diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cursor.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c index ecff90e233f0..f8b33999d43f 100644 --- a/drivers/gpu/drm/i915/display/intel_cursor.c +++ b/drivers/gpu/drm/i915/display/intel_cursor.c @@ -22,6 +22,7 @@ #include "intel_frontbuffer.h" #include "intel_psr.h" #include "intel_psr_regs.h" +#include "intel_vblank.h" #include "skl_watermark.h" #include "gem/i915_gem_object.h" @@ -665,12 +666,14 @@ intel_legacy_cursor_update(struct drm_plane *_plane, { struct intel_plane *plane = to_intel_plane(_plane); struct intel_crtc *crtc = to_intel_crtc(_crtc); + struct drm_i915_private *i915 = to_i915(plane->base.dev); struct intel_plane_state *old_plane_state = to_intel_plane_state(plane->base.state); struct intel_plane_state *new_plane_state; struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state); struct intel_crtc_state *new_crtc_state; + struct intel_vblank_evade_ctx evade; int ret; /* @@ -763,13 +766,25 @@ intel_legacy_cursor_update(struct drm_plane *_plane, */ crtc_state->active_planes = new_crtc_state->active_planes; - /* - * Technically we should do a vblank evasion here to make - * sure all the cursor registers update on the same frame. - * For now just make sure the register writes happen as - * quickly as possible to minimize the race window. - */ - local_irq_disable(); + intel_vblank_evade_init(crtc_state, crtc_state, &evade); + + intel_psr_lock(crtc_state); + + if (!drm_WARN_ON(&i915->drm, drm_crtc_vblank_get(&crtc->base))) { + /* + * TODO: maybe check if we're still in PSR + * and skip the vblank evasion entirely? + */ + intel_psr_wait_for_idle_locked(crtc_state); + + local_irq_disable(); + + intel_vblank_evade(&evade); + + drm_crtc_vblank_put(&crtc->base); + } else { + local_irq_disable(); + } if (new_plane_state->uapi.visible) { intel_plane_update_noarm(plane, crtc_state, new_plane_state); @@ -780,6 +795,8 @@ intel_legacy_cursor_update(struct drm_plane *_plane, local_irq_enable(); + intel_psr_unlock(crtc_state); + intel_plane_unpin_fb(old_plane_state); out_free: |