[PATCH] drm/radeon: Hide cursor on CRTCs used by fbdev

[Alex Deucher]

On Thu, Nov 27, 2014 at 9:48 PM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Since we are now preserving the cursor across modesets, the cursor could
> be left over in console if e.g. X crashed.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Added to my -next tree with a comment about universal plane support.

Thanks,

Alex

> ---
>  drivers/gpu/drm/radeon/radeon_fb.c | 29 ++++++++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
> index 0ea1db8..311886b 100644
> --- a/drivers/gpu/drm/radeon/radeon_fb.c
> +++ b/drivers/gpu/drm/radeon/radeon_fb.c
> @@ -48,10 +48,37 @@ struct radeon_fbdev {
>         struct radeon_device *rdev;
>  };
>
> +/**
> + * radeon_fb_helper_set_par - Hide cursor on CRTCs used by fbdev.
> + *
> + * @info: fbdev info
> + *
> + * This function hides the cursor on all CRTCs used by fbdev.
> + */
> +static int radeon_fb_helper_set_par(struct fb_info *info)
> +{
> +       int ret;
> +
> +       ret = drm_fb_helper_set_par(info);
> +
> +       if (ret == 0) {
> +               struct drm_fb_helper *fb_helper = info->par;
> +               int i;
> +
> +               for (i = 0; i < fb_helper->crtc_count; i++) {
> +                       struct drm_crtc *crtc = fb_helper->crtc_info[i].mode_set.crtc;
> +
> +                       radeon_crtc_cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
> +               }
> +       }
> +
> +       return ret;
> +}
> +
>  static struct fb_ops radeonfb_ops = {
>         .owner = THIS_MODULE,
>         .fb_check_var = drm_fb_helper_check_var,
> -       .fb_set_par = drm_fb_helper_set_par,
> +       .fb_set_par = radeon_fb_helper_set_par,
>         .fb_fillrect = cfb_fillrect,
>         .fb_copyarea = cfb_copyarea,
>         .fb_imageblit = cfb_imageblit,
> --
> 2.1.3
>
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