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path: root/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
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Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c34
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,
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