diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2019-12-02 12:15:55 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2019-12-10 14:26:13 +0100 |
| commit | 83be6a3ceb11bd1d5c8d83835b2a42f233198b67 (patch) | |
| tree | dc585ec8ba749e3ddf79ccf63407054ad4ed3765 /drivers/gpu/drm/ast | |
| parent | drm/ast: Add plane atomic_check() functions (diff) | |
| download | linux-83be6a3ceb11bd1d5c8d83835b2a42f233198b67.tar.xz linux-83be6a3ceb11bd1d5c8d83835b2a42f233198b67.zip | |
drm/ast: Introduce struct ast_crtc_state
AST-specific CRTC state can be placed in the new struct ast_crtc_state.
The atomic check functions of the CRTC and the primary plane will store
the VBIOS mode info and the framebuffer format here. The CRTC will consume
these during atomic_flush().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191202111557.15176-6-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/ast')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 29 |
2 files changed, 33 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 49557a73390f..e13afb8a706f 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -281,6 +281,12 @@ struct ast_vbios_mode_info { const struct ast_vbios_enhtable *enh_table; }; +struct ast_crtc_state { + struct drm_crtc_state base; +}; + +#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) + extern int ast_mode_init(struct drm_device *dev); extern void ast_mode_fini(struct drm_device *dev); diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 59c0c702857d..ad2e0562ec55 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -884,6 +884,31 @@ static void ast_crtc_destroy(struct drm_crtc *crtc) kfree(crtc); } +static struct drm_crtc_state * +ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) +{ + struct ast_crtc_state *new_ast_state; + + if (WARN_ON(!crtc->state)) + return NULL; + + new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); + if (!new_ast_state) + return NULL; + __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); + + return &new_ast_state->base; +} + +static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct ast_crtc_state *ast_state = to_ast_crtc_state(state); + + __drm_atomic_helper_crtc_destroy_state(&ast_state->base); + kfree(ast_state); +} + static const struct drm_crtc_funcs ast_crtc_funcs = { .reset = drm_atomic_helper_crtc_reset, .set_config = drm_crtc_helper_set_config, @@ -891,8 +916,8 @@ static const struct drm_crtc_funcs ast_crtc_funcs = { .destroy = ast_crtc_destroy, .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, - .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, + .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, + .atomic_destroy_state = ast_crtc_atomic_destroy_state, }; static int ast_crtc_init(struct drm_device *dev) |