From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
To make the logs a bit less confusing let's toss in some
debug prints to indicate whether the cdclk reprogramming
is going to happen with a single pipe active or whether we
need to turn all pipes off for the duration.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 3d867963a6d1..6eaebc38ee01 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2343,6 +2343,9 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
return ret;
state->cdclk.pipe = pipe;
+
+ DRM_DEBUG_KMS("Can change cdclk with pipe %c active\n",
+ pipe_name(pipe));
} else if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual,
&state->cdclk.actual)) {
ret = intel_modeset_all_pipes(state);
@@ -2350,6 +2353,8 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
return ret;
state->cdclk.pipe = INVALID_PIPE;
+
+ DRM_DEBUG_KMS("Modeset required for cdclk change\n");
}
DRM_DEBUG_KMS("New cdclk calculated to be logical %u kHz, actual %u kHz\n",
--
2.21.0
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