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| author | Dave Airlie <airlied@redhat.com> | 2023-03-14 12:17:27 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2023-03-14 12:18:54 +1000 |
| commit | faf0d83e103e38e8bf7cc4e56da1a2edb9dfdf74 (patch) | |
| tree | 5b0b838b0a7ac085d408e68207fe2748e2360357 /drivers/video/fbdev/core/fb_cmdline.c | |
| parent | Linux 6.3-rc2 (diff) | |
| parent | drm/nouveau/hwmon: Use sysfs_emit in show function callsbacks (diff) | |
| download | linux-faf0d83e103e38e8bf7cc4e56da1a2edb9dfdf74.tar.gz linux-faf0d83e103e38e8bf7cc4e56da1a2edb9dfdf74.zip | |
Merge tag 'drm-misc-next-2023-03-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.4-rc1:
Note: Only changes since pull request from 2023-02-23 are included here.
UAPI Changes:
- Convert rockchip bindings to YAML.
- Constify kobj_type structure in dma-buf.
- FBDEV cmdline parser fixes, and other small fbdev fixes for mode
parsing.
Cross-subsystem Changes:
- Add Neil Armstrong as linaro maintainer.
- Actually signal the private stub dma-fence.
Core Changes:
- Add function for adding syncobj dep to sched_job and use it in panfrost, v3d.
- Improve DisplayID 2.0 topology parsing and EDID parsing in general.
- Add a gem eviction function and callback for generic GEM shrinker
purposes.
- Prepare to convert shmem helper to use the GEM reservation lock instead of own
locking. (Actual commit itself got reverted for now)
- Move the suballocator from radeon and amdgpu drivers to core in preparation
for Xe.
- Assorted small fixes and documentation.
- Fixes to HPD polling.
- Assorted small fixes in simpledrm, bridge, accel, shmem-helper,
and the selftest of format-helper.
- Remove dummy resource when ttm bo is created, and during pipelined
gutting. Fix all drivers to accept a NULL ttm_bo->resource.
- Handle pinned BO moving prevention in ttm core.
- Set drm panel-bridge orientation before connector is registered.
- Remove dumb_destroy callback.
- Add documentation to GEM_CLOSE, PRIME_HANDLE_TO_FD, PRIME_FD_TO_HANDLE, GETFB2 ioctl's.
- Add atomic enable_plane callback, use it in ast, mgag200, tidss.
Driver Changes:
- Use drm_gem_objects_lookup in vc4.
- Assorted small fixes to virtio, ast, bridge/tc358762, meson, nouveau.
- Allow virtio KMS to be disabled and compiled out.
- Add Radxa 8/10HD, Samsung AMS495QA01 panels.
- Fix ivpu compiler errors.
- Assorted fixes to drm/panel, malidp, rockchip, ivpu, amdgpu, vgem,
nouveau, vc4.
- Assorted cleanups, simplifications and fixes to vmwgfx.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ac1f5186-54bb-02f4-ac56-907f5b76f3de@linux.intel.com
Diffstat (limited to 'drivers/video/fbdev/core/fb_cmdline.c')
| -rw-r--r-- | drivers/video/fbdev/core/fb_cmdline.c | 94 |
1 files changed, 24 insertions, 70 deletions
diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c index 3b5bd666b952..4d1634c492ec 100644 --- a/drivers/video/fbdev/core/fb_cmdline.c +++ b/drivers/video/fbdev/core/fb_cmdline.c @@ -12,16 +12,14 @@ * for more details. * * Authors: - * Vetter <danie.vetter@ffwll.ch> + * Daniel Vetter <daniel.vetter@ffwll.ch> */ -#include <linux/init.h> -#include <linux/fb.h> -static char *video_options[FB_MAX] __read_mostly; -static int ofonly __read_mostly; +#include <linux/export.h> +#include <linux/fb.h> +#include <linux/string.h> -const char *fb_mode_option; -EXPORT_SYMBOL_GPL(fb_mode_option); +#include <video/cmdline.h> /** * fb_get_options - get kernel boot parameters @@ -30,78 +28,34 @@ EXPORT_SYMBOL_GPL(fb_mode_option); * (video=<name>:<options>) * @option: the option will be stored here * + * The caller owns the string returned in @option and is + * responsible for releasing the memory. + * * NOTE: Needed to maintain backwards compatibility */ int fb_get_options(const char *name, char **option) { - char *opt, *options = NULL; - int retval = 0; - int name_len = strlen(name), i; - - if (name_len && ofonly && strncmp(name, "offb", 4)) - retval = 1; + const char *options = NULL; + bool is_of = false; + bool enabled; - if (name_len && !retval) { - for (i = 0; i < FB_MAX; i++) { - if (video_options[i] == NULL) - continue; - if (!video_options[i][0]) - continue; - opt = video_options[i]; - if (!strncmp(name, opt, name_len) && - opt[name_len] == ':') - options = opt + name_len + 1; - } - } - /* No match, pass global option */ - if (!options && option && fb_mode_option) - options = kstrdup(fb_mode_option, GFP_KERNEL); - if (options && !strncmp(options, "off", 3)) - retval = 1; - - if (option) - *option = options; - - return retval; -} -EXPORT_SYMBOL(fb_get_options); + if (name) + is_of = strncmp(name, "offb", 4); -/** - * video_setup - process command line options - * @options: string of options - * - * Process command line options for frame buffer subsystem. - * - * NOTE: This function is a __setup and __init function. - * It only stores the options. Drivers have to call - * fb_get_options() as necessary. - */ -static int __init video_setup(char *options) -{ - if (!options || !*options) - goto out; + enabled = __video_get_options(name, &options, is_of); - if (!strncmp(options, "ofonly", 6)) { - ofonly = 1; - goto out; + if (options) { + if (!strncmp(options, "off", 3)) + enabled = false; } - if (strchr(options, ':')) { - /* named */ - int i; - - for (i = 0; i < FB_MAX; i++) { - if (video_options[i] == NULL) { - video_options[i] = options; - break; - } - } - } else { - /* global */ - fb_mode_option = options; + if (option) { + if (options) + *option = kstrdup(options, GFP_KERNEL); + else + *option = NULL; } -out: - return 1; + return enabled ? 0 : 1; // 0 on success, 1 otherwise } -__setup("video=", video_setup); +EXPORT_SYMBOL(fb_get_options); |
