[Intel-gfx] [RFC 5/7] drm/i915: Program gen4 watermarks atomically
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Thu May 4 11:41:31 UTC 2017
We're already calculating the watermarks correctly, now we have to
program them too.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c5bdef6281f3..969eb11ed5cd 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2268,20 +2268,20 @@ static int i965_compute_pipe_wm(struct intel_crtc_state *crtc_state)
return 0;
}
-static void i965_update_wm(struct intel_crtc *crtc)
+static void i965_program_watermarks(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ struct intel_crtc *crtc;
+ struct i9xx_wm_state *wm_state = NULL;
int srwm = 1;
int cursor_sr = 16;
bool cxsr_enabled = false;
- crtc->wm.active.i9xx = crtc->config->wm.i9xx.optimal;
-
- /* Calc sr entries for one plane configs */
crtc = single_enabled_crtc(dev_priv);
- if (crtc && crtc->wm.active.i9xx.cxsr) {
- struct i9xx_wm_state *wm_state = &crtc->wm.active.i9xx;
+ if (crtc)
+ wm_state = &crtc->wm.active.i9xx;
+ /* Calc sr entries for one plane configs */
+ if (wm_state && wm_state->cxsr) {
srwm = wm_state->sr.plane;
cursor_sr = wm_state->sr.cursor;
@@ -2571,8 +2571,10 @@ static void i9xx_initial_watermarks(struct intel_atomic_state *state,
pnv_program_watermarks(dev_priv);
else if (INTEL_INFO(dev_priv)->num_pipes == 1)
i845_program_watermarks(intel_crtc);
- else
+ else if (INTEL_GEN(dev_priv) < 4)
i9xx_program_watermarks(dev_priv);
+ else
+ i965_program_watermarks(dev_priv);
mutex_unlock(&dev_priv->wm.wm_mutex);
}
@@ -2591,8 +2593,10 @@ static void i9xx_optimize_watermarks(struct intel_atomic_state *state,
pnv_program_watermarks(dev_priv);
else if (INTEL_INFO(dev_priv)->num_pipes == 1)
i845_program_watermarks(intel_crtc);
- else
+ else if (INTEL_GEN(dev_priv) < 4)
i9xx_program_watermarks(dev_priv);
+ else
+ i965_program_watermarks(dev_priv);
mutex_unlock(&dev_priv->wm.wm_mutex);
}
@@ -8911,7 +8915,8 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
}
} else if (IS_GEN4(dev_priv)) {
dev_priv->display.compute_pipe_wm = i965_compute_pipe_wm;
- dev_priv->display.update_wm = i965_update_wm;
+ dev_priv->display.initial_watermarks = i9xx_initial_watermarks;
+ dev_priv->display.optimize_watermarks = i9xx_optimize_watermarks;
} else if (IS_GEN3(dev_priv)) {
dev_priv->display.compute_pipe_wm = i9xx_compute_pipe_wm;
dev_priv->display.compute_intermediate_wm = i9xx_compute_intermediate_wm;
--
2.9.3
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