drm/i915: Add debugs to distingiush a cd2x update from a full cdclk pll update (6c066f4c) · Commits · 戴 / test

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@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191015193035.25982-2-ville.syrjala@linux.intel.com Reviewed-by:

Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

drivers/gpu/drm/i915/display/intel_cdclk.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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",

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