[PATCH 6.12 240/826] drm/vc4: Match drm_dev_enter and exit calls in vc4_hvs_atomic_flush

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6.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>

[ Upstream commit 6b0bd1b02ea24b10522c92b2503981970b26d1a2 ]

Commit 92c17d16476c ("drm/vc4: hvs: Ignore atomic_flush if we're disabled")
added a path which returned early without having called drm_dev_exit.

Ensure all paths call drm_dev_exit.

Fixes: 92c17d16476c ("drm/vc4: hvs: Ignore atomic_flush if we're disabled")
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Reviewed-by: Maíra Canal <mcanal@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20241008-drm-vc4-fixes-v1-2-9d0396ca9f42@xxxxxxxxxxxxxxx
Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/vc4/vc4_hvs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index 15e4c888c4afd..f30022a360a8a 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -584,7 +584,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc,
 	}
 
 	if (vc4_state->assigned_channel == VC4_HVS_CHANNEL_DISABLED)
-		return;
+		goto exit;
 
 	if (debug_dump_regs) {
 		DRM_INFO("CRTC %d HVS before:\n", drm_crtc_index(crtc));
@@ -667,6 +667,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc,
 		vc4_hvs_dump_state(hvs);
 	}
 
+exit:
 	drm_dev_exit(idx);
 }
 
-- 
2.43.0







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