diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 12dc94854410..9cfad3defa61 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -367,6 +367,30 @@ static void mdp5_crtc_enable(struct drm_crtc *crtc) mdp5_crtc->enabled = true; } +int mdp5_crtc_setup_pipeline(struct drm_crtc *crtc, + struct drm_crtc_state *new_crtc_state) +{ + struct mdp5_crtc_state *mdp5_cstate = + to_mdp5_crtc_state(new_crtc_state); + struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline; + bool new_mixer = false; + + new_mixer = !pipeline->mixer; + + if (new_mixer) { + struct mdp5_hw_mixer *old_mixer = pipeline->mixer; + + pipeline->mixer = mdp5_mixer_assign(new_crtc_state->state, crtc, + MDP_LM_CAP_DISPLAY); + if (IS_ERR(pipeline->mixer)) + return PTR_ERR(pipeline->mixer); + + mdp5_mixer_release(new_crtc_state->state, old_mixer); + } + + return 0; +} + struct plane_state { struct drm_plane *plane; struct mdp5_plane_state *state; @@ -399,6 +423,7 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, const struct drm_plane_state *pstate; bool cursor_plane = false; int cnt = 0, base = 0, i; + int ret; DBG("%s: check", crtc->name); @@ -412,6 +437,12 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, cursor_plane = true; } + ret = mdp5_crtc_setup_pipeline(crtc, state); + if (ret) { + dev_err(dev->dev, "couldn't assign mixers %d\n", ret); + return ret; + } + /* assign a stage based on sorted zpos property */ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL); |