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Commit 74f60692 authored by Camus Wong's avatar Camus Wong
Browse files

drm/msm-hyp: overwrite hyp ioctls used by libgbm 



Handle ioctls called by libgbm in the virtual kernel driver
to support front-end library and avoid modifying libgbm.

Change-Id: Ie4e567cea7338b4ba68080decf85dfa45e040dac
Signed-off-by: default avatarCamus Wong <camusw@codeaurora.org>
parent 99b73ed5

drivers/gpu/drm/msm-hyp/msm_drv_hyp.c

+25 −1
Original line number Original line Diff line number Diff line
@@ -355,11 +355,35 @@ static int msm_ioctl_query_client_id(struct drm_device *dev, void *data, 
	return ret;

	return ret;

}

}





static long msm_drm_ioctl(struct file *filp,

	unsigned int cmd, unsigned long arg)

{

	switch (cmd) {

	case DRM_IOCTL_PRIME_FD_TO_HANDLE:

	{

		struct drm_prime_handle cmd_data;



		if (copy_from_user(&cmd_data, (void __user *)arg,

				sizeof(struct drm_prime_handle)) != 0)

			return -EFAULT;

		cmd_data.handle = cmd_data.fd;

		if (copy_to_user((void __user *)arg, &cmd_data,

				sizeof(struct drm_prime_handle)) != 0)

			return -EFAULT;

		return 0;

	}

	case DRM_IOCTL_GEM_CLOSE:

		return 0;

	default:

		return drm_ioctl(filp, cmd, arg);

	}

}



static const struct file_operations fops = {

static const struct file_operations fops = {

	.owner              = THIS_MODULE,

	.owner              = THIS_MODULE,

	.open               = drm_open,

	.open               = drm_open,

	.release            = drm_release,

	.release            = drm_release,

	.unlocked_ioctl     = drm_ioctl,

	.unlocked_ioctl     = msm_drm_ioctl,

	.poll               = drm_poll,

	.poll               = drm_poll,

	.read               = drm_read,

	.read               = drm_read,

	.write              = msm_drm_write,

	.write              = msm_drm_write,