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drm/i915: only disable enabled planes on intel_fb_restore_mode
We should avoid touching registers that are on the power down well when we don't need to, because if we touch these registers when the power well is disabled we'll get tons of "unclaimed register" messages. This commit fixes some of these messages. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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1 changed files with 2 additions and 1 deletions
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@ -304,7 +304,8 @@ void intel_fb_restore_mode(struct drm_device *dev)
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/* Be sure to shut off any planes that may be active */
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list_for_each_entry(plane, &config->plane_list, head)
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plane->funcs->disable_plane(plane);
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if (plane->enabled)
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plane->funcs->disable_plane(plane);
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mutex_unlock(&dev->mode_config.mutex);
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}
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