From: Ilya Bakoulin <[email protected]> [Why/How] Make sure the HUBPREQ_DEBUG_DB register is cleared to prevent underflow in some instances.
Reviewed-by: Dillon Varone <[email protected]> Signed-off-by: Ilya Bakoulin <[email protected]> Signed-off-by: Ivan Lipski <[email protected]> --- drivers/gpu/drm/amd/display/dc/hubp/dcn60/dcn60_hubp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn60/dcn60_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn60/dcn60_hubp.c index d22fe26aae623..01b6b3ed5a998 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn60/dcn60_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn60/dcn60_hubp.c @@ -25,6 +25,9 @@ static void hubp60_program_deadline( { struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); + /* Make sure DLG test mode is disabled */ + REG_WRITE(HUBPREQ_DEBUG_DB, 0); + /* DLG - Per hubp */ REG_SET_2(BLANK_OFFSET_0, 0, REFCYC_H_BLANK_END, dlg_attr->refcyc_h_blank_end, -- 2.43.0
