linux-kernel - [PATCH v2 4/7] drm/mediatek: Use drm_atomic destroy

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Date:	Thu, 4 Aug 2016 10:59:54 +0800
From:	Bibby Hsieh <bibby.hsieh@...iatek.com>
To:	David Airlie <airlied@...ux.ie>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	<dri-devel@...ts.freedesktop.org>,
	<linux-mediatek@...ts.infradead.org>
CC:	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Cawa Cheng <cawa.cheng@...iatek.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Bibby Hsieh <bibby.hsieh@...iatek.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	YT Shen <yt.shen@...iatek.com>,
	Thierry Reding <thierry.reding@...il.com>,
	CK Hu <ck.hu@...iatek.com>, Mao Huang <littlecvr@...omium.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Sascha Hauer <kernel@...gutronix.de>
Subject: [PATCH v2 4/7] drm/mediatek: Use drm_atomic destroy_state helpers

Use the core destroy_state helpers to destroy core state to ensure we don't
leak if/when more fields get added later.

Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c  |    3 +--
 drivers/gpu/drm/mediatek/mtk_drm_plane.c |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index d6fbefa..733b2a3 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -112,8 +112,7 @@ static void mtk_drm_crtc_reset(struct drm_crtc *crtc)
 	struct mtk_crtc_state *state;
 
 	if (crtc->state) {
-		if (crtc->state->mode_blob)
-			drm_property_unreference_blob(crtc->state->mode_blob);
+		__drm_atomic_helper_crtc_destroy_state(crtc->state);
 
 		state = to_mtk_crtc_state(crtc->state);
 		memset(state, 0, sizeof(*state));
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index 86b7aed..17172ba 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -73,8 +73,7 @@ static void mtk_plane_reset(struct drm_plane *plane)
 	struct mtk_plane_state *state;
 
 	if (plane->state) {
-		if (plane->state->fb)
-			drm_framebuffer_unreference(plane->state->fb);
+		__drm_atomic_helper_plane_destroy_state(plane->state);
 
 		state = to_mtk_plane_state(plane->state);
 		memset(state, 0, sizeof(*state));
-- 
1.7.9.5