Removes the now uncalled pm_suspend/resume code. Also removes
dpu_kms_is_suspend_blocked which is never called, and changes
dpu_kms_is_suspend_state to work with the new msm_pm_suspend/resume
implementations.
Signed-off-by: Bruce Wang <bzwang@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 121 ------------------------
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 23 +----
2 files changed, 2 insertions(+), 142 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index e0142912d676..ff06b50dfc87 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -709,127 +709,6 @@ static void dpu_kms_destroy(struct msm_kms *kms)
_dpu_kms_hw_destroy(dpu_kms);
}
-static int dpu_kms_pm_suspend(struct device *dev)
-{
- struct drm_device *ddev;
- struct drm_modeset_acquire_ctx ctx;
- struct drm_atomic_state *state;
- struct dpu_kms *dpu_kms;
- int ret = 0, num_crtcs = 0;
-
- if (!dev)
- return -EINVAL;
-
- ddev = dev_get_drvdata(dev);
- if (!ddev || !ddev_to_msm_kms(ddev))
- return -EINVAL;
-
- dpu_kms = to_dpu_kms(ddev_to_msm_kms(ddev));
-
- /* disable hot-plug polling */
- drm_kms_helper_poll_disable(ddev);
-
- /* acquire modeset lock(s) */
- drm_modeset_acquire_init(&ctx, 0);
-
-retry:
- DPU_ATRACE_BEGIN("kms_pm_suspend");
-
- ret = drm_modeset_lock_all_ctx(ddev, &ctx);
- if (ret)
- goto unlock;
-
- /* save current state for resume */
- if (dpu_kms->suspend_state)
- drm_atomic_state_put(dpu_kms->suspend_state);
- dpu_kms->suspend_state = drm_atomic_helper_duplicate_state(ddev, &ctx);
- if (IS_ERR_OR_NULL(dpu_kms->suspend_state)) {
- DRM_ERROR("failed to back up suspend state\n");
- dpu_kms->suspend_state = NULL;
- goto unlock;
- }
-
- /* create atomic state to disable all CRTCs */
- state = drm_atomic_state_alloc(ddev);
- if (IS_ERR_OR_NULL(state)) {
- DRM_ERROR("failed to allocate crtc disable state\n");
- goto unlock;
- }
-
- state->acquire_ctx = &ctx;
-
- /* check for nothing to do */
- if (num_crtcs == 0) {
- DRM_DEBUG("all crtcs are already in the off state\n");
- drm_atomic_state_put(state);
- goto suspended;
- }
-
- /* commit the "disable all" state */
- ret = drm_atomic_commit(state);
- if (ret < 0) {
- DRM_ERROR("failed to disable crtcs, %d\n", ret);
- drm_atomic_state_put(state);
- goto unlock;
- }
-
-suspended:
- dpu_kms->suspend_block = true;
-
-unlock:
- if (ret == -EDEADLK) {
- drm_modeset_backoff(&ctx);
- goto retry;
- }
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- DPU_ATRACE_END("kms_pm_suspend");
- return 0;
-}
-
-static int dpu_kms_pm_resume(struct device *dev)
-{
- struct drm_device *ddev;
- struct dpu_kms *dpu_kms;
- int ret;
-
- if (!dev)
- return -EINVAL;
-
- ddev = dev_get_drvdata(dev);
- if (!ddev || !ddev_to_msm_kms(ddev))
- return -EINVAL;
-
- dpu_kms = to_dpu_kms(ddev_to_msm_kms(ddev));
-
- DPU_ATRACE_BEGIN("kms_pm_resume");
-
- drm_mode_config_reset(ddev);
-
- drm_modeset_lock_all(ddev);
-
- dpu_kms->suspend_block = false;
-
- if (dpu_kms->suspend_state) {
- dpu_kms->suspend_state->acquire_ctx =
- ddev->mode_config.acquire_ctx;
- ret = drm_atomic_commit(dpu_kms->suspend_state);
- if (ret < 0) {
- DRM_ERROR("failed to restore state, %d\n", ret);
- drm_atomic_state_put(dpu_kms->suspend_state);
- }
- dpu_kms->suspend_state = NULL;
- }
- drm_modeset_unlock_all(ddev);
-
- /* enable hot-plug polling */
- drm_kms_helper_poll_enable(ddev);
-
- DPU_ATRACE_END("kms_pm_resume");
- return 0;
-}
-
static void _dpu_kms_set_encoder_mode(struct msm_kms *kms,
struct drm_encoder *encoder,
bool cmd_mode)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 66d466628e2b..b04aa222e150 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -135,10 +135,6 @@ struct dpu_kms {
struct dpu_core_perf perf;
- /* saved atomic state during system suspend */
- struct drm_atomic_state *suspend_state;
- bool suspend_block;
-
struct dpu_rm rm;
bool rm_init;
@@ -170,24 +166,9 @@ struct vsync_info {
*/
static inline bool dpu_kms_is_suspend_state(struct drm_device *dev)
{
- if (!ddev_to_msm_kms(dev))
- return false;
-
- return to_dpu_kms(ddev_to_msm_kms(dev))->suspend_state != NULL;
-}
-
-/**
- * dpu_kms_is_suspend_blocked - whether or not commits are blocked due to pm
- * suspend status
- * @dev: Pointer to drm device
- * Return: True if commits should be rejected due to pm suspend
- */
-static inline bool dpu_kms_is_suspend_blocked(struct drm_device *dev)
-{
- if (!dpu_kms_is_suspend_state(dev))
- return false;
+ struct msm_drm_private *priv = dev->dev_private;
- return to_dpu_kms(ddev_to_msm_kms(dev))->suspend_block;
+ return !IS_ERR_OR_NULL(priv->pm_state);
}
/**
--
2.19.0.605.g01d371f741-goog
