->mode);
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if (ret)
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return ret;
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connector->display_info.bus_flags = imx_bridge->bus_flags;
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return 0;
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}
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struct drm_bridge_funcs imx_legacy_bridge_funcs = {
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.attach = imx_legacy_bridge_attach,
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.get_modes = imx_legacy_bridge_get_modes,
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};
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struct drm_bridge *devm_imx_drm_legacy_bridge(struct device *dev,
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struct device_node *np,
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int type)
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{
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struct imx_legacy_bridge *imx_bridge;
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int ret;
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imx_bridge = devm_drm_bridge_alloc(dev, struct imx_legacy_bridge,
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base, &imx_legacy_bridge_funcs);
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if (IS_ERR(imx_bridge))
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return ERR_CAST(imx_bridge);
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ret = of_get_drm_display_mode(np,
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&imx_bridge->mode,
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&imx_bridge->bus_flags,
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OF_USE_NATIVE_MODE);
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if (ret)
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return ERR_PTR(ret);
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imx_bridge->mode.type |= DRM_MODE_TYPE_DRIVER;
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imx_bridge->base.of_node = np;
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imx_bridge->base.ops = DRM_BRIDGE_OP_MODES;
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imx_bridge->base.type = type;
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ret = devm_drm_bridge_add(dev, &imx_bridge->base);
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if (ret)
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return ERR_PTR(ret);
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return &imx_bridge->base;
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}
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EXPORT_SYMBOL_GPL(devm_imx_drm_legacy_bridge);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Freescale i.MX DRM bridge driver for legacy DT bindings");
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