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drm/i915/icl: Add missing combo PHY lane power setup

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This step of the BSpec combo PHY port enabling is missing, so add it
now.

v2:
- Rebased on the new fixed v2 version of the helper.
v3:
- Use intel_ instead of icl_ prefix. (Jani)

Reported-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190425185253.3197-2-imre.deak@intel.com
This commit is contained in:
Imre Deak 2019-04-25 21:52:53 +03:00
parent bd60a56290
commit cfda08cdac
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -29,6 +29,7 @@
#include "i915_drv.h"
#include "intel_audio.h"
#include "intel_combo_phy.h"
#include "intel_connector.h"
#include "intel_ddi.h"
#include "intel_dp.h"
@ -3115,6 +3116,15 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
else
intel_prepare_dp_ddi_buffers(encoder, crtc_state);
if (intel_port_is_combophy(dev_priv, port)) {
bool lane_reversal =
dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
intel_combo_phy_power_up_lanes(dev_priv, port, false,
crtc_state->lane_count,
lane_reversal);
}
intel_ddi_init_dp_buf_reg(encoder);
if (!is_mst)
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);