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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 | |
| 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')
| -rw-r--r-- | drivers/gpu/drm/drm_encoder.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_encoder.c | 3 |
4 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c index 80d88a55302e..fcd3af1ac432 100644 --- a/drivers/gpu/drm/drm_encoder.c +++ b/drivers/gpu/drm/drm_encoder.c @@ -171,7 +171,7 @@ void drm_encoder_cleanup(struct drm_encoder *encoder) struct drm_bridge *next; while (bridge) { - next = bridge->next; + next = drm_bridge_get_next_bridge(bridge); drm_bridge_detach(bridge); bridge = next; } 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; } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index b3e22c890c51..d2750f60f519 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -217,8 +217,8 @@ static int omap_display_id(struct omap_dss_device *output) } else if (output->bridge) { struct drm_bridge *bridge = output->bridge; - while (bridge->next) - bridge = bridge->next; + while (drm_bridge_get_next_bridge(bridge)) + bridge = drm_bridge_get_next_bridge(bridge); node = bridge->of_node; } else if (output->panel) { diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 24bbe9f2a32e..4f2165a37795 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -126,7 +126,8 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, for (dssdev = output; dssdev; dssdev = dssdev->next) omap_encoder_update_videomode_flags(&vm, dssdev->bus_flags); - for (bridge = output->bridge; bridge; bridge = bridge->next) { + for (bridge = output->bridge; bridge; + bridge = drm_bridge_get_next_bridge(bridge)) { if (!bridge->timings) continue; |