diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c index a62109e4ae0d..d847b9436194 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c @@ -125,6 +125,38 @@ out: return ret; } +static void mdp4_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *state) +{ + struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms)); + int i, ncrtcs = state->dev->mode_config.num_crtc; + + mdp4_enable(mdp4_kms); + + /* see 119ecb7fd */ + for (i = 0; i < ncrtcs; i++) { + struct drm_crtc *crtc = state->crtcs[i]; + if (!crtc) + continue; + drm_crtc_vblank_get(crtc); + } +} + +static void mdp4_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state) +{ + struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms)); + int i, ncrtcs = state->dev->mode_config.num_crtc; + + /* see 119ecb7fd */ + for (i = 0; i < ncrtcs; i++) { + struct drm_crtc *crtc = state->crtcs[i]; + if (!crtc) + continue; + drm_crtc_vblank_put(crtc); + } + + mdp4_disable(mdp4_kms); +} + static long mdp4_round_pixclk(struct msm_kms *kms, unsigned long rate, struct drm_encoder *encoder) { @@ -161,6 +193,8 @@ static const struct mdp_kms_funcs kms_funcs = { .irq = mdp4_irq, .enable_vblank = mdp4_enable_vblank, .disable_vblank = mdp4_disable_vblank, + .prepare_commit = mdp4_prepare_commit, + .complete_commit = mdp4_complete_commit, .get_format = mdp_get_format, .round_pixclk = mdp4_round_pixclk, .preclose = mdp4_preclose, |