diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_plane_helper.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/solomon/ssd130x.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/tiny/simpledrm.c | 25 |
3 files changed, 32 insertions, 41 deletions
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index c7785967f5bf..db04d9a32ce8 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -278,3 +278,33 @@ void drm_plane_helper_destroy(struct drm_plane *plane) kfree(plane); } EXPORT_SYMBOL(drm_plane_helper_destroy); + +/** + * drm_plane_helper_atomic_check() - Helper to check plane atomic-state + * @plane: plane to check + * @state: atomic state object + * + * Provides a default plane-state check handler for planes whose atomic-state + * scale and positioning are not expected to change since the plane is always + * a fullscreen scanout buffer. + * + * This is often the case for the primary plane of simple framebuffers. + * + * RETURNS: + * Zero on success, or an errno code otherwise. + */ +int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) +{ + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_crtc *new_crtc = new_plane_state->crtc; + struct drm_crtc_state *new_crtc_state = NULL; + + if (new_crtc) + new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc); + + return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, + DRM_PLANE_NO_SCALING, + DRM_PLANE_NO_SCALING, + false, false); +} +EXPORT_SYMBOL(drm_plane_helper_atomic_check); diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index c95221fff474..7fae9480aa11 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -565,22 +565,6 @@ static int ssd130x_fb_blit_rect(struct drm_framebuffer *fb, const struct iosys_m return ret; } -static int ssd130x_primary_plane_helper_atomic_check(struct drm_plane *plane, - struct drm_atomic_state *new_state) -{ - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(new_state, plane); - struct drm_crtc *new_crtc = new_plane_state->crtc; - struct drm_crtc_state *new_crtc_state = NULL; - - if (new_crtc) - new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_crtc); - - return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, - DRM_PLANE_NO_SCALING, - DRM_PLANE_NO_SCALING, - false, false); -} - static void ssd130x_primary_plane_helper_atomic_update(struct drm_plane *plane, struct drm_atomic_state *old_state) { @@ -623,7 +607,7 @@ static void ssd130x_primary_plane_helper_atomic_disable(struct drm_plane *plane, static const struct drm_plane_helper_funcs ssd130x_primary_plane_helper_funcs = { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, - .atomic_check = ssd130x_primary_plane_helper_atomic_check, + .atomic_check = drm_plane_helper_atomic_check, .atomic_update = ssd130x_primary_plane_helper_atomic_update, .atomic_disable = ssd130x_primary_plane_helper_atomic_disable, }; diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 777ccd250871..ea5b3239a659 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -469,29 +469,6 @@ static const uint64_t simpledrm_primary_plane_format_modifiers[] = { DRM_FORMAT_MOD_INVALID }; -static int simpledrm_primary_plane_helper_atomic_check(struct drm_plane *plane, - struct drm_atomic_state *new_state) -{ - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(new_state, plane); - struct drm_crtc *new_crtc = new_plane_state->crtc; - struct drm_crtc_state *new_crtc_state = NULL; - int ret; - - if (new_crtc) - new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_crtc); - - ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, - DRM_PLANE_NO_SCALING, - DRM_PLANE_NO_SCALING, - false, false); - if (ret) - return ret; - else if (!new_plane_state->visible) - return 0; - - return 0; -} - static void simpledrm_primary_plane_helper_atomic_update(struct drm_plane *plane, struct drm_atomic_state *old_state) { @@ -543,7 +520,7 @@ static void simpledrm_primary_plane_helper_atomic_disable(struct drm_plane *plan static const struct drm_plane_helper_funcs simpledrm_primary_plane_helper_funcs = { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, - .atomic_check = simpledrm_primary_plane_helper_atomic_check, + .atomic_check = drm_plane_helper_atomic_check, .atomic_update = simpledrm_primary_plane_helper_atomic_update, .atomic_disable = simpledrm_primary_plane_helper_atomic_disable, }; |