diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a92d57d9b759..d40d22eb65da 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7806,3 +7806,40 @@ int intel_dbuf_init(struct drm_i915_private *dev_priv) return 0; } + +void intel_dbuf_pre_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + const struct intel_dbuf_state *new_dbuf_state = + intel_atomic_get_new_dbuf_state(state); + const struct intel_dbuf_state *old_dbuf_state = + intel_atomic_get_old_dbuf_state(state); + + if (!new_dbuf_state || + new_dbuf_state->enabled_slices == old_dbuf_state->enabled_slices) + return; + + WARN_ON(!new_dbuf_state->base.changed); + + gen9_dbuf_slices_update(dev_priv, + old_dbuf_state->enabled_slices | + new_dbuf_state->enabled_slices); +} + +void intel_dbuf_post_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + const struct intel_dbuf_state *new_dbuf_state = + intel_atomic_get_new_dbuf_state(state); + const struct intel_dbuf_state *old_dbuf_state = + intel_atomic_get_old_dbuf_state(state); + + if (!new_dbuf_state || + new_dbuf_state->enabled_slices == old_dbuf_state->enabled_slices) + return; + + WARN_ON(!new_dbuf_state->base.changed); + + gen9_dbuf_slices_update(dev_priv, + new_dbuf_state->enabled_slices); +} |