drm/i915: Handle cursor updating active_planes correctly, v2.

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While we may not update new_crtc_state, we may clear active_planes
if the new cursor update state will disable the cursor, but we fail
after. If this is immediately followed by a modeset disable, we may
soon not disable the planes correctly when we start depending on
active_planes.

Changes since v1:
- Clarify why we cannot swap crtc_state. (Matt)

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920102711.4184-3-maarten.lankhorst@linux.intel.com

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Maarten Lankhorst 2018-09-20 12:27:05 +02:00

parent a1cccdcf33

commit c249c5f643

1 changed files with 28 additions and 8 deletions

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36

drivers/gpu/drm/i915/intel_display.c

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