drm_edid_connector_update() updates display info, filling ELD with
speaker allocation data in the last step of update_dislay_info(). Our
goal is stopping using raw edid, so we can extract SADB from drm_eld
instead of access raw edid to get audio caps.
v5: add more informative commit description (Alex H)
Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
---
.../drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 036bc5423c12..e785b1e3277b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -97,9 +97,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
const struct drm_edid *drm_edid = aconnector->drm_edid;
struct drm_edid_product_id product_id;
struct edid *edid_buf = edid ? (struct edid *) edid->raw_edid : NULL;
- int sad_count, sadb_count;
+ int sad_count;
int i = 0;
- uint8_t *sadb = NULL;
enum dc_edid_status result = EDID_OK;
@@ -143,20 +142,12 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
edid_caps->audio_modes[i].sample_size = sad.byte2;
}
- sadb_count = drm_edid_to_speaker_allocation((struct edid *) edid->raw_edid, &sadb);
- if (sadb_count < 0) {
- DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sadb_count);
- sadb_count = 0;
- }
-
- if (sadb_count)
- edid_caps->speaker_flags = sadb[0];
+ if (connector->eld[DRM_ELD_SPEAKER])
+ edid_caps->speaker_flags = connector->eld[DRM_ELD_SPEAKER];
else
edid_caps->speaker_flags = DEFAULT_SPEAKER_LOCATION;
- kfree(sadb);
-
return result;
}
--
2.43.0
