On Fri, May 31, 2013 at 08:07:03PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> plane->enabled is never set, so this code didn't do anything.
>
> Fix the code for sprites by calling the new drm_plane_force_disable()
> function. That means the plane will remain off until someone explicitly
> turns it back on.
>
> And do the same for cursors and the old video overlays, since we only
> want to see the primary plane for fbdev.
>
> v2: Disable sprites/cursors until explicitly re-enabled
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 16 ++++++++++++++++
> drivers/gpu/drm/i915/intel_drv.h | 1 +
> drivers/gpu/drm/i915/intel_fb.c | 9 ++-------
> 3 files changed, 19 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 944b6d5..1d1a3fd 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9842,3 +9842,19 @@ intel_display_print_error_state(struct drm_i915_error_state_buf *m,
> }
> }
> #endif
> +
> +void intel_disable_cursors_and_sprites(struct drm_device *dev)
> +{
> + struct drm_crtc *crtc;
> + struct drm_plane *plane;
> +
> + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> + intel_crtc_dpms_overlay(to_intel_crtc(crtc), false);
> + intel_crtc_cursor_set(crtc, NULL, 0, 0, 0);
> + }
> +
> + list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
> + if (plane->fb)
> + drm_plane_force_disable(plane);
This would be neater if drm_plane_force_disable did the check for
plane-fb itself.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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