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@xxxxxxxxxx>
---
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);
--
2.30.2
