[PATCH 03/28] drm/amd/display: Fix incorrect dcn1 bandwidth calculations

[Qingqing Zhuo]

From: Michael Strauss <michael.strauss at amd.com>

[WHY]
Typos cause bandwidth calculation errors, one
of which can cause infinite loop on dcn1 with eDP

Signed-off-by: Michael Strauss <michael.strauss at amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
index 1ef0074302c5..41284e263325 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
@@ -805,7 +805,7 @@ void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
 
 					if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
 						v->time_for_meta_pte_without_immediate_flip = dcn_bw_max3(
-								v->meta_pte_bytes_frame[k] / v->prefetch_bandwidth[k],
+								v->meta_pte_bytes_frame[k] / v->prefetch_bw[k],
 								v->extra_latency,
 								v->htotal[k] / v->pixel_clock[k] / 4.0);
 					} else {
@@ -814,7 +814,7 @@ void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
 
 					if (v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes) {
 						v->time_for_meta_and_dpte_row_without_immediate_flip = dcn_bw_max3((
-								v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / v->prefetch_bandwidth[k],
+								v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / v->prefetch_bw[k],
 								v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_without_immediate_flip,
 								v->extra_latency);
 					} else {
@@ -827,7 +827,7 @@ void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
 					v->lines_for_meta_and_dpte_row_without_immediate_flip[k] =dcn_bw_floor2(4.0 * (v->time_for_meta_and_dpte_row_without_immediate_flip / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
 					v->maximum_vstartup = v->maximum_vstartup - 1;
 
-					if (v->lines_for_meta_pte_without_immediate_flip[k] < 8.0 && v->lines_for_meta_and_dpte_row_without_immediate_flip[k] < 16.0)
+					if (v->lines_for_meta_pte_without_immediate_flip[k] < 32.0 && v->lines_for_meta_and_dpte_row_without_immediate_flip[k] < 16.0)
 						break;
 
 				} while(1);
-- 
2.17.1