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drm/msm: Make irq_postinstall optional 

Allow the KMS operation 'irq_postinstall' to be optional
so that the target display drivers don't need to define
a dummy function if they don't need one.

v3: No changes

Reviewed-by: Sean Paul <sean@poorly.run>
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2018-12-03 15:47:19 -07:00 committed by Rob Clark
parent 53edf46259
commit ab07e0c19f
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/msm/msm_drv.c
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@ -752,7 +752,11 @@ static int msm_irq_postinstall(struct drm_device *dev)
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
BUG_ON(!kms);
return kms->funcs->irq_postinstall(kms);
if (kms->funcs->irq_postinstall)
return kms->funcs->irq_postinstall(kms);
return 0;
}
static void msm_irq_uninstall(struct drm_device *dev)