From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Readout the dbuf related stuff during driver init/resume and
stick it into our dbuf state.
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 4 --
drivers/gpu/drm/i915/intel_pm.c | 48 +++++++++++++++++++-
2 files changed, 46 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 776929220d8c..9ea5ad508599 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14422,14 +14422,10 @@ void intel_modeset_init_hw(struct drm_i915_private *i915)
{
struct intel_cdclk_state *cdclk_state =
to_intel_cdclk_state(i915->cdclk.obj.state);
- struct intel_dbuf_state *dbuf_state =
- to_intel_dbuf_state(i915->dbuf.obj.state);
intel_update_cdclk(i915);
intel_dump_cdclk_config(&i915->cdclk.hw, "Current CDCLK");
cdclk_state->logical = cdclk_state->actual = i915->cdclk.hw;
-
- dbuf_state->enabled_slices = i915->dbuf.enabled_slices;
}
static int sanitize_watermarks_add_affected(struct drm_atomic_state *state)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e7c2910e8d87..a429e22a22ca 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5661,6 +5661,18 @@ static bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
return a->start < b->end && b->start < a->end;
}
+static void skl_ddb_entry_union(struct skl_ddb_entry *a,
+ const struct skl_ddb_entry *b)
+{
+ if (a->end && b->end) {
+ a->start = min(a->start, b->start);
+ a->end = max(a->end, b->end);
+ } else if (b->end) {
+ a->start = b->start;
+ a->end = b->end;
+ }
+}
+
bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
const struct skl_ddb_entry *entries,
int num_entries, int ignore_idx)
@@ -6174,15 +6186,47 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
{
+ struct intel_dbuf_state *dbuf_state =
+ to_intel_dbuf_state(dev_priv->dbuf.obj.state);
struct intel_crtc *crtc;
- struct intel_crtc_state *crtc_state;
for_each_intel_crtc(&dev_priv->drm, crtc) {
- crtc_state = to_intel_crtc_state(crtc->base.state);
+ struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
+ enum pipe pipe = crtc->pipe;
+ enum plane_id plane_id;
skl_pipe_wm_get_hw_state(crtc, &crtc_state->wm.skl.optimal);
crtc_state->wm.skl.raw = crtc_state->wm.skl.optimal;
+
+ memset(&dbuf_state->ddb[pipe], 0, sizeof(dbuf_state->ddb[pipe]));
+
+ for_each_plane_id_on_crtc(crtc, plane_id) {
+ struct skl_ddb_entry *ddb_y =
+ &crtc_state->wm.skl.plane_ddb_y[plane_id];
+ struct skl_ddb_entry *ddb_uv =
+ &crtc_state->wm.skl.plane_ddb_uv[plane_id];
+
+ skl_ddb_get_hw_plane_state(dev_priv, crtc->pipe,
+ plane_id, ddb_y, ddb_uv);
+
+ skl_ddb_entry_union(&dbuf_state->ddb[pipe], ddb_y);
+ skl_ddb_entry_union(&dbuf_state->ddb[pipe], ddb_uv);
+ }
+
+ dbuf_state->slices[pipe] =
+ skl_compute_dbuf_slices(crtc, dbuf_state->active_pipes);
+
+ dbuf_state->weight[pipe] = intel_crtc_ddb_weight(crtc_state);
+
+ drm_dbg_kms(&dev_priv->drm,
+ "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
+ crtc->base.base.id, crtc->base.name,
+ dbuf_state->slices[pipe], dbuf_state->ddb[pipe].start,
+ dbuf_state->ddb[pipe].end, dbuf_state->active_pipes);
}
+
+ dbuf_state->enabled_slices = dev_priv->dbuf.enabled_slices;
}
static void ilk_pipe_wm_get_hw_state(struct intel_crtc *crtc)
--
2.26.2
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