From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Mon, 26 Jun 2017 16:25:10 -0400
Subject: drm/amd/display: set drr during program timing.
Git-commit: 97416d4cbb9efab2eea7740fa4ce86b317da06c5
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>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@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 | 21 ++++++++++
drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 19 +++++++--
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c | 8 +++
3 files changed, 45 insertions(+), 3 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
@@ -629,6 +629,27 @@ void dce110_timing_generator_program_bla
CRTC_V_TOTAL);
dm_write_reg(ctx, addr, value);
+ /* In case of V_TOTAL_CONTROL is on, make sure V_TOTAL_MAX and
+ * V_TOTAL_MIN are equal to V_TOTAL.
+ */
+ addr = CRTC_REG(mmCRTC_V_TOTAL_MAX);
+ value = dm_read_reg(ctx, addr);
+ set_reg_field_value(
+ value,
+ timing->v_total - 1,
+ CRTC_V_TOTAL_MAX,
+ CRTC_V_TOTAL_MAX);
+ dm_write_reg(ctx, addr, value);
+
+ addr = CRTC_REG(mmCRTC_V_TOTAL_MIN);
+ value = dm_read_reg(ctx, addr);
+ set_reg_field_value(
+ value,
+ timing->v_total - 1,
+ CRTC_V_TOTAL_MIN,
+ CRTC_V_TOTAL_MIN);
+ dm_write_reg(ctx, addr, value);
+
addr = CRTC_REG(mmCRTC_H_BLANK_START_END);
value = dm_read_reg(ctx, addr);
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
@@ -441,15 +441,28 @@ void dce120_timing_generator_program_bla
struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
CRTC_REG_UPDATE(
- CRTC0_CRTC_H_TOTAL,
- CRTC_H_TOTAL,
- timing->h_total - 1);
+ CRTC0_CRTC_H_TOTAL,
+ CRTC_H_TOTAL,
+ timing->h_total - 1);
CRTC_REG_UPDATE(
CRTC0_CRTC_V_TOTAL,
CRTC_V_TOTAL,
timing->v_total - 1);
+ /* In case of V_TOTAL_CONTROL is on, make sure V_TOTAL_MAX and
+ * V_TOTAL_MIN are equal to V_TOTAL.
+ */
+ CRTC_REG_UPDATE(
+ CRTC0_CRTC_V_TOTAL_MAX,
+ CRTC_V_TOTAL_MAX,
+ timing->v_total - 1);
+
+ CRTC_REG_UPDATE(
+ CRTC0_CRTC_V_TOTAL_MIN,
+ CRTC_V_TOTAL_MIN,
+ timing->v_total - 1);
+
tmp1 = timing->h_total -
(h_sync_start + timing->h_border_left);
tmp2 = tmp1 + timing->h_addressable +
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
@@ -177,6 +177,14 @@ static void tgn10_program_timing(
REG_SET(OTG_V_TOTAL, 0,
OTG_V_TOTAL, v_total);
+ /* In case of V_TOTAL_CONTROL is on, make sure OTG_V_TOTAL_MAX and
+ * OTG_V_TOTAL_MIN are equal to V_TOTAL.
+ */
+ REG_SET(OTG_V_TOTAL_MAX, 0,
+ OTG_V_TOTAL_MAX, v_total);
+ REG_SET(OTG_V_TOTAL_MIN, 0,
+ OTG_V_TOTAL_MIN, v_total);
+
/* v_sync_start = 0, v_sync_end = v_sync_width */
v_sync_end = patched_crtc_timing.v_sync_width * interlace_factor;