From: Jani Nikula <jani.nikula@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: jani.nikula@intel.com
Subject: [Intel-gfx] [PATCH] drm/i915/mst: fix pipe and vblank enable
Date: Wed, 5 Feb 2020 10:29:59 +0200 [thread overview]
Message-ID: <20200205082959.31317-1-jani.nikula@intel.com> (raw)
Commit 21fd23ac222f ("drm/i915: move pipe, pch and vblank enable to
encoders on DDI platforms") pushed pipe and vblank enable to encoders on
DDI platforms, however it missed the DP MST encoder. Fix it.
Fixes: 21fd23ac222f ("drm/i915: move pipe, pch and vblank enable to encoders on DDI platforms")
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reported-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp_mst.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index b8aee506d595..9cd59141953d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -491,6 +491,12 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
struct intel_dp *intel_dp = &intel_dig_port->dp;
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ drm_WARN_ON(&dev_priv->drm, pipe_config->has_pch_encoder);
+
+ intel_enable_pipe(pipe_config);
+
+ intel_crtc_vblank_on(pipe_config);
+
DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
--
2.20.1
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next reply other threads:[~2020-02-05 8:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-05 8:29 Jani Nikula [this message]
2020-02-05 9:28 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/mst: fix pipe and vblank enable Patchwork
2020-02-05 9:33 ` [Intel-gfx] [PATCH] " Kulkarni, Vandita
2020-02-05 9:38 ` Lisovskiy, Stanislav
2020-02-10 11:32 ` Jani Nikula
2020-02-10 11:43 ` Lisovskiy, Stanislav
2020-02-10 16:00 ` Arkadiusz Hiler
2020-02-14 7:36 ` Jani Nikula
2020-02-14 14:04 ` Sarvela, Tomi P
2020-02-14 14:25 ` Jani Nikula
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