drm/msm/dpu: move disable_danger out of plane subdir

The disable_danger debugfs file is not related to a single plane.
Instead it is used by all registered planes. Move it from plane subtree
to the global subtree next to danger_status and safe_status files,
so that the new file supplements them.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20211201222633.2476780-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

1 files changed, 1 insertions, 73 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index e81043daa749..2ff17debf40c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1342,7 +1342,7 @@ static void dpu_plane_reset(struct drm_plane *plane)
 }
 
 #ifdef CONFIG_DEBUG_FS
-static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
+void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
 {
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
 	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
@@ -1355,73 +1355,6 @@ static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 }
 
-static ssize_t _dpu_plane_danger_read(struct file *file,
-			char __user *buff, size_t count, loff_t *ppos)
-{
-	struct dpu_kms *kms = file->private_data;
-	int len;
-	char buf[40];
-
-	len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl);
-
-	return simple_read_from_buffer(buff, count, ppos, buf, len);
-}
-
-static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable)
-{
-	struct drm_plane *plane;
-
-	drm_for_each_plane(plane, kms->dev) {
-		if (plane->fb && plane->state) {
-			dpu_plane_danger_signal_ctrl(plane, enable);
-			DPU_DEBUG("plane:%d img:%dx%d ",
-				plane->base.id, plane->fb->width,
-				plane->fb->height);
-			DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n",
-				plane->state->src_x >> 16,
-				plane->state->src_y >> 16,
-				plane->state->src_w >> 16,
-				plane->state->src_h >> 16,
-				plane->state->crtc_x, plane->state->crtc_y,
-				plane->state->crtc_w, plane->state->crtc_h);
-		} else {
-			DPU_DEBUG("Inactive plane:%d\n", plane->base.id);
-		}
-	}
-}
-
-static ssize_t _dpu_plane_danger_write(struct file *file,
-		    const char __user *user_buf, size_t count, loff_t *ppos)
-{
-	struct dpu_kms *kms = file->private_data;
-	int disable_panic;
-	int ret;
-
-	ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic);
-	if (ret)
-		return ret;
-
-	if (disable_panic) {
-		/* Disable panic signal for all active pipes */
-		DPU_DEBUG("Disabling danger:\n");
-		_dpu_plane_set_danger_state(kms, false);
-		kms->has_danger_ctrl = false;
-	} else {
-		/* Enable panic signal for all active pipes */
-		DPU_DEBUG("Enabling danger:\n");
-		kms->has_danger_ctrl = true;
-		_dpu_plane_set_danger_state(kms, true);
-	}
-
-	return count;
-}
-
-static const struct file_operations dpu_plane_danger_enable = {
-	.open = simple_open,
-	.read = _dpu_plane_danger_read,
-	.write = _dpu_plane_danger_write,
-};
-
 static int _dpu_plane_init_debugfs(struct drm_plane *plane)
 {
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
@@ -1490,11 +1423,6 @@ static int _dpu_plane_init_debugfs(struct drm_plane *plane)
 			pdpu->debugfs_root,
 			(u32 *) &sblk->danger_vblank);
 
-	debugfs_create_file("disable_danger",
-			0600,
-			pdpu->debugfs_root,
-			kms, &dpu_plane_danger_enable);
-
 	return 0;
 }
 #else