Convert vc4 to using __drm_atomic_helper_crtc_reset(), instead of
writing its own version. Instead of open coding destroy_state(),
call it directly for freeing the old state.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index e7c04a9eb219..fdf21594b050 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -1041,12 +1041,13 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc,
static void
vc4_crtc_reset(struct drm_crtc *crtc)
{
- if (crtc->state)
- vc4_crtc_destroy_state(crtc->state);
+ struct vc4_crtc_state *crtc_state =
+ kzalloc(sizeof(*crtc_state), GFP_KERNEL);
- crtc->state = kzalloc(sizeof(struct vc4_crtc_state), GFP_KERNEL);
if (crtc->state)
- crtc->state->crtc = crtc;
+ vc4_crtc_destroy_state(crtc, crtc->state);
+
+ __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
}
static const struct drm_crtc_funcs vc4_crtc_funcs = {
--
2.20.1
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