From 09c6d51b16efc425d79d9a4c8db47706691d9605 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 28 Jan 2021 17:59:46 +0200 Subject: [PATCH] drm/i915: Power up combo PHY lanes for for HDMI as well MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit commit fad9bae9ee5d578afbe6380c82e4715efaddf118 upstream. Currently we only explicitly power up the combo PHY lanes for DP. The spec says we should do it for HDMI as well. Cc: stable@vger.kernel.org Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20210128155948.13678-3-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak (cherry picked from commit 1e0cb7bef35f0d1aed383bf69a209df218b807c9) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index b97c518f45e8..40dfb4d0ffbe 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3936,6 +3936,8 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, intel_de_write(dev_priv, reg, val); } + intel_ddi_power_up_lanes(encoder, crtc_state); + /* In HDMI/DVI mode, the port width, and swing/emphasis values * are ignored so nothing special needs to be done besides * enabling the port. -- 2.17.1