From 4a34809035746d9a7bea69f7435b60e9565bb683 Mon Sep 17 00:00:00 2001 From: Yongqiang Sun Date: Tue, 29 Aug 2017 12:50:21 -0400 Subject: [PATCH 1029/4131] drm/amd/display: Program reg for vertical interrupt. Change-Id: Iedc229c5bb753ad64819ffb1bbea1909764e46db Signed-off-by: Yongqiang Sun Reviewed-by: Tony Cheng Acked-by: Harry Wentland --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c | 10 ++++++++++ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h | 4 ++++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c index 6a5f268..94ea3a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c @@ -118,6 +118,7 @@ static void tgn10_program_timing( uint32_t start_point = 0; uint32_t field_num = 0; uint32_t h_div_2; + uint32_t vertial_line_start; struct dcn10_timing_generator *tgn10 = DCN10TG_FROM_TG(tg); @@ -212,6 +213,12 @@ static void tgn10_program_timing( OTG_V_BLANK_START, asic_blank_start, OTG_V_BLANK_END, asic_blank_end); + /* Use OTG_VERTICAL_INTERRUPT2 replace VUPDATE interrupt, + * program the reg for interrupt postition. + */ + vertial_line_start = asic_blank_end - tg->dlg_otg_param.vstartup_start + 1; + REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0, + OTG_VERTICAL_INTERRUPT2_LINE_START, vertial_line_start); /* v_sync polarity */ v_sync_polarity = patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? @@ -289,6 +296,9 @@ static void tgn10_unblank_crtc(struct timing_generator *tg) { struct dcn10_timing_generator *tgn10 = DCN10TG_FROM_TG(tg); + REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL, + OTG_BLANK_DATA_DOUBLE_BUFFER_EN, 1); + REG_UPDATE_2(OTG_BLANK_CONTROL, OTG_BLANK_DATA_EN, 0, OTG_BLANK_DE_MODE, 0); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h index 6548893..38d3dcf 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h @@ -65,6 +65,7 @@ SRI(OTG_NOM_VERT_POSITION, OTG, inst),\ SRI(OTG_BLACK_COLOR, OTG, inst),\ SRI(OTG_CLOCK_CONTROL, OTG, inst),\ + SRI(OTG_VERTICAL_INTERRUPT2_POSITION, OTG, inst),\ SRI(OPTC_INPUT_CLOCK_CONTROL, ODM, inst),\ SRI(OPTC_DATA_SOURCE_SELECT, ODM, inst),\ SRI(OPTC_INPUT_GLOBAL_CONTROL, ODM, inst),\ @@ -120,6 +121,7 @@ struct dcn_tg_registers { uint32_t OTG_TEST_PATTERN_CONTROL; uint32_t OTG_TEST_PATTERN_COLOR; uint32_t OTG_CLOCK_CONTROL; + uint32_t OTG_VERTICAL_INTERRUPT2_POSITION; uint32_t OPTC_INPUT_CLOCK_CONTROL; uint32_t OPTC_DATA_SOURCE_SELECT; uint32_t OPTC_INPUT_GLOBAL_CONTROL; @@ -203,6 +205,7 @@ struct dcn_tg_registers { SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_EN, mask_sh),\ SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_ON, mask_sh),\ SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_GATE_DIS, mask_sh),\ + SF(OTG0_OTG_VERTICAL_INTERRUPT2_POSITION, OTG_VERTICAL_INTERRUPT2_LINE_START, mask_sh),\ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_EN, mask_sh),\ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_ON, mask_sh),\ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_GATE_DIS, mask_sh),\ @@ -308,6 +311,7 @@ struct dcn_tg_registers { type OTG_CLOCK_EN;\ type OTG_CLOCK_ON;\ type OTG_CLOCK_GATE_DIS;\ + type OTG_VERTICAL_INTERRUPT2_LINE_START;\ type OPTC_INPUT_CLK_EN;\ type OPTC_INPUT_CLK_ON;\ type OPTC_INPUT_CLK_GATE_DIS;\ -- 2.7.4