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authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>2022-02-09 20:24:57 +0300
committerRob Clark <robdclark@chromium.org>2022-09-18 09:38:03 -0700
commite64ad2d224a805d0448c027fcfded00cb0a6f056 (patch)
treedfe0001252514fa36fbdc2369851cb3a6d01f2d0 /drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
parentaabf9220dfefdffb1f8d9126606f6a525405ba7b (diff)
downloadlinux-e64ad2d224a805d0448c027fcfded00cb0a6f056.tar.bz2
drm/msm/dpu: do not limit the zpos property
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> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/473147/ Link: https://lore.kernel.org/r/20220209172520.3719906-3-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index c7c1360462a7..5135200ce132 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1478,7 +1478,6 @@ 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;
uint32_t supported_rotations;
int ret = -EINVAL;
@@ -1517,14 +1516,7 @@ 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, DPU_ZPOS_MAX);
if (ret)
DPU_ERROR("failed to install zpos property, rc = %d\n", ret);