detached 5cf3ac0

docs(drm): say protected frames never wake core

commit
5cf3ac072540bb27247aa807cb729da72b5aa05d
author
brice · · 2026-10-13 17:58 UTC
parent
3b71850
signature
GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email
1 file · +2 -0
Split
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M internal/adapters/drm/security.go +2 -0
@@ -113,6 +113,8 @@ func (o *Output) prepareSecurity(ctx context.Context, r ports.Renderer) error {
113113
114114 // Protected frames never enter client-fence KMS paths or capture pipelines.
115115 // Locker content is composed only after black preparation for this epoch.
116+// They never wake core: the pendingFrame has no animating flag, so core falls
117+// back to its frame timer while a lock is up. This is intentional.
116118 func (o *Output) submitProtectedFrame(ctx context.Context, r ports.Renderer, scene ports.Scene, surfaces map[ports.WindowID]ports.SurfaceContent, seen map[ports.WindowID]uint64) error {
117119 if !o.securityPrepared || !o.sceneCurrent(scene) {
118120 return errSecurityScene
@@ -113,6 +113,8 @@ func (o *Output) prepareSecurity(ctx context.Context, r ports.Renderer) error {
113 113
114 // Protected frames never enter client-fence KMS paths or capture pipelines.114 // Protected frames never enter client-fence KMS paths or capture pipelines.
115 // Locker content is composed only after black preparation for this epoch.115 // Locker content is composed only after black preparation for this epoch.
116+// They never wake core: the pendingFrame has no animating flag, so core falls
117+// back to its frame timer while a lock is up. This is intentional.
116 func (o *Output) submitProtectedFrame(ctx context.Context, r ports.Renderer, scene ports.Scene, surfaces map[ports.WindowID]ports.SurfaceContent, seen map[ports.WindowID]uint64) error {118 func (o *Output) submitProtectedFrame(ctx context.Context, r ports.Renderer, scene ports.Scene, surfaces map[ports.WindowID]ports.SurfaceContent, seen map[ports.WindowID]uint64) error {
117 if !o.securityPrepared || !o.sceneCurrent(scene) {119 if !o.securityPrepared || !o.sceneCurrent(scene) {
118 return errSecurityScene120 return errSecurityScene

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