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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-07 17:16:03 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-07 21:36:28 +0100 |
| commit | da7bdda2afdf1ae58546218b50771c2c646bb079 (patch) | |
| tree | acfc6c3e7f36f9726853be233d402e6b201c2215 /drivers/gpu/drm/drm_fb_helper.c | |
| parent | ed84e2542d2278bf1eff14b6bbd60ba74c8a5602 (diff) | |
| download | talos-obmc-linux-da7bdda2afdf1ae58546218b50771c2c646bb079.tar.gz talos-obmc-linux-da7bdda2afdf1ae58546218b50771c2c646bb079.zip | |
drm/fb-helper: Automatically clean up fb_info
Noticed that everyone duplicates the same logic here and we could safe
a few lines per driver. Yay for lots of drivers to make such tiny
refactors worth-while!
v2: Forgot to git add everything :(
v3: Actually remove release_fbi (Sean, Emil, Chris) ...
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207161603.17611-1-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index d207ea376c0a..c91240598471 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -781,7 +781,9 @@ EXPORT_SYMBOL(drm_fb_helper_init); * @fb_helper: driver-allocated fbdev helper * * A helper to alloc fb_info and the members cmap and apertures. Called - * by the driver within the fb_probe fb_helper callback function. + * by the driver within the fb_probe fb_helper callback function. Drivers do not + * need to release the allocated fb_info structure themselves, this is + * automatically done when calling drm_fb_helper_fini(). * * RETURNS: * fb_info pointer if things went okay, pointer containing error code @@ -835,29 +837,6 @@ void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) EXPORT_SYMBOL(drm_fb_helper_unregister_fbi); /** - * drm_fb_helper_release_fbi - dealloc fb_info and its members - * @fb_helper: driver-allocated fbdev helper - * - * A helper to free memory taken by fb_info and the members cmap and - * apertures - */ -void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper) -{ - if (fb_helper) { - struct fb_info *info = fb_helper->fbdev; - - if (info) { - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - - fb_helper->fbdev = NULL; - } -} -EXPORT_SYMBOL(drm_fb_helper_release_fbi); - -/** * drm_fb_helper_fini - finialize a &struct drm_fb_helper * @fb_helper: driver-allocated fbdev helper * @@ -866,9 +845,19 @@ EXPORT_SYMBOL(drm_fb_helper_release_fbi); */ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) { - if (!drm_fbdev_emulation) + struct fb_info *info; + + if (!drm_fbdev_emulation || !fb_helper) return; + info = fb_helper->fbdev; + if (info) { + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + fb_helper->fbdev = NULL; + mutex_lock(&kernel_fb_helper_lock); if (!list_empty(&fb_helper->kernel_fb_list)) { list_del(&fb_helper->kernel_fb_list); |
