summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 7f1748a1e614..fe6c1c61c388 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3362,13 +3362,15 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
int num_active;
int id, i;
+ /* Clear the partitioning for disabled planes. */
+ memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
+ memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe]));
+
if (WARN_ON(!state))
return 0;
if (!cstate->base.active) {
ddb->pipe[pipe].start = ddb->pipe[pipe].end = 0;
- memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
- memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe]));
return 0;
}
@@ -4054,6 +4056,12 @@ skl_compute_ddb(struct drm_atomic_state *state)
intel_state->wm_results.dirty_pipes = ~0;
}
+ /*
+ * We're not recomputing for the pipes not included in the commit, so
+ * make sure we start with the current state.
+ */
+ memcpy(ddb, &dev_priv->wm.skl_hw.ddb, sizeof(*ddb));
+
for_each_intel_crtc_mask(dev, intel_crtc, realloc_pipes) {
struct intel_crtc_state *cstate;
OpenPOWER on IntegriCloud