diff options
Diffstat (limited to 'drivers/gpu/drm/drm_simple_kms_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_simple_kms_helper.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c index e084f9f8ca66..39c203ad59db 100644 --- a/drivers/gpu/drm/drm_simple_kms_helper.c +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -37,10 +37,18 @@ static const struct drm_encoder_funcs drm_simple_kms_encoder_funcs = { static int drm_simple_kms_crtc_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { + bool has_primary = state->plane_mask & + BIT(drm_plane_index(crtc->primary)); + + /* We always want to have an active plane with an active CRTC */ + if (has_primary != state->enable) + return -EINVAL; + return drm_atomic_add_affected_planes(state->state, crtc); } -static void drm_simple_kms_crtc_enable(struct drm_crtc *crtc) +static void drm_simple_kms_crtc_enable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct drm_simple_display_pipe *pipe; @@ -51,7 +59,8 @@ static void drm_simple_kms_crtc_enable(struct drm_crtc *crtc) pipe->funcs->enable(pipe, crtc->state); } -static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc) +static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct drm_simple_display_pipe *pipe; @@ -64,8 +73,8 @@ static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc) static const struct drm_crtc_helper_funcs drm_simple_kms_crtc_helper_funcs = { .atomic_check = drm_simple_kms_crtc_check, - .disable = drm_simple_kms_crtc_disable, - .enable = drm_simple_kms_crtc_enable, + .atomic_enable = drm_simple_kms_crtc_enable, + .atomic_disable = drm_simple_kms_crtc_disable, }; static const struct drm_crtc_funcs drm_simple_kms_crtc_funcs = { @@ -88,9 +97,6 @@ static int drm_simple_kms_plane_atomic_check(struct drm_plane *plane, pipe = container_of(plane, struct drm_simple_display_pipe, plane); crtc_state = drm_atomic_get_new_crtc_state(plane_state->state, &pipe->crtc); - if (crtc_state->enable != !!plane_state->crtc) - return -EINVAL; /* plane must match crtc enable state */ - if (!crtc_state->enable) return 0; /* nothing to check when disabling or disabled */ |