From e404ba8d06ff2a1bdb916a9e5d2c09cacd7e5ca3 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Mon, 17 Aug 2015 18:46:20 +0300 Subject: drm/i915: Setup DDI clk for MST on SKL MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Ville Syrjälä 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 --- drivers/gpu/drm/i915/intel_dp_mst.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c') 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); } -- cgit v1.2.3-70-g09d2