diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-08-17 18:46:20 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-11-10 22:30:42 +0200 |
| commit | e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3 (patch) | |
| tree | ae345ebb5a738840c977316412dc07d16af0b0e7 /drivers/gpu/drm/i915/intel_dp_mst.c | |
| parent | abfce949052f323b6b0531c6cdc7ad0c3d501d94 (diff) | |
| download | lwn-e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3.tar.gz lwn-e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3.zip | |
drm/i915: Setup DDI clk for MST on SKL
Set up the DDI->PLL mapping on SKL also for MST links. Might help make
MST operational on SKL.
v2: Rebased due to KBL
Improve the patch subject, Jesse provided the new one
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1439826380-18403-1-git-send-email-ville.syrjala@linux.intel.com
References: https://bugs.freedesktop.org/show_bug.cgi?id=91791
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp_mst.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 15372598b2c3..8a604ac797aa 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -173,20 +173,14 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder) intel_mst->port = found->port; if (intel_dp->active_mst_links == 0) { - enum port port = intel_ddi_get_encoder_port(encoder); + intel_ddi_clk_select(encoder, intel_crtc->config); intel_dp_set_link_params(intel_dp, intel_crtc->config); - /* FIXME: add support for SKL */ - if (INTEL_INFO(dev)->gen < 9) - I915_WRITE(PORT_CLK_SEL(port), - intel_crtc->config->ddi_pll_sel); - 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); } |