[Intel-gfx] [PATCH 10/13] drm/i915/icl/tc: Remove the ICL special casing during TC-cold blocking

Souza, Jose jose.souza at intel.com
Mon Sep 27 22:02:21 UTC 2021


On Tue, 2021-09-21 at 03:23 +0300, Imre Deak wrote:
> While a TypeC port mode is locked a DISPLAY_CORE power domain reference
> is held, which implies a runtime PM ref. By removing the ICL !legacy
> port special casing, a TC_COLD_OFF power domain reference will be taken
> for such ports, which also translates to a runtime PM ref on that
> platform. A follow-up change will stop holding the DISPLAY_CORE power
> domain while the port is locked.

This should be squashed to 'drm/i915/tc: Refactor TC-cold block/unblock helpers' otherwise domain is not initialized for this case. 

> 
> Cc: José Roberto de Souza <jose.souza at intel.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_tc.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
> index b2a3d297bfc19..8d799cf7ccefd 100644
> --- a/drivers/gpu/drm/i915/display/intel_tc.c
> +++ b/drivers/gpu/drm/i915/display/intel_tc.c
> @@ -71,9 +71,6 @@ tc_cold_block_in_mode(struct intel_digital_port *dig_port, enum tc_port_mode mod
>  {
>  	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
>  
> -	if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port)
> -		return 0;
> -
>  	*domain = tc_cold_get_power_domain(dig_port, mode);
>  
>  	return intel_display_power_get(i915, *domain);
> @@ -108,9 +105,6 @@ assert_tc_cold_blocked(struct intel_digital_port *dig_port)
>  	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
>  	bool enabled;
>  
> -	if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port)
> -		return;
> -
>  	enabled = intel_display_power_is_enabled(i915,
>  						 tc_cold_get_power_domain(dig_port,
>  									  dig_port->tc_mode));



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