[Intel-gfx] [PATCH v2 12/20] drm/i915: skip modeset if compatible, and enable fastboot for everyone, v2.

[Maarten Lankhorst]

Op 07-07-15 om 12:14 schreef Daniel Vetter:
> On Tue, Jul 07, 2015 at 09:08:23AM +0200, Maarten Lankhorst wrote:
>> @@ -12331,7 +12337,6 @@ static bool intel_fuzzy_clock_check(int clock1, int clock2)
>>  			    base.head) \
>>  		if (mask & (1 <<(intel_crtc)->pipe))
>>  
>> -
>>  static bool
>>  intel_compare_m_n(unsigned int m, unsigned int n,
>>  		  unsigned int m2, unsigned int n2)
>> @@ -12553,18 +12558,21 @@ intel_pipe_config_compare(struct drm_device *dev,
>>  	 * Proper atomic modesets with recomputed global state will fix this.
>>  	 * Until then just don't check gmch state for inherited modes.
>>  	 */
>> -	if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) {
>> -		PIPE_CONF_CHECK_I(gmch_pfit.control);
>> -		/* pfit ratios are autocomputed by the hw on gen4+ */
>> -		if (INTEL_INFO(dev)->gen < 4)
>> -			PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
>> -		PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
>> -	}
>> +	if (!adjust) {
>> +		PIPE_CONF_CHECK_I(pipe_src_w);
>> +		PIPE_CONF_CHECK_I(pipe_src_h);
>>  
>> -	PIPE_CONF_CHECK_I(pch_pfit.enabled);
>> -	if (current_config->pch_pfit.enabled) {
>> -		PIPE_CONF_CHECK_I(pch_pfit.pos);
>> -		PIPE_CONF_CHECK_I(pch_pfit.size);
>> +		PIPE_CONF_CHECK_I(pch_pfit.enabled);
>> +		if (current_config->pch_pfit.enabled) {
>> +			PIPE_CONF_CHECK_I(pch_pfit.pos);
>> +			PIPE_CONF_CHECK_I(pch_pfit.size);
>> +
>> +			PIPE_CONF_CHECK_I(gmch_pfit.control);
>> +			/* pfit ratios are autocomputed by the hw on gen4+ */
>> +			if (INTEL_INFO(dev)->gen < 4)
>> +				PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
>> +			PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
>> +		}
>>  	}
> The above hunk should be indenpendent of fastboot changes, it only
> requires us to recompute the pipe config for all crtcs in an update. And
> we do that now: When we steal an encoder we add the crtc that encoder was
> on, and then also recompute it's config.
>
> Can you please split this out and submit as its own patch. And please
> remove the comment too since there's no conditional check any more now.
> -Daniel
Ok.