diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi5.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi5.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 8e3790dd8b98..99720dfc5769 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -410,27 +410,39 @@ static void hdmi_disconnect(struct omap_dss_device *src, omapdss_device_disconnect(dst, dst->next); } -static int hdmi_read_edid(struct omap_dss_device *dssdev, - u8 *edid, int len) +#define MAX_EDID 512 + +static struct edid *hdmi_read_edid(struct omap_dss_device *dssdev) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); bool need_enable; + u8 *edid; int r; + edid = kzalloc(MAX_EDID, GFP_KERNEL); + if (!edid) + return NULL; + need_enable = hdmi->core_enabled == false; if (need_enable) { r = hdmi_core_enable(hdmi); - if (r) - return r; + if (r) { + kfree(edid); + return NULL; + } } - r = read_edid(hdmi, edid, len); + r = read_edid(hdmi, edid, MAX_EDID); + if (r < 0) { + kfree(edid); + edid = NULL; + } if (need_enable) hdmi_core_disable(hdmi); - return r; + return (struct edid *)edid; } static int hdmi_set_infoframe(struct omap_dss_device *dssdev, |