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authorJyri Sarha <jsarha@ti.com>2019-05-27 16:47:53 +0300
committerAndrzej Hajda <a.hajda@samsung.com>2019-05-31 16:57:08 +0300
commitbceee9bb894887ac38fae0f3f784dad4302114fd (patch)
tree5399b5aaadefa7d17e8bedd02369aa859ea187d1 /drivers/gpu/drm/bridge/sii902x.c
parent9fba099b7a84308922017cd6ca1c4c8b4954cb99 (diff)
downloadlinux-bceee9bb894887ac38fae0f3f784dad4302114fd.tar.xz
drm/bridge: sii902x: Set output mode to HDMI or DVI according to EDID
Set output mode to HDMI or DVI according to EDID HDMI signature. Signed-off-by: Jyri Sarha <jsarha@ti.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/c42838073b83185a5cf9949caab3c70ee093b791.1558964241.git.jsarha@ti.com
Diffstat (limited to 'drivers/gpu/drm/bridge/sii902x.c')
-rw-r--r--drivers/gpu/drm/bridge/sii902x.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 0d3d730b97ff..2ced4f404cae 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -181,12 +181,16 @@ static int sii902x_get_modes(struct drm_connector *connector)
{
struct sii902x *sii902x = connector_to_sii902x(connector);
u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ u8 output_mode = SII902X_SYS_CTRL_OUTPUT_DVI;
struct edid *edid;
int num = 0, ret;
edid = drm_get_edid(connector, sii902x->i2cmux->adapter[0]);
drm_connector_update_edid_property(connector, edid);
if (edid) {
+ if (drm_detect_hdmi_monitor(edid))
+ output_mode = SII902X_SYS_CTRL_OUTPUT_HDMI;
+
num = drm_add_edid_modes(connector, edid);
kfree(edid);
}
@@ -196,6 +200,11 @@ static int sii902x_get_modes(struct drm_connector *connector)
if (ret)
return ret;
+ ret = regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,
+ SII902X_SYS_CTRL_OUTPUT_MODE, output_mode);
+ if (ret)
+ return ret;
+
return num;
}