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Commit 2455a8e4 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915: don't use a temp buffer for opregion debugfs file 



Hasn't been necessary since

commit 115719fc
Author: Williams, Dan J <dan.j.williams@intel.com>
Date:   Mon Oct 12 21:12:57 2015 +0000

    i915: switch from acpi_os_ioremap to memremap

Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/74664a556a56d0eceb0029bbd77ffc1d771b0628.1450089383.git.jani.nikula@intel.com
parent 82730385

drivers/gpu/drm/i915/i915_debugfs.c

+2 −9
Original line number Diff line number Diff line
@@ -1842,25 +1842,18 @@ static int i915_opregion(struct seq_file *m, void *unused) 
	struct drm_device *dev = node->minor->dev;

	struct drm_i915_private *dev_priv = dev->dev_private;

	struct intel_opregion *opregion = &dev_priv->opregion;

	void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL);

	int ret;



	if (data == NULL)

		return -ENOMEM;



	ret = mutex_lock_interruptible(&dev->struct_mutex);

	if (ret)

		goto out;



	if (opregion->header) {

		memcpy(data, opregion->header, OPREGION_SIZE);

		seq_write(m, data, OPREGION_SIZE);

	}

	if (opregion->header)

		seq_write(m, opregion->header, OPREGION_SIZE);



	mutex_unlock(&dev->struct_mutex);



out:

	kfree(data);

	return 0;

}