From: Lewis Huang <lewis.hu...@amd.com>
[Why]
I2C write command always send mot = true will cause sink state incorrect.
[How]
1. Remove default i2c write mot = true.
2. Deciding mot flag by is_end_of_payload flag.
Signed-off-by: Lewis Huang <lewis.hu...@amd.com>
Reviewed-by: Charlene Liu <charlene....@amd.com>
Acked-by: Leo Li <sunpeng...@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index f70137d67c82..588a07b525a0 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -523,7 +523,7 @@ bool dal_ddc_service_query_ddc_data(
if (write_size != 0) {
payload.write = true;
- payload.mot = true;
+ payload.mot = false;
payload.length = write_size;
payload.data = write_buf;
@@ -592,7 +592,7 @@ bool dal_ddc_submit_aux_command(struct ddc_service *ddc,
current_payload.i2c_over_aux = payload->i2c_over_aux;
current_payload.length = is_end_of_payload ?
payload->length - retrieved : DEFAULT_AUX_MAX_DATA_SIZE;
- current_payload.mot = payload->mot ? payload->mot :
!is_end_of_payload;
+ current_payload.mot = !is_end_of_payload;
current_payload.reply = payload->reply;
current_payload.write = payload->write;
--
2.22.0
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