From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Tue, 18 Apr 2017 15:35:27 -0400
Subject: drm/amd/display: set correct v_total_min and v_total_max for dce.
Git-commit: d4e745e3dbf43ad14759615d0236f6378db1ad4a
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c | 4 ++--
drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
@@ -393,12 +393,12 @@ void dce110_timing_generator_set_drr(
params->vertical_total_min > 0) {
set_reg_field_value(v_total_max,
- params->vertical_total_max - 1,
+ params->vertical_total_max,
CRTC_V_TOTAL_MAX,
CRTC_V_TOTAL_MAX);
set_reg_field_value(v_total_min,
- params->vertical_total_min - 1,
+ params->vertical_total_min,
CRTC_V_TOTAL_MIN,
CRTC_V_TOTAL_MIN);
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
@@ -540,10 +540,10 @@ void dce120_timing_generator_set_drr(
CRTC_REG_UPDATE(
CRTC0_CRTC_V_TOTAL_MIN,
- CRTC_V_TOTAL_MIN, params->vertical_total_min - 1);
+ CRTC_V_TOTAL_MIN, params->vertical_total_min);
CRTC_REG_UPDATE(
CRTC0_CRTC_V_TOTAL_MAX,
- CRTC_V_TOTAL_MAX, params->vertical_total_max - 1);
+ CRTC_V_TOTAL_MAX, params->vertical_total_max);
CRTC_REG_SET_N(CRTC0_CRTC_V_TOTAL_CONTROL, 6,
FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MIN_SEL), 1,
FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MAX_SEL), 1,