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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2019-11-06 15:47:26 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2019-11-07 11:39:53 +0300 |
| commit | 80ae0369d3e4b8559c04e2b4de2b86640908f2fd (patch) | |
| tree | f19121f5ff1cd2a112be70105d9b805b57b47658 /Documentation/gpu | |
| parent | 50ec5b563bed04b0b262822b755f6aa336f1f40a (diff) | |
| download | linux-80ae0369d3e4b8559c04e2b4de2b86640908f2fd.tar.xz | |
drm/todo: Convert drivers to generic fbdev emulation
This replaces the original TODO item for drm_fb_helper_fbdev_setup()
and _teardown(), which are deprecated.
v2:
* remove driver-specific comments
* list some basic requirements
* keep a TODO item on drm_fb_helper_init()
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191106124727.11641-2-tzimmermann@suse.de
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/todo.rst | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index b3c0d517db93..3ec509381fc5 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -171,21 +171,12 @@ Contact: Maintainer of the driver you plan to convert Level: Intermediate -Convert drivers to use drm_fb_helper_fbdev_setup/teardown() ------------------------------------------------------------ +Convert drivers to use drm_fbdev_generic_setup() +------------------------------------------------ -Most drivers can use drm_fb_helper_fbdev_setup() except maybe: - -- amdgpu which has special logic to decide whether to call - drm_helper_disable_unused_functions() - -- armada which isn't atomic and doesn't call - drm_helper_disable_unused_functions() - -- i915 which calls drm_fb_helper_initial_config() in a worker - -Drivers that use drm_framebuffer_remove() to clean up the fbdev framebuffer can -probably use drm_fb_helper_fbdev_teardown(). +Most drivers can use drm_fbdev_generic_setup(). Driver have to implement +atomic modesetting and GEM vmap support. Current generic fbdev emulation +expects the framebuffer in system memory (or system-like memory). Contact: Maintainer of the driver you plan to convert @@ -328,8 +319,8 @@ drm_fb_helper tasks these igt tests need to be fixed: kms_fbcon_fbt@psr and kms_fbcon_fbt@psr-suspend. -- The max connector argument for drm_fb_helper_init() and - drm_fb_helper_fbdev_setup() isn't used anymore and can be removed. +- The max connector argument for drm_fb_helper_init() isn't used anymore and + can be removed. - The helper doesn't keep an array of connectors anymore so these can be removed: drm_fb_helper_single_add_all_connectors(), |