From: Clinton A Taylor Date: Fri, 20 Sep 2019 20:58:05 +0000 (-0700) Subject: drm/i915/tgl: Add missing ddi clock select during DP init sequence X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=6171e58b1ff5c41632d8fb87f0e6bd003ed34c13;p=uclinux-h8%2Flinux.git drm/i915/tgl: Add missing ddi clock select during DP init sequence Step 4.b was complete missed because it is only required to TC and TBT. Bspec: 49190 Reviewed-by: Imre Deak Reviewed-by: Lucas De Marchi Signed-off-by: Clinton A Taylor Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20190920205810.211048-2-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 0c0da9f6c2e8..dfd6b064cbc3 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3230,11 +3230,14 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder, intel_edp_panel_on(intel_dp); /* - * 1.b, 3. and 4. is done before tgl_ddi_pre_enable_dp() by: + * 1.b, 3. and 4.a is done before tgl_ddi_pre_enable_dp() by: * haswell_crtc_enable()->intel_encoders_pre_pll_enable() and * haswell_crtc_enable()->intel_enable_shared_dpll() */ + /* 4.b */ + intel_ddi_clk_select(encoder, crtc_state); + /* 5. */ if (!intel_phy_is_tc(dev_priv, phy) || dig_port->tc_mode != TC_PORT_TBT_ALT)