openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915/mst: fix pipe and vblank enable 

Commit 21fd23ac22 ("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: 21fd23ac22 ("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>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Tested-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200205082959.31317-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2020-02-05 10:29:59 +02:00
parent 06f7a61c9b
commit 2749596220
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/display/intel_dp_mst.c
View File

@ -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,