Re: [PATCH v2 1/3] drm/i915: Include the PLL name in the debug messages

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On Tue, 23 Jan 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Make the log easier to parse by including the name of the PLL
> in the debug prints regarding said PLL.

On the series,

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 39 ++++++++++---------
>  1 file changed, 20 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> index 7a6f777eb80f..ce97677d44f0 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> @@ -4475,25 +4475,25 @@ verify_single_dpll_state(struct drm_i915_private *i915,
>  	u8 pipe_mask;
>  	bool active;
>  
> -	drm_dbg_kms(&i915->drm, "%s\n", pll->info->name);
> -
>  	active = intel_dpll_get_hw_state(i915, pll, &dpll_hw_state);
>  
>  	if (!(pll->info->flags & INTEL_DPLL_ALWAYS_ON)) {
>  		I915_STATE_WARN(i915, !pll->on && pll->active_mask,
> -				"pll in active use but not on in sw tracking\n");
> +				"%s: pll in active use but not on in sw tracking\n",
> +				pll->info->name);
>  		I915_STATE_WARN(i915, pll->on && !pll->active_mask,
> -				"pll is on but not used by any active pipe\n");
> +				"%s: pll is on but not used by any active pipe\n",
> +				pll->info->name);
>  		I915_STATE_WARN(i915, pll->on != active,
> -				"pll on state mismatch (expected %i, found %i)\n",
> -				pll->on, active);
> +				"%s: pll on state mismatch (expected %i, found %i)\n",
> +				pll->info->name, pll->on, active);
>  	}
>  
>  	if (!crtc) {
>  		I915_STATE_WARN(i915,
>  				pll->active_mask & ~pll->state.pipe_mask,
> -				"more active pll users than references: 0x%x vs 0x%x\n",
> -				pll->active_mask, pll->state.pipe_mask);
> +				"%s: more active pll users than references: 0x%x vs 0x%x\n",
> +				pll->info->name, pll->active_mask, pll->state.pipe_mask);
>  
>  		return;
>  	}
> @@ -4502,21 +4502,22 @@ verify_single_dpll_state(struct drm_i915_private *i915,
>  
>  	if (new_crtc_state->hw.active)
>  		I915_STATE_WARN(i915, !(pll->active_mask & pipe_mask),
> -				"pll active mismatch (expected pipe %c in active mask 0x%x)\n",
> -				pipe_name(crtc->pipe), pll->active_mask);
> +				"%s: pll active mismatch (expected pipe %c in active mask 0x%x)\n",
> +				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
>  	else
>  		I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
> -				"pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
> -				pipe_name(crtc->pipe), pll->active_mask);
> +				"%s: pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
> +				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
>  
>  	I915_STATE_WARN(i915, !(pll->state.pipe_mask & pipe_mask),
> -			"pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
> -			pipe_mask, pll->state.pipe_mask);
> +			"%s: pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
> +			pll->info->name, pipe_mask, pll->state.pipe_mask);
>  
>  	I915_STATE_WARN(i915,
>  			pll->on && memcmp(&pll->state.hw_state, &dpll_hw_state,
>  					  sizeof(dpll_hw_state)),
> -			"pll hw state mismatch\n");
> +			"%s: pll hw state mismatch\n",
> +			pll->info->name);
>  }
>  
>  void intel_shared_dpll_state_verify(struct intel_atomic_state *state,
> @@ -4538,11 +4539,11 @@ void intel_shared_dpll_state_verify(struct intel_atomic_state *state,
>  		struct intel_shared_dpll *pll = old_crtc_state->shared_dpll;
>  
>  		I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
> -				"pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
> -				pipe_name(crtc->pipe), pll->active_mask);
> +				"%s: pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
> +				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
>  		I915_STATE_WARN(i915, pll->state.pipe_mask & pipe_mask,
> -				"pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n",
> -				pipe_name(crtc->pipe), pll->state.pipe_mask);
> +				"%s: pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n",
> +				pll->info->name, pipe_name(crtc->pipe), pll->state.pipe_mask);
>  	}
>  }

-- 
Jani Nikula, Intel




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