From: Eryk Brol <[email protected]>

This reverts commit 39edb76689b8c9e41b1b9e2557da4897a405221b.

Reason for revert: Patch introduces performance issues and might
cause memory consistency problems with multiple connectors.

Signed-off-by: Eryk Brol <[email protected]>
Acked-by: Aurabindo Pillai <[email protected]>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 42 -------------------
 1 file changed, 42 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 71ecd963759e..71d21cf09f4e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -856,45 +856,6 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
        return 0;
 }
 
-static void amdgpu_check_debugfs_connector_property_change(struct 
amdgpu_device *adev,
-                                                          struct 
drm_atomic_state *state)
-{
-       struct drm_connector *connector;
-       struct drm_crtc *crtc;
-       struct amdgpu_dm_connector *amdgpu_dm_connector;
-       struct drm_connector_state *conn_state;
-       struct dm_crtc_state *acrtc_state;
-       struct drm_crtc_state *crtc_state;
-       struct dc_stream_state *stream;
-       struct drm_device *dev = adev_to_drm(adev);
-
-       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-
-               amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
-               conn_state = connector->state;
-
-               if (!(conn_state && conn_state->crtc))
-                       continue;
-
-               crtc = conn_state->crtc;
-               acrtc_state = to_dm_crtc_state(crtc->state);
-
-               if (!(acrtc_state && acrtc_state->stream))
-                       continue;
-
-               stream = acrtc_state->stream;
-
-               if (amdgpu_dm_connector->dsc_settings.dsc_force_enable ||
-                   amdgpu_dm_connector->dsc_settings.dsc_num_slices_v ||
-                   amdgpu_dm_connector->dsc_settings.dsc_num_slices_h ||
-                   amdgpu_dm_connector->dsc_settings.dsc_bits_per_pixel) {
-                       conn_state = drm_atomic_get_connector_state(state, 
connector);
-                       crtc_state = drm_atomic_get_crtc_state(state, crtc);
-                       crtc_state->mode_changed = true;
-               }
-       }
-}
-
 static void mmhub_read_system_context(struct amdgpu_device *adev, struct 
dc_phy_addr_space_config *pa_config)
 {
        uint64_t pt_base;
@@ -948,7 +909,6 @@ static void mmhub_read_system_context(struct amdgpu_device 
*adev, struct dc_phy_
 
 }
 
-
 static int amdgpu_dm_init(struct amdgpu_device *adev)
 {
        struct dc_init_data init_data;
@@ -8759,8 +8719,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
        int ret, i;
        bool lock_and_validation_needed = false;
 
-       amdgpu_check_debugfs_connector_property_change(adev, state);
-
        ret = drm_atomic_helper_check_modeset(dev, state);
        if (ret)
                goto fail;
-- 
2.25.1

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