This should not be done this late when nothing changed.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 3 +-
drivers/gpu/drm/i915/intel_drv.h | 13 ++++++++
drivers/gpu/drm/i915/intel_pm.c | 59 +++++++++++++++++++++---------------
3 files changed, 49 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index c3aa1d5bd23f..a8285fe429e1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12029,7 +12029,8 @@ static int intel_crtc_atomic_check(struct drm_crtc
*crtc,
}
ret = 0;
- if (dev_priv->display.compute_pipe_wm) {
+ if (dev_priv->display.compute_pipe_wm &&
+ (mode_changed || pipe_config->update_pipe ||
crtc_state->planes_changed)) {
ret = dev_priv->display.compute_pipe_wm(intel_crtc, state);
if (ret) {
DRM_DEBUG_KMS("Target pipe watermarks are invalid\n");
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index ec89659e5d0d..1fea7a1a3ed1 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1606,6 +1606,19 @@ intel_atomic_get_crtc_state(struct drm_atomic_state
*state,
return to_intel_crtc_state(crtc_state);
}
+
+static inline struct intel_plane_state *
+intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,
+ struct intel_plane *plane)
+{
+ struct drm_plane_state *plane_state;
+
+ plane_state = drm_atomic_get_existing_plane_state(state, &plane->base);
+
+ return to_intel_plane_state(plane_state);
+}
+
+
int intel_atomic_setup_scalers(struct drm_device *dev,
struct intel_crtc *intel_crtc,
struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9df9e9a22f3c..482c684a116b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2005,11 +2005,18 @@ static void ilk_compute_wm_level(const struct
drm_i915_private *dev_priv,
cur_latency *= 5;
}
- result->pri_val = ilk_compute_pri_wm(cstate, pristate,
- pri_latency, level);
- result->spr_val = ilk_compute_spr_wm(cstate, sprstate, spr_latency);
- result->cur_val = ilk_compute_cur_wm(cstate, curstate, cur_latency);
- result->fbc_val = ilk_compute_fbc_wm(cstate, pristate, result->pri_val);
+ if (pristate) {
+ result->pri_val = ilk_compute_pri_wm(cstate, pristate,
+ pri_latency, level);
+ result->fbc_val = ilk_compute_fbc_wm(cstate, pristate,
result->pri_val);
+ }
+
+ if (sprstate)
+ result->spr_val = ilk_compute_spr_wm(cstate, sprstate,
spr_latency);
+
+ if (curstate)
+ result->cur_val = ilk_compute_cur_wm(cstate, curstate,
cur_latency);
+
result->enable = true;
}
@@ -2305,7 +2312,6 @@ static int ilk_compute_pipe_wm(struct intel_crtc
*intel_crtc,
const struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc_state *cstate = NULL;
struct intel_plane *intel_plane;
- struct drm_plane_state *ps;
struct intel_plane_state *pristate = NULL;
struct intel_plane_state *sprstate = NULL;
struct intel_plane_state *curstate = NULL;
@@ -2319,27 +2325,32 @@ static int ilk_compute_pipe_wm(struct intel_crtc
*intel_crtc,
pipe_wm = &cstate->wm.optimal.ilk;
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- ps = drm_atomic_get_plane_state(state,
- &intel_plane->base);
- if (IS_ERR(ps))
- return PTR_ERR(ps);
+ struct intel_plane_state *ps;
+
+ ps = intel_atomic_get_existing_plane_state(state,
+ intel_plane);
+ if (!ps)
+ continue;
if (intel_plane->base.type == DRM_PLANE_TYPE_PRIMARY)
- pristate = to_intel_plane_state(ps);
- else if (intel_plane->base.type == DRM_PLANE_TYPE_OVERLAY)
- sprstate = to_intel_plane_state(ps);
- else if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR)
- curstate = to_intel_plane_state(ps);
+ pristate = ps;
+ else if (intel_plane->base.type == DRM_PLANE_TYPE_OVERLAY) {
+ sprstate = ps;
+
+ if (ps) {
+ pipe_wm->sprites_enabled = sprstate->visible;
+ pipe_wm->sprites_scaled = sprstate->visible &&
+ (drm_rect_width(&sprstate->dst) !=
drm_rect_width(&sprstate->src) >> 16 ||
+ drm_rect_height(&sprstate->dst) !=
drm_rect_height(&sprstate->src) >> 16);
+ }
+ } else if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR)
+ curstate = ps;
}
pipe_wm->pipe_enabled = cstate->base.active;
- pipe_wm->sprites_enabled = sprstate->visible;
- pipe_wm->sprites_scaled = sprstate->visible &&
- (drm_rect_width(&sprstate->dst) !=
drm_rect_width(&sprstate->src) >> 16 ||
- drm_rect_height(&sprstate->dst) !=
drm_rect_height(&sprstate->src) >> 16);
/* ILK/SNB: LP2+ watermarks only w/o sprites */
- if (INTEL_INFO(dev)->gen <= 6 && sprstate->visible)
+ if (INTEL_INFO(dev)->gen <= 6 && pipe_wm->sprites_enabled)
max_level = 1;
/* ILK/SNB/IVB: LP1+ watermarks only w/o scaling */
@@ -2358,20 +2369,18 @@ static int ilk_compute_pipe_wm(struct intel_crtc
*intel_crtc,
ilk_compute_wm_reg_maximums(dev, 1, &max);
for (level = 1; level <= max_level; level++) {
- struct intel_wm_level wm = {};
+ struct intel_wm_level *wm = &pipe_wm->wm[level];
ilk_compute_wm_level(dev_priv, intel_crtc, level, cstate,
- pristate, sprstate, curstate, &wm);
+ pristate, sprstate, curstate, wm);
/*
* Disable any watermark level that exceeds the
* register maximums since such watermarks are
* always invalid.
*/
- if (!ilk_validate_wm_level(level, &max, &wm))
+ if (!ilk_validate_wm_level(level, &max, wm))
break;
-
- pipe_wm->wm[level] = wm;
}
return 0;
--
2.1.0
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