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(unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 26979c619; Tue, 21 Oct 2025 10:57:12 +0800 (GMT+08:00) From: Damon Ding To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, inki.dae@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, krzk@kernel.org, alim.akhtar@samsung.com, jingoohan1@gmail.com, p.zabel@pengutronix.de, hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, dmitry.baryshkov@oss.qualcomm.com, dianders@chromium.org, m.szyprowski@samsung.com, luca.ceresoli@bootlin.com, jani.nikula@intel.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Damon Ding Subject: [PATCH v7 08/18] drm/exynos: exynos_dp: Apply of-display-mode-bridge to parse the display-timings node Date: Tue, 21 Oct 2025 10:56:54 +0800 Message-Id: <20251021025701.1524229-1-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251021023130.1523707-1-damon.ding@rock-chips.com> References: <20251021023130.1523707-1-damon.ding@rock-chips.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-HM-Tid: 0a9a04b3047603a3kunmcdd3bf8c5a402a X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQkgfTVYfQh8aGkNDTUhNQ01WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEtNQk tVSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=QIAutRYYHTvhVTgjC3uYoHP/QIXWTsU0vgvlk0wvkLxpZC2ae06FXyl0bVbZmtEwCHWn9pTwidsTlNHoyVBIdYJJxDBQaQO9YjizNS38xlFz8usiUYTSiMxcnhqVxn5ZTKipC+/rniAIq22E2N9GDu9hCcajGXHKC7FJnSLe1Y4=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=DLgwRoSZkiEzvN/zcPKGoFOzo9iVfJiXb9YkvPXxjaY=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" If there is neither a panel nor a bridge, the display timing can be parsed from the display-timings node under the dp node. In order to get rid of &analogix_dp_plat_data.get_modes() and make the codes more consistent, apply DRM of-display-mode-bridge to parse display timings. Signed-off-by: Damon Ding Tested-by: Marek Szyprowski ------ Changes in v6: - Apply DRM legacy bridge to parse display timings instead of implementing the same codes only for Exynos DP. Changes in v7: - Use temporary flag &exynos_dp_device.has_of_bridge, which will be removed in the following patch, instead of applying API drm_bridge_is_legacy(). - Remove exynos_dp_legacy_bridge_init() and inline API devm_drm_of_display_mode_bridge(). --- drivers/gpu/drm/exynos/Kconfig | 1 + drivers/gpu/drm/exynos/exynos_dp.c | 66 ++++++++---------------------- 2 files changed, 17 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 0d13828e7d9e..380d9a8ce259 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -72,6 +72,7 @@ config DRM_EXYNOS_DP select DRM_ANALOGIX_DP select DRM_DISPLAY_DP_HELPER default DRM_EXYNOS + select DRM_OF_DISPLAY_MODE_BRIDGE select DRM_PANEL help This enables support for DP device. diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/ex= ynos_dp.c index e20513164032..ac16138a22fe 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -19,6 +19,7 @@ #include