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 A79D519F41C for ; Sat, 18 Oct 2025 02:05:19 +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=1760753119; cv=none; b=FISe167quQ19842NDTUCg5ZZ9eXwczuTLvAqHjSbva9KceFN2SdF8VoGpBJKXOYD0LNfC5euLX4HtruBCh8G0ND4sRrsoRapMG3AnGDXGDetcPQlP+e+dWyPP2NE7FioQqmYiwtZ8zBOrbwnL6cWQMp68ToT0GEPH+6yoiV4m34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760753119; c=relaxed/simple; bh=75Wm0rHny60eHA0JJ+Pvpn1z7ztul8ouLF0DEFE13hU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Al0Wa0kwMEAX7UZjP3vS7oq4BlJll2uocuhtZrzdPLwWqGLPHjCCFYWanWv1CsUeMWIHspdb0/JuQCJmhzpvSiR5wcZPOlWQ+PCPFOb3w6koRPYAvBfnlYtoLOCPIlu/HrnfIB82z+16SqInl/hWGmSZd05HhVG/NsK54HaouWA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sV2yBadF; 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="sV2yBadF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84022C4CEE7; Sat, 18 Oct 2025 02:05:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760753119; bh=75Wm0rHny60eHA0JJ+Pvpn1z7ztul8ouLF0DEFE13hU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sV2yBadFBfaspwvQnvUih9StLpQ/YoPH5EQfU+0PKQWvQO4WHPNazqLLcZ5sM+kuO Had3Q6rm3LnPEQ+I2w+CZTlGjostZLuJDriWimAwWH+lUizq8ONL6B4VqgkoLyafxh 8ts/0cOSTrh7DjwcbtVMLJ3Xp3an0MtFA71pULYZ6x0KRkWFBxZTfXP2ATqfd61Y5I a1D0PFnFrncshSeJcW2UkX4Ebr3wNNIcIVYGdjBL0tPmSuoL9vbHsa3qjmQMuq2GtR Ao4XZGbtL4MXvlfmwmBjP1Q1ejjpP54cQvMfHO7Ap4IQCWi9+jrQDZmauEyy21DlmI WvuPwJHJ0YPIQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Kaustabh Chakraborty , Inki Dae , Sasha Levin Subject: [PATCH 6.12.y 1/3] drm/exynos: exynos7_drm_decon: fix uninitialized crtc reference in functions Date: Fri, 17 Oct 2025 22:05:13 -0400 Message-ID: <20251018020515.208843-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025101639-survey-affix-387d@gregkh> References: <2025101639-survey-affix-387d@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 9eeba254cf45d..99cc3f6803c7a 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