linux-kernel - [PATCH 4/7] drm/panel: sitronix-st7789v: add bus

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Message-Id: <20230314115644.3775169-5-gerald.loacker@wolfvision.net>
Date:   Tue, 14 Mar 2023 12:56:41 +0100
From:   Gerald Loacker <gerald.loacker@...fvision.net>
To:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Ripard <mripard@...nel.org>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Gerald Loacker <gerald.loacker@...fvision.net>
Subject: [PATCH 4/7] drm/panel: sitronix-st7789v: add bus_flags to connector

Propagate pixel clock sampling edge and data enable polarity. Both are
hardcoded.

Signed-off-by: Gerald Loacker <gerald.loacker@...fvision.net>
---
 drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 24636722c2ff..1ca04585aff2 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -195,6 +195,8 @@ static int st7789v_get_modes(struct drm_panel *panel,
 
 	drm_display_info_set_bus_formats(&connector->display_info, &bus_format,
 					 1);
+	connector->display_info.bus_flags = DRM_BUS_FLAG_DE_HIGH |
+					    DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE;
 
 	/*
 	 * TODO: Remove once all drm drivers call
-- 
2.37.2