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authorThierry Reding <thierry.reding@avionic-design.de>2013-04-22 21:22:14 +0200
committerThierry Reding <thierry.reding@gmail.com>2013-05-25 12:32:49 +0200
commit603f0cc9482e5e5996b84d3ffb5578526974809c (patch)
tree853097ad3ef72a2fe8d801f26270eb2a51344e44 /drivers/gpu/host1x
parent2678aeba5fe1a799788cce2a34003d8fa6ad7153 (diff)
drm/tegra: Explicitly set irq_enabled
Since the Tegra DRM driver doesn't use the drm_irq_install() helper, the irq_enabled flag needs to be set manually in order to make functionality such as the DRM_IOCTL_WAIT_VBLANK work properly. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/drm/drm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c
index 2b561c9118c..78b07db37cf 100644
--- a/drivers/gpu/host1x/drm/drm.c
+++ b/drivers/gpu/host1x/drm/drm.c
@@ -257,6 +257,13 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
if (err < 0)
return err;
+ /*
+ * We don't use the drm_irq_install() helpers provided by the DRM
+ * core, so we need to set this manually in order to allow the
+ * DRM_IOCTL_WAIT_VBLANK to operate correctly.
+ */
+ drm->irq_enabled = 1;
+
err = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (err < 0)
return err;