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| author | Imre Deak <imre.deak@intel.com> | 2015-04-17 19:31:21 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-04-30 12:23:33 +0300 |
| commit | a1e6ad667550a9be173d0a0cfbba236d9252f837 (patch) | |
| tree | 7b40b993b3b9c6ed77131b66fecb161d3ef0b8d4 /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | 052f62f78955106a14961f0d3d34c256e896303a (diff) | |
| download | lwn-a1e6ad667550a9be173d0a0cfbba236d9252f837.tar.gz lwn-a1e6ad667550a9be173d0a0cfbba236d9252f837.zip | |
drm/i915: factor out ddi_get_encoder_port
In the next patch we'll need to get at both the encoder's intel_digital_port
object - which maybe NULL for a CRT - and it's port, so factor out this
functionality.
No functional change.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 455d44b49c66..903d395b27cc 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -210,29 +210,39 @@ static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = { { 154, 0x9A, 1, 128, true }, /* 9: 1200 0 */ }; -enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder) +static void ddi_get_encoder_port(struct intel_encoder *intel_encoder, + struct intel_digital_port **dig_port, + enum port *port) { struct drm_encoder *encoder = &intel_encoder->base; int type = intel_encoder->type; if (type == INTEL_OUTPUT_DP_MST) { - struct intel_digital_port *intel_dig_port = enc_to_mst(encoder)->primary; - return intel_dig_port->port; + *dig_port = enc_to_mst(encoder)->primary; + *port = (*dig_port)->port; } else if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_HDMI || type == INTEL_OUTPUT_UNKNOWN) { - struct intel_digital_port *intel_dig_port = - enc_to_dig_port(encoder); - return intel_dig_port->port; - + *dig_port = enc_to_dig_port(encoder); + *port = (*dig_port)->port; } else if (type == INTEL_OUTPUT_ANALOG) { - return PORT_E; - + *dig_port = NULL; + *port = PORT_E; } else { DRM_ERROR("Invalid DDI encoder type %d\n", type); BUG(); } } +enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder) +{ + struct intel_digital_port *dig_port; + enum port port; + + ddi_get_encoder_port(intel_encoder, &dig_port, &port); + + return port; +} + static bool intel_dig_port_supports_hdmi(const struct intel_digital_port *intel_dig_port) { |