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Subject[PATCH] gpu/drm/hisilicon: Convert drm_atomic_helper_suspend/resume()
convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().

Fixed one sparse warning by making hibmc_drm_interrupt
static.

Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
---
v2: remove ret variable from both suspend and resume.
remove suspend_state from hibmc_drm_private struct.

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 20 +++-----------------
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 1 -
2 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index d4f6f1f..ee24480 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -37,7 +37,7 @@
.llseek = no_llseek,
};

-irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
+static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *)arg;
struct hibmc_drm_private *priv =
@@ -74,30 +74,16 @@ static int __maybe_unused hibmc_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- struct hibmc_drm_private *priv = drm_dev->dev_private;
-
- drm_kms_helper_poll_disable(drm_dev);
- priv->suspend_state = drm_atomic_helper_suspend(drm_dev);
- if (IS_ERR(priv->suspend_state)) {
- DRM_ERROR("drm_atomic_helper_suspend failed: %ld\n",
- PTR_ERR(priv->suspend_state));
- drm_kms_helper_poll_enable(drm_dev);
- return PTR_ERR(priv->suspend_state);
- }

- return 0;
+ return drm_mode_config_helper_suspend(drm_dev);
}

static int __maybe_unused hibmc_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- struct hibmc_drm_private *priv = drm_dev->dev_private;

- drm_atomic_helper_resume(drm_dev, priv->suspend_state);
- drm_kms_helper_poll_enable(drm_dev);
-
- return 0;
+ return drm_mode_config_helper_resume(drm_dev);
}

static const struct dev_pm_ops hibmc_pm_ops = {
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index e195521..45c25a4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -47,7 +47,6 @@ struct hibmc_drm_private {
/* drm */
struct drm_device *dev;
bool mode_config_initialized;
- struct drm_atomic_state *suspend_state;

/* ttm */
struct drm_global_reference mem_global_ref;
--
1.9.1
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