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| author | Boris Brezillon <boris.brezillon@collabora.com> | 2019-12-03 15:15:06 +0100 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2019-12-09 10:02:22 +0100 |
| commit | fadf872d9d9274a3be34d8438e0f6bb465c8f98b (patch) | |
| tree | c6061fd017acd55b3c7145ff3ae0f482618a05ab /drivers/gpu/drm/mediatek/mtk_hdmi.c | |
| parent | ea099adfdf4bf35903dc1c0f59a0d60175759c70 (diff) | |
| download | linux-fadf872d9d9274a3be34d8438e0f6bb465c8f98b.tar.bz2 | |
drm/bridge: Introduce drm_bridge_get_next_bridge()
And use it in drivers accessing the bridge->next field directly.
This is part of our attempt to make the bridge chain a double-linked list
based on the generic list helpers.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191203141515.3597631-3-boris.brezillon@collabora.com
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index ee3a5e9c10c4..5e4a4dbda443 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1238,16 +1238,18 @@ static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn, struct drm_display_mode *mode) { struct mtk_hdmi *hdmi = hdmi_ctx_from_conn(conn); + struct drm_bridge *next_bridge; dev_dbg(hdmi->dev, "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", mode->hdisplay, mode->vdisplay, mode->vrefresh, !!(mode->flags & DRM_MODE_FLAG_INTERLACE), mode->clock * 1000); - if (hdmi->bridge.next) { + next_bridge = drm_bridge_get_next_bridge(&hdmi->bridge); + if (next_bridge) { struct drm_display_mode adjusted_mode; drm_mode_copy(&adjusted_mode, mode); - if (!drm_bridge_chain_mode_fixup(hdmi->bridge.next, mode, + if (!drm_bridge_chain_mode_fixup(next_bridge, mode, &adjusted_mode)) return MODE_BAD; } |