diff options
| author | Simon Ser <simon.ser@intel.com> | 2019-06-17 17:05:01 +0300 |
|---|---|---|
| committer | Simon Ser <simon.ser@intel.com> | 2019-07-02 13:58:24 +0300 |
| commit | 44af059741593587f1c500b00e7b07c5d7240c61 (patch) | |
| tree | 71a3b725fa9157c0a06903014a5bb513074aab05 /lib | |
| parent | a1186616d25fabb951119709ed17e161b501d323 (diff) | |
lib/igt_edid: add edid_get_size
This is a simple helper to get the size in bytes of an arbitrary EDID.
Signed-off-by: Simon Ser <simon.ser@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_chamelium.c | 6 | ||||
| -rw-r--r-- | lib/igt_edid.c | 10 | ||||
| -rw-r--r-- | lib/igt_edid.h | 1 |
3 files changed, 13 insertions, 4 deletions
diff --git a/lib/igt_chamelium.c b/lib/igt_chamelium.c index b83ff395..966d78dc 100644 --- a/lib/igt_chamelium.c +++ b/lib/igt_chamelium.c @@ -538,12 +538,10 @@ struct chamelium_edid *chamelium_new_edid(struct chamelium *chamelium, xmlrpc_value *res; struct chamelium_edid *chamelium_edid; int edid_id; - struct edid *edid = (struct edid *) raw_edid; - size_t edid_size = sizeof(struct edid) + - edid->extensions_len * sizeof(struct edid_ext); + const struct edid *edid = (struct edid *) raw_edid; res = chamelium_rpc(chamelium, NULL, "CreateEdid", "(6)", - raw_edid, edid_size); + raw_edid, edid_get_size(edid)); xmlrpc_read_int(&chamelium->env, res, &edid_id); xmlrpc_DECREF(res); diff --git a/lib/igt_edid.c b/lib/igt_edid.c index e71136f4..6cc5e7dd 100644 --- a/lib/igt_edid.c +++ b/lib/igt_edid.c @@ -275,6 +275,16 @@ void edid_update_checksum(struct edid *edid) } /** + * edid_get_size: return the size of the EDID block in bytes including EDID + * extensions, if any. + */ +size_t edid_get_size(const struct edid *edid) +{ + return sizeof(struct edid) + + edid->extensions_len * sizeof(struct edid_ext); +} + +/** * cea_sad_init_pcm: * @channels: the number of supported channels (max. 8) * @sampling_rates: bitfield of enum cea_sad_sampling_rate diff --git a/lib/igt_edid.h b/lib/igt_edid.h index 00596ef1..8d8e30ec 100644 --- a/lib/igt_edid.h +++ b/lib/igt_edid.h @@ -297,6 +297,7 @@ struct edid { void edid_init(struct edid *edid); void edid_init_with_mode(struct edid *edid, drmModeModeInfo *mode); void edid_update_checksum(struct edid *edid); +size_t edid_get_size(const struct edid *edid); void detailed_timing_set_mode(struct detailed_timing *dt, drmModeModeInfo *mode, int width_mm, int height_mm); void detailed_timing_set_monitor_range_mode(struct detailed_timing *dt, |