[Intel-gfx] [PATCH 45/49] drm/i915: suppress false PLL state warnings on non-GMCH platforms

Jesse Barnes jbarnes at virtuousgeek.org
Thu Mar 19 13:53:19 PDT 2015


On 03/17/2015 02:40 AM, Imre Deak wrote:
> The checks for PLL enabled state on CPU ports are valid only on GMCH
> platforms but atm we'd also call them on non-PCH-split/non-GMCH
> platforms like BXT, triggering false warnings. Until the proper check is
> implented for these platforms simply disable the check.
> 
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index c060496..ff26752 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2099,7 +2099,7 @@ static void intel_enable_pipe(struct intel_crtc *crtc)
>  	 * a plane.  On ILK+ the pipe PLLs are integrated, so we don't
>  	 * need the check.
>  	 */
> -	if (!HAS_PCH_SPLIT(dev_priv->dev))
> +	if (HAS_GMCH_DISPLAY(dev_priv->dev))
>  		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI))
>  			assert_dsi_pll_enabled(dev_priv);
>  		else
> @@ -4376,7 +4376,7 @@ static void intel_crtc_load_lut(struct drm_crtc *crtc)
>  	if (!crtc->state->enable || !intel_crtc->active)
>  		return;
>  
> -	if (!HAS_PCH_SPLIT(dev_priv->dev)) {
> +	if (HAS_GMCH_DISPLAY(dev_priv->dev)) {
>  		if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI))
>  			assert_dsi_pll_enabled(dev_priv);
>  		else
> 

It looks like we're doing dsi calls, so this must at least apply to BYT,
right?  We might need more granularity here...

Jesse


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