diff options
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_kms.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index 43bf416b33d5..0b57ab5451a9 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -120,9 +120,13 @@ static void zynqmp_dpsub_plane_atomic_update(struct drm_plane *plane, zynqmp_disp_blend_set_global_alpha(dpsub->disp, true, plane->state->alpha >> 8); - /* Enable or re-enable the plane if the format has changed. */ - if (format_changed) - zynqmp_disp_layer_enable(layer); + /* + * Unconditionally enable the layer, as it may have been disabled + * previously either explicitly to reconfigure layer format, or + * implicitly after DPSUB reset during display mode change. DRM + * framework calls this callback for enabled planes only. + */ + zynqmp_disp_layer_enable(layer); } static const struct drm_plane_helper_funcs zynqmp_dpsub_plane_helper_funcs = { |