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drm/i915: split conversion function out into separate function

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for MST I need to reuse this, so just move it now.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2014-06-05 13:22:59 +10:00
parent 36cd7444c0
commit d05410f9a4
1 changed files with 18 additions and 13 deletions
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31
drivers/gpu/drm/i915/intel_display.c
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@ -4300,6 +4300,23 @@ static void i9xx_pfit_enable(struct intel_crtc *crtc)
I915_WRITE(BCLRPAT(crtc->pipe), 0); I915_WRITE(BCLRPAT(crtc->pipe), 0);
} }
static enum intel_display_power_domain port_to_power_domain(enum port port)
{
switch (port) {
case PORT_A:
return POWER_DOMAIN_PORT_DDI_A_4_LANES;
case PORT_B:
return POWER_DOMAIN_PORT_DDI_B_4_LANES;
case PORT_C:
return POWER_DOMAIN_PORT_DDI_C_4_LANES;
case PORT_D:
return POWER_DOMAIN_PORT_DDI_D_4_LANES;
default:
WARN_ON_ONCE(1);
return POWER_DOMAIN_PORT_OTHER;
}
}
#define for_each_power_domain(domain, mask) \ #define for_each_power_domain(domain, mask) \
for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
if ((1 << (domain)) & (mask)) if ((1 << (domain)) & (mask))
@ -4318,19 +4335,7 @@ intel_display_port_power_domain(struct intel_encoder *intel_encoder)
case INTEL_OUTPUT_HDMI: case INTEL_OUTPUT_HDMI:
case INTEL_OUTPUT_EDP: case INTEL_OUTPUT_EDP:
intel_dig_port = enc_to_dig_port(&intel_encoder->base); intel_dig_port = enc_to_dig_port(&intel_encoder->base);
switch (intel_dig_port->port) { return port_to_power_domain(intel_dig_port->port);
case PORT_A:
return POWER_DOMAIN_PORT_DDI_A_4_LANES;
case PORT_B:
return POWER_DOMAIN_PORT_DDI_B_4_LANES;
case PORT_C:
return POWER_DOMAIN_PORT_DDI_C_4_LANES;
case PORT_D:
return POWER_DOMAIN_PORT_DDI_D_4_LANES;
default:
WARN_ON_ONCE(1);
return POWER_DOMAIN_PORT_OTHER;
}
case INTEL_OUTPUT_ANALOG: case INTEL_OUTPUT_ANALOG:
return POWER_DOMAIN_PORT_CRT; return POWER_DOMAIN_PORT_CRT;
case INTEL_OUTPUT_DSI: case INTEL_OUTPUT_DSI: