From: Michael Strauss <michael.stra...@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.stra...@amd.com>
Reviewed-by: Dmytro Laktyushkin <dmytro.laktyush...@amd.com>
Acked-by: Qingqing Zhuo <qingqing.z...@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
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