On Mon, Feb 23, 2015 at 5:29 AM, Archit Taneja <architt@xxxxxxxxxxxxxx> wrote:
> The DRM_KMS_FB_HELPER config is selected only when DRM_MSM_FBDEV config is
> selected. The driver accesses drm_fb_helper_* functions even when legacy fbdev
> support is disabled in msm. Wrap around these functions with #ifdef checks to
> prevent build break.
hmm, perhaps rather than solving this in each driver, we should do
some stub versions of those fb-helper fxns?
There are at least one or two other drivers that can build without
fbdev, and I guess more going forward..
BR,
-R
> Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/msm_drv.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index a426911..f15494c 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -21,9 +21,11 @@
>
> static void msm_fb_output_poll_changed(struct drm_device *dev)
> {
> +#ifdef CONFIG_DRM_MSM_FBDEV
> struct msm_drm_private *priv = dev->dev_private;
> if (priv->fbdev)
> drm_fb_helper_hotplug_event(priv->fbdev);
> +#endif
> }
>
> static const struct drm_mode_config_funcs mode_config_funcs = {
> @@ -373,9 +375,11 @@ static void msm_preclose(struct drm_device *dev, struct drm_file *file)
>
> static void msm_lastclose(struct drm_device *dev)
> {
> +#ifdef CONFIG_DRM_MSM_FBDEV
> struct msm_drm_private *priv = dev->dev_private;
> if (priv->fbdev)
> drm_fb_helper_restore_fbdev_mode_unlocked(priv->fbdev);
> +#endif
> }
>
> static irqreturn_t msm_irq(int irq, void *arg)
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
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