vlv_raw_plane_wm_is_valid(crtc_state, PLANE_CURSOR, level);
}
-static int vlv_compute_pipe_wm(struct intel_atomic_state *state,
- struct intel_crtc *crtc)
+static int _vlv_compute_pipe_wm(struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- struct intel_crtc_state *crtc_state =
- intel_atomic_get_new_crtc_state(state, crtc);
struct vlv_wm_state *wm_state = &crtc_state->wm.vlv.optimal;
const struct vlv_fifo_state *fifo_state =
&crtc_state->wm.vlv.fifo_state;
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
int num_active_planes = hweight8(active_planes);
- bool needs_modeset = drm_atomic_crtc_needs_modeset(&crtc_state->uapi);
- const struct intel_plane_state *old_plane_state;
- const struct intel_plane_state *new_plane_state;
- struct intel_plane *plane;
enum plane_id plane_id;
- int level, ret, i;
- unsigned int dirty = 0;
-
- for_each_oldnew_intel_plane_in_state(state, plane,
- old_plane_state,
- new_plane_state, i) {
- if (new_plane_state->hw.crtc != &crtc->base &&
- old_plane_state->hw.crtc != &crtc->base)
- continue;
-
- if (vlv_raw_plane_wm_compute(crtc_state, new_plane_state))
- dirty |= BIT(plane->id);
- }
-
- /*
- * DSPARB registers may have been reset due to the
- * power well being turned off. Make sure we restore
- * them to a consistent state even if no primary/sprite
- * planes are initially active.
- */
- if (needs_modeset)
- crtc_state->fifo_changed = true;
-
- if (!dirty)
- return 0;
-
- /* cursor changes don't warrant a FIFO recompute */
- if (dirty & ~BIT(PLANE_CURSOR)) {
- const struct intel_crtc_state *old_crtc_state =
- intel_atomic_get_old_crtc_state(state, crtc);
- const struct vlv_fifo_state *old_fifo_state =
- &old_crtc_state->wm.vlv.fifo_state;
-
- ret = vlv_compute_fifo(crtc_state);
- if (ret)
- return ret;
-
- if (needs_modeset ||
- memcmp(old_fifo_state, fifo_state,
- sizeof(*fifo_state)) != 0)
- crtc_state->fifo_changed = true;
- }
+ int level;
/* initially allow all levels */
wm_state->num_levels = intel_wm_num_levels(dev_priv);
return 0;
}
+static int vlv_compute_pipe_wm(struct intel_atomic_state *state,
+ struct intel_crtc *crtc)
+{
+ struct intel_crtc_state *crtc_state =
+ intel_atomic_get_new_crtc_state(state, crtc);
+ bool needs_modeset = drm_atomic_crtc_needs_modeset(&crtc_state->uapi);
+ const struct intel_plane_state *old_plane_state;
+ const struct intel_plane_state *new_plane_state;
+ struct intel_plane *plane;
+ unsigned int dirty = 0;
+ int i;
+
+ for_each_oldnew_intel_plane_in_state(state, plane,
+ old_plane_state,
+ new_plane_state, i) {
+ if (new_plane_state->hw.crtc != &crtc->base &&
+ old_plane_state->hw.crtc != &crtc->base)
+ continue;
+
+ if (vlv_raw_plane_wm_compute(crtc_state, new_plane_state))
+ dirty |= BIT(plane->id);
+ }
+
+ /*
+ * DSPARB registers may have been reset due to the
+ * power well being turned off. Make sure we restore
+ * them to a consistent state even if no primary/sprite
+ * planes are initially active. We also force a FIFO
+ * recomputation so that we are sure to sanitize the
+ * FIFO setting we took over from the BIOS even if there
+ * are no active planes on the crtc.
+ */
+ if (needs_modeset)
+ dirty = ~0;
+
+ if (!dirty)
+ return 0;
+
+ /* cursor changes don't warrant a FIFO recompute */
+ if (dirty & ~BIT(PLANE_CURSOR)) {
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+ const struct vlv_fifo_state *old_fifo_state =
+ &old_crtc_state->wm.vlv.fifo_state;
+ const struct vlv_fifo_state *new_fifo_state =
+ &crtc_state->wm.vlv.fifo_state;
+ int ret;
+
+ ret = vlv_compute_fifo(crtc_state);
+ if (ret)
+ return ret;
+
+ if (needs_modeset ||
+ memcmp(old_fifo_state, new_fifo_state,
+ sizeof(*new_fifo_state)) != 0)
+ crtc_state->fifo_changed = true;
+ }
+
+ return _vlv_compute_pipe_wm(crtc_state);
+}
+
#define VLV_FIFO(plane, value) \
(((value) << DSPARB_ ## plane ## _SHIFT_VLV) & DSPARB_ ## plane ## _MASK_VLV)