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drm/i915/selftests: Attach a stub pm_domain

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Supply a pm_domain and its ops for our mock GEM device so that
device runtime pm doesn't complain even though we only want to mark it
permanently active!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170718173028.31207-1-chris@chris-wilson.co.uk
Tested-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
This commit is contained in:
Chris Wilson 2017-07-18 18:30:28 +01:00
parent 3b19f16a55
commit 1a0c19248a
1 changed files with 21 additions and 1 deletions
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22
drivers/gpu/drm/i915/selftests/mock_gem_device.c
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@ -22,6 +22,7 @@
*
*/
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include "mock_engine.h"
@ -109,6 +110,23 @@ static void mock_idle_work_handler(struct work_struct *work)
{
}
static int pm_domain_resume(struct device *dev)
{
return pm_generic_runtime_resume(dev);
}
static int pm_domain_suspend(struct device *dev)
{
return pm_generic_runtime_suspend(dev);
}
static struct dev_pm_domain pm_domain = {
.ops = {
.runtime_suspend = pm_domain_suspend,
.runtime_resume = pm_domain_resume,
},
};
struct drm_i915_private *mock_gem_device(void)
{
struct drm_i915_private *i915;
@ -127,8 +145,10 @@ struct drm_i915_private *mock_gem_device(void)
dev_set_name(&pdev->dev, "mock");
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
dev_pm_domain_set(&pdev->dev, &pm_domain);
pm_runtime_enable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
WARN_ON(pm_runtime_get_sync(&pdev->dev));
i915 = (struct drm_i915_private *)(pdev + 1);
pci_set_drvdata(pdev, i915);