linux-kernel - [PATCH 2/6] drm/exynos: exynos7_drm_decon: fix suspended condition in decon

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Message-Id: <20240919-exynosdrm-decon-v1-2-6c5861c1cb04@disroot.org>
Date: Thu, 19 Sep 2024 20:41:01 +0530
From: Kaustabh Chakraborty <kauschluss@...root.org>
To: Inki Dae <inki.dae@...sung.com>, Seung-Woo Kim <sw0312.kim@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Kaustabh Chakraborty <kauschluss@...root.org>
Subject: [PATCH 2/6] drm/exynos: exynos7_drm_decon: fix suspended condition
 in decon_commit()

decon_commit() gets called during atomic_enable. At this stage, DECON is
suspended, and thus the function refuses to run. Fix the suspended
condition checking in decon_commit().

Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
---
 drivers/gpu/drm/exynos/exynos7_drm_decon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index e994779694f0..2c4ee87ae6ec 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -152,7 +152,7 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
 	struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
 	u32 val, clkdiv;
 
-	if (ctx->suspended)
+	if (!ctx->suspended)
 		return;
 
 	/* nothing to do if we haven't set the mode yet */

-- 
2.46.1