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drm/i915: Add primary plane to mask if it's visible

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This fixes the warnings like

"plane A assertion failure, should be disabled but not"

that on the initial modeset during boot. This can happen if
the primary plane is enabled by the firmware, but inheriting
it fails because the DMAR is active or for other reasons.

Most likely caused by

commit 36750f284b
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date:   Mon Jun 1 12:49:54 2015 +0200

    drm/i915: update plane state during init

Reported-by: Andreas Reis <andreas.reis@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91429
Reported-and-tested-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Andreas Reis <andreas.reis@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Maarten Lankhorst 2015-09-15 14:28:54 +02:00 committed by Jani Nikula
parent 41b578fb0e
commit 721a09f739
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/i915/intel_display.c
View file

@ -15087,9 +15087,12 @@ static void readout_plane_state(struct intel_crtc *crtc,
plane_state = to_intel_plane_state(p->base.state);
if (p->base.type == DRM_PLANE_TYPE_PRIMARY)
if (p->base.type == DRM_PLANE_TYPE_PRIMARY) {
plane_state->visible = primary_get_hw_state(crtc);
else {
if (plane_state->visible)
crtc->base.state->plane_mask |=
1 << drm_plane_index(&p->base);
} else {
if (active)
p->disable_plane(&p->base, &crtc->base);