From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Split ilk_update_wm() into two parts; one doing the programming
and the other the calculations.
v2: Fix typo in commit message
v3 (by Matt): Heavily rebased for current codebase.
Reviewed-by(v2): Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 36 +++++++++++++++++++++---------------
1 file changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 13b1cd3..dbff278 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3442,25 +3442,14 @@ skl_update_sprite_wm(struct drm_plane *plane, struct drm_crtc *crtc,
skl_update_wm(crtc);
}
-static void ilk_update_wm(struct drm_crtc *crtc)
+static void ilk_program_watermarks(struct drm_i915_private *dev_priv)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
- struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_device *dev = dev_priv->dev;
+ struct intel_pipe_wm lp_wm_1_2 = {}, lp_wm_5_6 = {}, *best_lp_wm;
struct ilk_wm_maximums max;
+ struct intel_wm_config config = {};
struct ilk_wm_values results = {};
enum intel_ddb_partitioning partitioning;
- struct intel_pipe_wm pipe_wm = {};
- struct intel_pipe_wm lp_wm_1_2 = {}, lp_wm_5_6 = {}, *best_lp_wm;
- struct intel_wm_config config = {};
-
- intel_compute_pipe_wm(cstate, &pipe_wm);
-
- if (!memcmp(&intel_crtc->wm.active, &pipe_wm, sizeof(pipe_wm)))
- return;
-
- intel_crtc->wm.active = pipe_wm;
ilk_compute_wm_config(dev, &config);
@@ -3486,6 +3475,23 @@ static void ilk_update_wm(struct drm_crtc *crtc)
ilk_write_wm_values(dev_priv, &results);
}
+static void ilk_update_wm(struct drm_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc->dev);
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
+ struct intel_pipe_wm pipe_wm = {};
+
+ intel_compute_pipe_wm(cstate, &pipe_wm);
+
+ if (!memcmp(&intel_crtc->wm.active, &pipe_wm, sizeof(pipe_wm)))
+ return;
+
+ intel_crtc->wm.active = pipe_wm;
+
+ ilk_program_watermarks(dev_priv);
+}
+
static void
ilk_update_sprite_wm(struct drm_plane *plane,
struct drm_crtc *crtc,
--
1.8.5.1
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