Commit 96cb7cf1 authored by hersen wu's avatar hersen wu Committed by Alex Deucher

drm/amd/display: disable dcn20 abm feature for bring up

[WHY] dcn20 enable usb-c dp ALT mode in dmcu. There is bug
when enable abm feature which cause system crash. dal team
will debug this bug later.

[HOW] disable dcn abm feature for dcn20.
Signed-off-by: default avatarhersen wu <hersenxs.wu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bcba830c
......@@ -781,7 +781,7 @@ static int dm_late_init(void *handle)
unsigned int linear_lut[16];
int i;
struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
bool ret;
bool ret = false;
for (i = 0; i < 16; i++)
linear_lut[i] = 0xFFFF * i / 15;
......@@ -792,10 +792,13 @@ static int dm_late_init(void *handle)
params.backlight_lut_array_size = 16;
params.backlight_lut_array = linear_lut;
/* todo will enable for navi10 */
if (adev->asic_type <= CHIP_RAVEN) {
ret = dmcu_load_iram(dmcu, params);
if (!ret)
return -EINVAL;
}
return detect_mst_link_for_all_connectors(adev->ddev);
}
......
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