From: Sean Paul <seanp...@chromium.org>

power_events are only used for pm_runtime, and that's all handled in
dpu_kms. So just call vbif_init_memtypes at the correct times.

Changes in v2:
- Removed obsolete comment (Jeykumar)

Cc: Jeykumar Sankaran <jsa...@codeaurora.org>
Signed-off-by: Sean Paul <seanp...@chromium.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 24 +++---------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h |  1 -
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 23094d108e81..ab8574ab8327 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -651,10 +651,6 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms)
                dpu_hw_intr_destroy(dpu_kms->hw_intr);
        dpu_kms->hw_intr = NULL;
 
-       if (dpu_kms->power_event)
-               dpu_power_handle_unregister_event(
-                               &dpu_kms->phandle, dpu_kms->power_event);
-
        /* safe to call these more than once during shutdown */
        _dpu_debugfs_destroy(dpu_kms);
        _dpu_kms_mmu_destroy(dpu_kms);
@@ -832,16 +828,6 @@ u64 dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char 
*clock_name)
        return clk_get_rate(clk->clk);
 }
 
-static void dpu_kms_handle_power_event(u32 event_type, void *usr)
-{
-       struct dpu_kms *dpu_kms = usr;
-
-       if (!dpu_kms)
-               return;
-
-       dpu_vbif_init_memtypes(dpu_kms);
-}
-
 static int dpu_kms_hw_init(struct msm_kms *kms)
 {
        struct dpu_kms *dpu_kms;
@@ -1012,13 +998,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
         */
        dev->mode_config.allow_fb_modifiers = true;
 
-       /*
-        * Handle (re)initializations during power enable
-        */
-       dpu_kms_handle_power_event(DPU_POWER_EVENT_ENABLE, dpu_kms);
-       dpu_kms->power_event = dpu_power_handle_register_event(
-                       &dpu_kms->phandle, DPU_POWER_EVENT_ENABLE,
-                       dpu_kms_handle_power_event, dpu_kms, "kms");
+       dpu_vbif_init_memtypes(dpu_kms);
 
        pm_runtime_put_sync(&dpu_kms->pdev->dev);
 
@@ -1172,6 +1152,8 @@ static int __maybe_unused dpu_runtime_resume(struct 
device *dev)
                return rc;
        }
 
+       dpu_vbif_init_memtypes(dpu_kms);
+
        rc = dpu_power_resource_enable(&dpu_kms->phandle, true);
        if (rc)
                DPU_ERROR("resource enable failed: %d\n", rc);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index f2c78deb0854..5f08be187c86 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -114,7 +114,6 @@ struct dpu_kms {
        struct dpu_mdss_cfg *catalog;
 
        struct dpu_power_handle phandle;
-       struct dpu_power_event *power_event;
 
        /* directory entry for debugfs */
        struct dentry *debugfs_root;
-- 
Sean Paul, Software Engineer, Google / Chromium OS

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