diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-02-26 14:24:45 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2020-02-26 14:31:48 +0300 |
| commit | c83fefd738344cf5bf22e1e1442e6f746b85c1d4 (patch) | |
| tree | 70a7a33021474dc8703e6d60d8a38792a1f29475 /drivers/gpu/drm/omapdrm/dss/output.c | |
| parent | a779618b4a07d90fd332b6dbb4e836678d0a1d43 (diff) | |
| download | linux-c83fefd738344cf5bf22e1e1442e6f746b85c1d4.tar.xz | |
drm/omap: dss: Fix output next device lookup in DT
The DSS core looks up the next device connected to an output by
traversing the OF graph. It currently hardcodes the local port number to
0, which breaks any output with a different port number (SDI on OMAP3
and any DPI output but the first one). Fix this by repurposing the
currently unused of_ports bitmask in omap_dss_device with an of_port
output port number, and use it to traverse the OF graph.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-26-laurent.pinchart@ideasonboard.com
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/output.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/output.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index 99a253a424c1..c1ec9d343e53 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -4,7 +4,6 @@ * Author: Archit Taneja <archit@ti.com> */ -#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -24,7 +23,7 @@ int omapdss_device_init_output(struct omap_dss_device *out) int ret; remote_node = of_graph_get_remote_node(out->dev->of_node, - ffs(out->of_ports) - 1, 0); + out->of_port, 0); if (!remote_node) { dev_dbg(out->dev, "failed to find video sink\n"); return 0; |