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authorAnder Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>2017-03-02 14:58:57 +0200
committerAnder Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>2017-03-03 12:32:37 +0200
commite081c8463ac947e75f20ee11c6516f089efddaf6 (patch)
tree15ff57fba2082c63e494daf40d17530038258990 /drivers/gpu/drm/i915/intel_dp_mst.c
parentdrm/i915: Remove direct usages of intel_crtc->config from DDI code (diff)
downloadlinux-dev-e081c8463ac947e75f20ee11c6516f089efddaf6.tar.xz
linux-dev-e081c8463ac947e75f20ee11c6516f089efddaf6.zip
drm/i915: Remove duplicate DDI enabling logic from MST path
The logic to enable a DDI in intel_mst_pre_enable_dp() is essentially the same as in intel_ddi_pre_enable_dp(). So reuse the latter function by calling the post_disable hook on the intel_dig_port instead of duplicating that code. v2: Don't oops because of a NULL encoder->crtc. (Ville) v3: Warn for MST + PORT_E too. (Ville) Cc: Imre Deak <imre.deak@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-8-ander.conselvan.de.oliveira@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp_mst.c23
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index a8334e18c4fc..094cbdcbcd6d 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -159,26 +159,9 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links);
- if (intel_dp->active_mst_links == 0) {
- intel_ddi_clk_select(&intel_dig_port->base,
- pipe_config->shared_dpll);
-
- intel_display_power_get(dev_priv,
- intel_dig_port->ddi_io_power_domain);
-
- intel_prepare_dp_ddi_buffers(&intel_dig_port->base);
- intel_dp_set_link_params(intel_dp,
- pipe_config->port_clock,
- pipe_config->lane_count,
- true);
-
- intel_ddi_init_dp_buf_reg(&intel_dig_port->base);
-
- intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
-
- intel_dp_start_link_train(intel_dp);
- intel_dp_stop_link_train(intel_dp);
- }
+ if (intel_dp->active_mst_links == 0)
+ intel_dig_port->base.pre_enable(&intel_dig_port->base,
+ pipe_config, NULL);
ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr,
connector->port,