linux-kernel - [PATCH 4/4] drm/panel/exynos: Keep up with refcounting

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Message-Id: <20250604-of_drm_find_panel_part1-v1-4-c632e12e131d@redhat.com>
Date: Wed, 04 Jun 2025 22:45:13 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Inki Dae <inki.dae@...sung.com>, Jagan Teki <jagan@...rulasolutions.com>, 
 Marek Szyprowski <m.szyprowski@...sung.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Chen-Yu Tsai <wens@...e.org>, Samuel Holland <samuel@...lland.org>, 
 Seung-Woo Kim <sw0312.kim@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
 linux-samsung-soc@...r.kernel.org, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 4/4] drm/panel/exynos: Keep up with refcounting

Put the panel reference back when driver is no
longer using it.

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
 drivers/gpu/drm/exynos/exynos_drm_dpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 0dc36df6ada34cd0d4544f14e616fe3c52dafc73..7b82ff7f2d2761a679fe3b319a73f7d1d4c87033 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -138,6 +138,7 @@ static void exynos_dpi_disable(struct drm_encoder *encoder)
 		drm_panel_disable(ctx->panel);
 		drm_panel_unprepare(ctx->panel);
 	}
+	drm_panel_put(ctx->panel);
 }
 
 static const struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = {

-- 
2.48.1