From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ajay Kumar Subject: [PATCH V4 08/10] drm/exynos: dp: create bridge chain using ptn3460 and panel_binder Date: Wed, 11 Jun 2014 23:57:06 +0530 Message-ID: <1402511228-18945-9-git-send-email-ajaykumar.rs@samsung.com> References: <1402511228-18945-1-git-send-email-ajaykumar.rs@samsung.com> Return-path: In-reply-to: <1402511228-18945-1-git-send-email-ajaykumar.rs@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org Cc: inki.dae@samsung.com, seanpaul@google.com, ajaynumb@gmail.com, robdclark@gmail.com, daniel.vetter@ffwll.ch, thierry.reding@gmail.com, joshi@samsung.com, prashanth.g@samsung.com, marcheu@chromium.org, Ajay Kumar List-Id: devicetree@vger.kernel.org exynos_dp supports a simple bridge chain with ptn3460 bridge and an LVDS panel attached to it. This patch creates the bridge chain with ptn3460 as the head of the list and panel_binder being the tail. Signed-off-by: Ajay Kumar --- drivers/gpu/drm/exynos/exynos_dp_core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index d8546ea..69535f7 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "exynos_drm_drv.h" #include "exynos_dp_core.h" @@ -992,7 +993,7 @@ static int exynos_drm_attach_lcd_bridge(struct exynos_dp_device *dp, struct drm_encoder *encoder) { struct bridge_init bridge; - struct drm_bridge *bridge_chain = NULL; + struct drm_bridge *bridge_chain = NULL, *next = NULL; bool connector_created = false; if (find_bridge("nxp,ptn3460", &bridge)) { @@ -1000,6 +1001,15 @@ static int exynos_drm_attach_lcd_bridge(struct exynos_dp_device *dp, bridge.node); } + if (bridge_chain && dp->edp_panel) { + next = panel_binder_init(dp->drm_dev, encoder, bridge.client, + bridge.node, dp->edp_panel, DRM_MODE_CONNECTOR_LVDS, + DRM_CONNECTOR_POLL_HPD); + if (next) + connector_created = true; + drm_bridge_add_to_chain(bridge_chain, next); + } + return connector_created; } -- 1.7.9.5