drm/amd/display: turn off cursor when disconnect plane

As a precaution to prevent cases where cursor is enabled on a pipe
that is disabled, always turn off cursor when disconnecting plane.

Signed-off-by: Eric Yang <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 265092b113cbd6476f2d0cef1ac6e99d35b8ba37..57c74ac65beb6563429758312c777c205596e11c 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -73,6 +73,9 @@ static void hubp1_disconnect(struct hubp *hubp)
 
        REG_UPDATE(DCHUBP_CNTL,
                        HUBP_TTU_DISABLE, 1);
+
+       REG_UPDATE(CURSOR_CONTROL,
+                       CURSOR_ENABLE, 0);
 }
 
 static void hubp1_set_hubp_blank_en(struct hubp *hubp, bool blank)