Revert "drm/amd/display: change the panel power savings level without a modeset"

This reverts commit 8d20a066fa9beb1ec559b12945414a51d17d07e5.

It's causing a failure in the abm_gradual igt test.

Signed-off-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 16 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 1d2d5fb3c56f..6e79028c5d78 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6908,14 +6908,9 @@ static ssize_t panel_power_savings_store(struct device *device,
 					 const char *buf, size_t count)
 {
 	struct drm_connector *connector = dev_get_drvdata(device);
-	struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
 	struct drm_device *dev = connector->dev;
-	struct amdgpu_device *adev = drm_to_adev(dev);
-	struct dc *dc = adev->dm.dc;
-	struct pipe_ctx *pipe_ctx;
 	long val;
 	int ret;
-	int i;
 
 	ret = kstrtol(buf, 0, &val);
 
@@ -6930,17 +6925,7 @@ static ssize_t panel_power_savings_store(struct device *device,
 		ABM_LEVEL_IMMEDIATE_DISABLE;
 	drm_modeset_unlock(&dev->mode_config.connection_mutex);
 
-	mutex_lock(&adev->dm.dc_lock);
-	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-		pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
-
-		if (pipe_ctx->stream &&
-		    pipe_ctx->stream->link == aconn->dc_link) {
-			dc_set_abm_level(dc, pipe_ctx, val);
-			break;
-		}
-	}
-	mutex_unlock(&adev->dm.dc_lock);
+	drm_kms_helper_hotplug_event(dev);
 
 	return count;
 }