[PATCH 11/14] drm/amd/display: Pass connector id when executing VBIOS CT
sunpeng.li at amd.com
sunpeng.li at amd.com
Wed Aug 8 14:53:07 UTC 2018
From: Mikita Lipski <mikita.lipski at amd.com>
[why]
Older ASICs require both phys_id and connector_id
to execute bios command table. If we are not passing the
right connector_id - it can lead to a black screen.
[how]
Set connector_obj_id when executing vbios command table
Change-Id: I23c73a9e60dbf7c386e7189a60fcea11e8033309
Signed-off-by: Mikita Lipski <mikita.lipski at amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 752b3d6..eff7d22 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -930,7 +930,7 @@ void dce110_link_encoder_enable_tmds_output(
enum bp_result result;
/* Enable the PHY */
-
+ cntl.connector_obj_id = enc110->base.connector;
cntl.action = TRANSMITTER_CONTROL_ENABLE;
cntl.engine_id = enc->preferred_engine;
cntl.transmitter = enc110->base.transmitter;
@@ -972,7 +972,7 @@ void dce110_link_encoder_enable_dp_output(
* We need to set number of lanes manually.
*/
configure_encoder(enc110, link_settings);
-
+ cntl.connector_obj_id = enc110->base.connector;
cntl.action = TRANSMITTER_CONTROL_ENABLE;
cntl.engine_id = enc->preferred_engine;
cntl.transmitter = enc110->base.transmitter;
--
2.7.4
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