Our driver uses reset to create the various object states, but only
calls the helper that allocate a new state. They are thus strictly
equivalent to the new atomic_create_state helpers, so let's switch to
these.

Reviewed-by: Tomi Valkeinen <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
---
 drivers/gpu/drm/tidss/tidss_crtc.c  | 17 +++++++----------
 drivers/gpu/drm/tidss/tidss_plane.c |  2 +-
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c 
b/drivers/gpu/drm/tidss/tidss_crtc.c
index 
a31c21c5f855ac8a94089dd3908e2510193b7d67..66e3d161c60bc14b2982cff4cdd43030d4086798
 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -355,24 +355,21 @@ static void tidss_crtc_destroy_state(struct drm_crtc 
*crtc,
 
        __drm_atomic_helper_crtc_destroy_state(&tstate->base);
        kfree(tstate);
 }
 
-static void tidss_crtc_reset(struct drm_crtc *crtc)
+static struct drm_crtc_state *tidss_crtc_create_state(struct drm_crtc *crtc)
 {
        struct tidss_crtc_state *tstate;
 
-       if (crtc->state)
-               tidss_crtc_destroy_state(crtc, crtc->state);
-
        tstate = kzalloc_obj(*tstate);
-       if (!tstate) {
-               crtc->state = NULL;
-               return;
-       }
+       if (!tstate)
+               return ERR_PTR(-ENOMEM);
 
-       __drm_atomic_helper_crtc_reset(crtc, &tstate->base);
+       __drm_atomic_helper_crtc_create_state(crtc, &tstate->base);
+
+       return &tstate->base;
 }
 
 static struct drm_crtc_state *tidss_crtc_duplicate_state(struct drm_crtc *crtc)
 {
        struct tidss_crtc_state *state, *current_state;
@@ -403,14 +400,14 @@ static void tidss_crtc_destroy(struct drm_crtc *crtc)
        drm_crtc_cleanup(crtc);
        kfree(tcrtc);
 }
 
 static const struct drm_crtc_funcs tidss_crtc_funcs = {
-       .reset = tidss_crtc_reset,
        .destroy = tidss_crtc_destroy,
        .set_config = drm_atomic_helper_set_config,
        .page_flip = drm_atomic_helper_page_flip,
+       .atomic_create_state = tidss_crtc_create_state,
        .atomic_duplicate_state = tidss_crtc_duplicate_state,
        .atomic_destroy_state = tidss_crtc_destroy_state,
        .enable_vblank = tidss_crtc_enable_vblank,
        .disable_vblank = tidss_crtc_disable_vblank,
 };
diff --git a/drivers/gpu/drm/tidss/tidss_plane.c 
b/drivers/gpu/drm/tidss/tidss_plane.c
index 
aaa02c851c595aa3781ec2e6741af1999092aa40..518498d4576528a0ec59fd03cf27a87b1b3f1e6e
 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -176,12 +176,12 @@ static const struct drm_plane_helper_funcs 
tidss_primary_plane_helper_funcs = {
 };
 
 static const struct drm_plane_funcs tidss_plane_funcs = {
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
-       .reset = drm_atomic_helper_plane_reset,
        .destroy = drm_plane_destroy,
+       .atomic_create_state = drm_atomic_helper_plane_create_state,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 };
 
 struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,

-- 
2.53.0

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