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 8972E5336E; Tue, 3 Dec 2024 15:47:04 +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=1733240824; cv=none; b=KTyAzb2JDoaA3LK12Nhoi3R6InnHyJxu9ZX5TOenlPUoVJ4ur2s+leanHZgbM6Rw/LNfwgWto362UM0O+qnxqKS3/AkO6r5kcllMGHIzleGPlUICJFEO2Q8NenShIlqMsqV1DyZ8tdiNIE3Wve7XhQm/I32wokpPiaE7JkaNUPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733240824; c=relaxed/simple; bh=U+900Lb/rZ+4XicT2WXBgAePZO4xN+MOdHnXrICZm/E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZrbwAKA5ux1Ej29YisYR0WCpfSCxdaaQdj8Sd9xwOK0svEDNNUQhDuaMZgKOh78zAw//JocvIjmnYn+5FECBByfB7UvCDw5je5x3NkIpw0uP2JUtroPoleXi5wYgXqrFcdH/zEPD78pte7IpUR8drOhHXqgok/J3au63Z1HIaCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=j/X5E9kG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="j/X5E9kG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF27FC4CECF; Tue, 3 Dec 2024 15:47:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1733240824; bh=U+900Lb/rZ+4XicT2WXBgAePZO4xN+MOdHnXrICZm/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j/X5E9kGqRujo7T4W3YNboa3VwbRtxHfY/P3VZjfV35r/Lh0naNkBHe63hEOx58i4 60J0W8uAcmKop4O551L/oeELacr9UV0TppIuInh+kOZSU6k+HsraVosTMunKUi7o/F OYJK5767eMSRKeaonDsPfIT6Ea2LfT4xrZdfckKU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Philipp Zabel , Chris Healy , Dmitry Baryshkov , Sasha Levin Subject: [PATCH 6.12 203/826] drm/imx: parallel-display: switch to drm_panel_bridge Date: Tue, 3 Dec 2024 15:38:50 +0100 Message-ID: <20241203144751.666134965@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241203144743.428732212@linuxfoundation.org> References: <20241203144743.428732212@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ Upstream commit 5f6e56d3319d2fd20d4c81b4f0212f4d09d7c1f1 ] Defer panel handling to drm_panel_bridge, unifying codepaths for the panel and bridge cases. Reviewed-by: Philipp Zabel Tested-by: Chris Healy Tested-by: Philipp Zabel # on imx6q-nitrogen6x Link: https://patchwork.freedesktop.org/patch/msgid/20240602-drm-imx-cleanup-v3-8-e549e2a43100@linaro.org Signed-off-by: Dmitry Baryshkov Stable-dep-of: f673055a4678 ("drm/imx: Add missing DRM_BRIDGE_CONNECTOR dependency") Signed-off-by: Sasha Levin --- drivers/gpu/drm/imx/ipuv3/Kconfig | 3 +- drivers/gpu/drm/imx/ipuv3/parallel-display.c | 36 +++++--------------- 2 files changed, 10 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/imx/ipuv3/Kconfig b/drivers/gpu/drm/imx/ipuv3/Kconfig index 6abcf9c833d44..f083d313d1d3a 100644 --- a/drivers/gpu/drm/imx/ipuv3/Kconfig +++ b/drivers/gpu/drm/imx/ipuv3/Kconfig @@ -11,8 +11,9 @@ config DRM_IMX config DRM_IMX_PARALLEL_DISPLAY tristate "Support for parallel displays" - select DRM_PANEL depends on DRM_IMX + select DRM_BRIDGE + select DRM_PANEL_BRIDGE select VIDEOMODE_HELPERS config DRM_IMX_TVE diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c index 4d17fb96e77c5..9ac2a94fa62be 100644 --- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c +++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include @@ -36,7 +35,6 @@ struct imx_parallel_display { u32 bus_format; u32 bus_flags; struct drm_display_mode mode; - struct drm_panel *panel; struct drm_bridge *next_bridge; }; @@ -56,10 +54,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) struct device_node *np = imxpd->dev->of_node; int num_modes; - num_modes = drm_panel_get_modes(imxpd->panel, connector); - if (num_modes > 0) - return num_modes; - if (np) { struct drm_display_mode *mode = drm_mode_create(connector->dev); int ret; @@ -84,22 +78,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) return num_modes; } -static void imx_pd_bridge_enable(struct drm_bridge *bridge) -{ - struct imx_parallel_display *imxpd = bridge_to_imxpd(bridge); - - drm_panel_prepare(imxpd->panel); - drm_panel_enable(imxpd->panel); -} - -static void imx_pd_bridge_disable(struct drm_bridge *bridge) -{ - struct imx_parallel_display *imxpd = bridge_to_imxpd(bridge); - - drm_panel_disable(imxpd->panel); - drm_panel_unprepare(imxpd->panel); -} - static const u32 imx_pd_bus_fmts[] = { MEDIA_BUS_FMT_RGB888_1X24, MEDIA_BUS_FMT_BGR888_1X24, @@ -237,8 +215,6 @@ static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = { }; static const struct drm_bridge_funcs imx_pd_bridge_funcs = { - .enable = imx_pd_bridge_enable, - .disable = imx_pd_bridge_disable, .atomic_reset = drm_atomic_helper_bridge_reset, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, @@ -315,10 +291,14 @@ static int imx_pd_probe(struct platform_device *pdev) return -ENOMEM; /* port@1 is the output port */ - ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel, - &imxpd->next_bridge); - if (ret && ret != -ENODEV) - return ret; + imxpd->next_bridge = devm_drm_of_get_bridge(dev, np, 1, 0); + if (IS_ERR(imxpd->next_bridge)) { + ret = PTR_ERR(imxpd->next_bridge); + if (ret != -ENODEV) + return ret; + + imxpd->next_bridge = NULL; + } ret = of_property_read_string(np, "interface-pix-fmt", &fmt); if (!ret) { -- 2.43.0