Re: [PATCH 08/13] drm: remove drm_fb_helper_modinit
From: Daniel Vetter <hidden>
Date: 2021-01-21 08:28:44
Also in:
dri-devel, linux-kbuild, live-patching, lkml
On Thu, Jan 21, 2021 at 8:55 AM Christoph Hellwig [off-list ref] wrote:
drm_fb_helper_modinit has a lot of boilerplate for what is not very simple functionality. Just open code it in the only caller using IS_ENABLED and IS_MODULE. Signed-off-by: Christoph Hellwig <hch@lst.de>
I didn't spot any dependencies with your series, should I just merge this through drm trees? Or do you want an ack? -Daniel
quoted hunk ↗ jump to hunk
--- drivers/gpu/drm/drm_crtc_helper_internal.h | 10 --------- drivers/gpu/drm/drm_fb_helper.c | 16 ------------- drivers/gpu/drm/drm_kms_helper_common.c | 26 +++++++++++----------- 3 files changed, 13 insertions(+), 39 deletions(-)diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h index 25ce42e799952c..61e09f8a8d0ff0 100644 --- a/drivers/gpu/drm/drm_crtc_helper_internal.h +++ b/drivers/gpu/drm/drm_crtc_helper_internal.h@@ -32,16 +32,6 @@ #include <drm/drm_encoder.h> #include <drm/drm_modes.h> -/* drm_fb_helper.c */ -#ifdef CONFIG_DRM_FBDEV_EMULATION -int drm_fb_helper_modinit(void); -#else -static inline int drm_fb_helper_modinit(void) -{ - return 0; -} -#endif - /* drm_dp_aux_dev.c */ #ifdef CONFIG_DRM_DP_AUX_CHARDEV int drm_dp_aux_dev_init(void);diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index ce6d63ca75c32a..0b9f1ae1b7864c 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c@@ -2499,19 +2499,3 @@ void drm_fbdev_generic_setup(struct drm_device *dev, drm_client_register(&fb_helper->client); } EXPORT_SYMBOL(drm_fbdev_generic_setup); - -/* The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EXPERT) - * but the module doesn't depend on any fb console symbols. At least - * attempt to load fbcon to avoid leaving the system without a usable console. - */ -int __init drm_fb_helper_modinit(void) -{ -#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT) - const char name[] = "fbcon"; - - if (!module_loaded(name)) - request_module_nowait(name); -#endif - return 0; -} -EXPORT_SYMBOL(drm_fb_helper_modinit);diff --git a/drivers/gpu/drm/drm_kms_helper_common.c b/drivers/gpu/drm/drm_kms_helper_common.c index 221a8528c9937a..b694a7da632eae 100644 --- a/drivers/gpu/drm/drm_kms_helper_common.c +++ b/drivers/gpu/drm/drm_kms_helper_common.c@@ -64,19 +64,19 @@ MODULE_PARM_DESC(edid_firmware, static int __init drm_kms_helper_init(void) { - int ret; - - /* Call init functions from specific kms helpers here */ - ret = drm_fb_helper_modinit(); - if (ret < 0) - goto out; - - ret = drm_dp_aux_dev_init(); - if (ret < 0) - goto out; - -out: - return ret; + /* + * The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EXPERT) + * but the module doesn't depend on any fb console symbols. At least + * attempt to load fbcon to avoid leaving the system without a usable + * console. + */ + if (IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) && + IS_MODULE(CONFIG_FRAMEBUFFER_CONSOLE) && + !IS_ENABLED(CONFIG_EXPERT) && + !module_loaded("fbcon")) + request_module_nowait("fbcon"); + + return drm_dp_aux_dev_init(); } static void __exit drm_kms_helper_exit(void) --2.29.2
-- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch