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Commit 603f0cc9 authored by Thierry Reding's avatar Thierry Reding Committed by Thierry Reding
Browse files

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: default avatarThierry Reding <thierry.reding@avionic-design.de>
parent 2678aeba

drivers/gpu/host1x/drm/drm.c

+7 −0
Original line number Diff line number Diff line
@@ -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;