drm/msm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

As requested in Documentation/gpu/todo.rst, replace driver calls to
drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
DRM_MODESET_LOCK_ALL_END()

Signed-off-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924064324.229457-12-greenfoo@u92.eu

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 7680122..b896870 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -18,6 +18,7 @@
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_rect.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_drv.h>
 
 #include "dpu_kms.h"
 #include "dpu_hw_lm.h"
@@ -1172,14 +1173,15 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
        struct drm_display_mode *mode;
        struct drm_framebuffer *fb;
        struct drm_plane_state *state;
+       struct drm_modeset_acquire_ctx ctx;
        struct dpu_crtc_state *cstate;
 
-       int i, out_width;
+       int i, out_width, ret;
 
        dpu_crtc = s->private;
        crtc = &dpu_crtc->base;
 
-       drm_modeset_lock_all(crtc->dev);
+       DRM_MODESET_LOCK_ALL_BEGIN(crtc->dev, ctx, 0, ret);
        cstate = to_dpu_crtc_state(crtc->state);
 
        mode = &crtc->state->adjusted_mode;
@@ -1263,9 +1265,9 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
                dpu_crtc->vblank_cb_time = ktime_set(0, 0);
        }
 
-       drm_modeset_unlock_all(crtc->dev);
+       DRM_MODESET_LOCK_ALL_END(crtc->dev, ctx, ret);
 
-       return 0;
+       return ret;
 }
 
 DEFINE_SHOW_ATTRIBUTE(_dpu_debugfs_status);