Patchwork [v3,06/10] drm/msm: Make irq_postinstall optional

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Submitter Jordan Crouse
Date Dec. 3, 2018, 10:47 p.m.
Message ID <20181203224723.10450-7-jcrouse@codeaurora.org>
Download mbox | patch
Permalink /patch/671417/
State New
Headers show

Comments

Jordan Crouse - Dec. 3, 2018, 10:47 p.m.
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>
---
 drivers/gpu/drm/msm/msm_drv.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Patch

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 9c9f7ff6960b..d8af97407b3c 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -724,7 +724,11 @@  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)