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drm/i915: s/PCH_DP_/PORT_/ in intel_trans_dp_port_sel() and move it n…
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…ext to its only user

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-9-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Ville Syrjälä committed Nov 18, 2015
1 parent aba72dd commit c48b530
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Showing 3 changed files with 19 additions and 23 deletions.
1 change: 0 additions & 1 deletion drivers/gpu/drm/i915/i915_drv.h
Original file line number Diff line number Diff line change
Expand Up @@ -3350,7 +3350,6 @@ extern void intel_set_rps(struct drm_device *dev, u8 val);
extern void intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
bool enable);
extern void intel_detect_pch(struct drm_device *dev);
extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
extern int intel_enable_rc6(const struct drm_device *dev);

extern bool i915_semaphore_is_enabled(struct drm_device *dev);
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22 changes: 19 additions & 3 deletions drivers/gpu/drm/i915/intel_display.c
Original file line number Diff line number Diff line change
Expand Up @@ -4078,6 +4078,22 @@ static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc)
}
}

/* Return which DP Port should be selected for Transcoder DP control */
static enum port
intel_trans_dp_port_sel(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct intel_encoder *encoder;

for_each_encoder_on_crtc(dev, crtc, encoder) {
if (encoder->type == INTEL_OUTPUT_DISPLAYPORT ||
encoder->type == INTEL_OUTPUT_EDP)
return enc_to_dig_port(&encoder->base)->port;
}

return -1;
}

/*
* Enable PCH resources required for PCH ports:
* - PCH PLLs
Expand Down Expand Up @@ -4156,13 +4172,13 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
temp |= TRANS_DP_VSYNC_ACTIVE_HIGH;

switch (intel_trans_dp_port_sel(crtc)) {
case PCH_DP_B:
case PORT_B:
temp |= TRANS_DP_PORT_SEL_B;
break;
case PCH_DP_C:
case PORT_C:
temp |= TRANS_DP_PORT_SEL_C;
break;
case PCH_DP_D:
case PORT_D:
temp |= TRANS_DP_PORT_SEL_D;
break;
default:
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19 changes: 0 additions & 19 deletions drivers/gpu/drm/i915/intel_dp.c
Original file line number Diff line number Diff line change
Expand Up @@ -5063,25 +5063,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
return ret;
}

/* Return which DP Port should be selected for Transcoder DP control */
int
intel_trans_dp_port_sel(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct intel_encoder *intel_encoder;
struct intel_dp *intel_dp;

for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
intel_dp = enc_to_intel_dp(&intel_encoder->base);

if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT ||
intel_encoder->type == INTEL_OUTPUT_EDP)
return intel_dp->output_reg;
}

return -1;
}

/* check the VBT to see whether the eDP is on another port */
bool intel_dp_is_edp(struct drm_device *dev, enum port port)
{
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