Stop limiting zpos property values, we use normalized_zpos anyway. And nothing stops userspace from assigning several planes to a single zpos (it is a userspace bug, but the kernel is forgiving about it).
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 4658410eedfb..8a8727ff7645 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -44,7 +44,6 @@ #define DPU_NAME_SIZE 12
#define DPU_PLANE_COLOR_FILL_FLAG BIT(31) -#define DPU_ZPOS_MAX 255
/* multirect rect index */ enum { @@ -1375,7 +1374,6 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev, struct dpu_plane *pdpu; struct msm_drm_private *priv = dev->dev_private; struct dpu_kms *kms = to_dpu_kms(priv->kms); - int zpos_max = DPU_ZPOS_MAX; uint32_t num_formats; int ret = -EINVAL;
@@ -1413,14 +1411,7 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
pdpu->catalog = kms->catalog;
- if (kms->catalog->mixer_count && - kms->catalog->mixer[0].sblk->maxblendstages) { - zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1; - if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1) - zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1; - } - - ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max); + ret = drm_plane_create_zpos_property(plane, 0, 0, 255); if (ret) DPU_ERROR("failed to install zpos property, rc = %d\n", ret);