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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-08-17 18:46:20 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2015-11-10 22:30:42 +0200
commite404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3 (patch)
treeae345ebb5a738840c977316412dc07d16af0b0e7 /drivers/gpu/drm/i915/intel_dp_mst.c
parentabfce949052f323b6b0531c6cdc7ad0c3d501d94 (diff)
downloadop-kernel-dev-e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3.zip
op-kernel-dev-e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3.tar.gz
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.c8
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 1537259..8a604ac 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);
}
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