Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@xxxxxxx>
---
.../drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 35 +++++-----------------
1 file changed, 7 insertions(+), 28 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 11e5784aa62a..c430890085f6 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
@@ -575,6 +575,7 @@ enum dc_edid_status dm_helpers_read_local_edid(
struct dc_sink *sink)
{
struct amdgpu_dm_connector *aconnector = link->priv;
+ struct drm_connector *connector = &aconnector->base;
struct i2c_adapter *ddc;
int retry = 3;
enum dc_edid_status edid_status;
@@ -592,6 +593,12 @@ enum dc_edid_status dm_helpers_read_local_edid(
edid = drm_get_edid(&aconnector->base, ddc);
+ if (link->aux_mode && connector->edid_corrupt)
+ drm_dp_send_bad_edid_checksum(&aconnector->dm_dp_aux.aux, connector->bad_edid_checksum);
+
+ if (!edid && connector->edid_corrupt)
+ return EDID_BAD_CHECKSUM;
+
if (!edid)
return EDID_NO_RESPONSE;
@@ -612,34 +619,6 @@ enum dc_edid_status dm_helpers_read_local_edid(
DRM_ERROR("EDID err: %d, on connector: %s",
edid_status,
aconnector->base.name);
- if (link->aux_mode) {
- union test_request test_request = { {0} };
- union test_response test_response = { {0} };
-
- dm_helpers_dp_read_dpcd(ctx,
- link,
- DP_TEST_REQUEST,
- &test_request.raw,
- sizeof(union test_request));
-
- if (!test_request.bits.EDID_READ)
- return edid_status;
-
- test_response.bits.EDID_CHECKSUM_WRITE = 1;
-
- dm_helpers_dp_write_dpcd(ctx,
- link,
- DP_TEST_EDID_CHECKSUM,
- &sink->dc_edid.raw_edid[sink->dc_edid.length-1],
- 1);
-
- dm_helpers_dp_write_dpcd(ctx,
- link,
- DP_TEST_RESPONSE,
- &test_response.raw,
- sizeof(test_response));
-
- }
return edid_status;
}
--
2.14.1
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