From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F1C4235C01 for ; Sat, 18 Oct 2025 02:34:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760754900; cv=none; b=knIul8PgK9916K2XgFr1tSGpO6bFGgTSeDJv6+7fZazVJqr1laVrcR+gQUrl9pr78XLzNjOLztgOrKI6sfwrwPu6mTBXYB3tcXk4NoJ3JXOf02s+bmfHS82cUy9mvGpc4XP9NPLXxcNGiLXW+HuMpa0UL+WIPCuGIzm7inmliVQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760754900; c=relaxed/simple; bh=gLMjXnSh46nzHRKrJyDttRRxP97Yl0ViVw7RYPtMqsQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=T6gffcfPJjIG2pdoxpG8IoFBF2AsnXtHT4JgRcWefWkdCHQJ8usMdJk3RYvtIZp1VXwh1oaPQn8bYmfwh0ZplmzmwWDwR8O4296KzOBhc1dlU4EPlVDJmFahx/4yGVY5ktOfBLVWU9gctSMLlNnNOjWePoCBAEkuWth5JnZ8jfE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oen4wbPg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oen4wbPg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 304DEC4CEE7; Sat, 18 Oct 2025 02:34:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760754899; bh=gLMjXnSh46nzHRKrJyDttRRxP97Yl0ViVw7RYPtMqsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oen4wbPgrK/VgObjxdHTFbSur+O2IEIBMkU+1I+7fglBV7/Y8+6nEbjPKtvI/zYV7 3d4yXCQF6fQa9fNKjNZ/gzFc3uOjbufOBZT00CPFKrz1o5csvabZNVN70ZLuN6ShT4 liQegqNO9XP/5eJqRv2lUgggcGeTocjX+qU5/ddqca+SGB+6+F0TRrK6Q6Ug+XeqCL G9VhmneJNq8FiktGsJvSP4mKtVnqyOlsVYXBN4osCxI8/AGG4fRZu/Nx9iMpnZu2KZ vpQ5V+2hidHC35HpGVihRQrHF/e5sU0DB69Hu0QHubo0dB06ugwl0EXQ1EccyVzsFc R0wvTGJRS8dpQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Kaustabh Chakraborty , Inki Dae , Sasha Levin Subject: [PATCH 5.15.y 1/3] drm/exynos: exynos7_drm_decon: fix uninitialized crtc reference in functions Date: Fri, 17 Oct 2025 22:34:55 -0400 Message-ID: <20251018023457.221641-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025101640-enviable-movable-b2dd@gregkh> References: <2025101640-enviable-movable-b2dd@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Kaustabh Chakraborty [ Upstream commit d31bbacf783daf1e71fbe5c68df93550c446bf44 ] Modify the functions to accept a pointer to struct decon_context instead. Signed-off-by: Kaustabh Chakraborty Signed-off-by: Inki Dae Stable-dep-of: e1361a4f1be9 ("drm/exynos: exynos7_drm_decon: remove ctx->suspended") Signed-off-by: Sasha Levin --- drivers/gpu/drm/exynos/exynos7_drm_decon.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index d255c03aed225..abd08991a6d18 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -81,10 +81,8 @@ static const enum drm_plane_type decon_win_types[WINDOWS_NR] = { DRM_PLANE_TYPE_CURSOR, }; -static void decon_wait_for_vblank(struct exynos_drm_crtc *crtc) +static void decon_wait_for_vblank(struct decon_context *ctx) { - struct decon_context *ctx = crtc->ctx; - if (ctx->suspended) return; @@ -100,9 +98,8 @@ static void decon_wait_for_vblank(struct exynos_drm_crtc *crtc) DRM_DEV_DEBUG_KMS(ctx->dev, "vblank wait timed out.\n"); } -static void decon_clear_channels(struct exynos_drm_crtc *crtc) +static void decon_clear_channels(struct decon_context *ctx) { - struct decon_context *ctx = crtc->ctx; unsigned int win, ch_enabled = 0; /* Check if any channel is enabled. */ @@ -118,7 +115,7 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc) /* Wait for vsync, as disable channel takes effect at next vsync */ if (ch_enabled) - decon_wait_for_vblank(ctx->crtc); + decon_wait_for_vblank(ctx); } static int decon_ctx_initialize(struct decon_context *ctx, @@ -126,7 +123,7 @@ static int decon_ctx_initialize(struct decon_context *ctx, { ctx->drm_dev = drm_dev; - decon_clear_channels(ctx->crtc); + decon_clear_channels(ctx); return exynos_drm_register_dma(drm_dev, ctx->dev, &ctx->dma_priv); } -- 2.51.0