From 6e5b3587dbf6aaf7f9eef4956a3fce12bf7e9ffa Mon Sep 17 00:00:00 2001 From: SivapiriyanKumarasamy Date: Wed, 14 Mar 2018 09:15:24 -0400 Subject: [PATCH] drm/amd/display: Add vline IRQ programming for DCN Signed-off-by: SivapiriyanKumarasamy Reviewed-by: Anthony Koo Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 6 ++ drivers/gpu/drm/amd/display/dc/dc_stream.h | 4 + .../gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 76 +++++++++++++++++++ .../gpu/drm/amd/display/dc/dcn10/dcn10_optc.h | 14 ++++ .../amd/display/dc/inc/hw/timing_generator.h | 3 + drivers/gpu/drm/amd/display/dc/irq_types.h | 7 ++ 6 files changed, 110 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 63a3d468939a..554cf975be05 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1375,6 +1375,12 @@ static void commit_planes_for_stream(struct dc *dc, pipe_ctx->stream_res.abm->funcs->set_abm_level( pipe_ctx->stream_res.abm, stream->abm_level); } + + if (stream_update && stream_update->periodic_fn_vsync_delta && + pipe_ctx->stream_res.tg->funcs->program_vline_interrupt) + pipe_ctx->stream_res.tg->funcs->program_vline_interrupt( + pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, + pipe_ctx->stream->periodic_fn_vsync_delta); } } diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 3a7093ede569..8d5161060b60 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -70,6 +70,9 @@ struct dc_stream_state { enum color_transfer_func output_tf; bool ignore_msa_timing_param; + + unsigned long long periodic_fn_vsync_delta; + /* TODO: custom INFO packets */ /* TODO: ABM info (DMCU) */ /* PSR info */ @@ -113,6 +116,7 @@ struct dc_stream_update { struct dc_hdr_static_metadata *hdr_static_metadata; enum color_transfer_func color_output_tf; unsigned int *abm_level; + unsigned long long *periodic_fn_vsync_delta; }; bool dc_is_stream_unchanged( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index 4bf64d1b2c60..f56eac0e4dd2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -93,6 +93,81 @@ static void optc1_disable_stereo(struct timing_generator *optc) OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0); } +static uint32_t get_start_vline(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing) +{ + struct dc_crtc_timing patched_crtc_timing; + uint32_t vesa_sync_start; + uint32_t asic_blank_end; + uint32_t interlace_factor; + uint32_t vertical_line_start; + + patched_crtc_timing = *dc_crtc_timing; + optc1_apply_front_porch_workaround(optc, &patched_crtc_timing); + + vesa_sync_start = patched_crtc_timing.h_addressable + + patched_crtc_timing.h_border_right + + patched_crtc_timing.h_front_porch; + + asic_blank_end = patched_crtc_timing.h_total - + vesa_sync_start - + patched_crtc_timing.h_border_left; + + interlace_factor = patched_crtc_timing.flags.INTERLACE ? 2 : 1; + + vesa_sync_start = patched_crtc_timing.v_addressable + + patched_crtc_timing.v_border_bottom + + patched_crtc_timing.v_front_porch; + + asic_blank_end = (patched_crtc_timing.v_total - + vesa_sync_start - + patched_crtc_timing.v_border_top) + * interlace_factor; + + vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1; + if (vertical_line_start < 0) { + ASSERT(0); + vertical_line_start = 0; + } + + return vertical_line_start; +} + +void optc1_program_vline_interrupt( + struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing, + unsigned long long vsync_delta) +{ + + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + unsigned long long req_delta_tens_of_usec = div64_u64((vsync_delta + 9999), 10000); + unsigned long long pix_clk_hundreds_khz = div64_u64((dc_crtc_timing->pix_clk_khz + 99), 100); + uint32_t req_delta_lines = (uint32_t) div64_u64( + (req_delta_tens_of_usec * pix_clk_hundreds_khz + dc_crtc_timing->h_total - 1), + dc_crtc_timing->h_total); + + uint32_t vsync_line = get_start_vline(optc, dc_crtc_timing); + uint32_t start_line = 0; + uint32_t endLine = 0; + + if (req_delta_lines != 0) + req_delta_lines--; + + if (req_delta_lines > vsync_line) + start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) - 1; + else + start_line = vsync_line - req_delta_lines; + + endLine = start_line + 2; + + if (endLine >= dc_crtc_timing->v_total) + endLine = 2; + + REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0, + OTG_VERTICAL_INTERRUPT0_LINE_START, start_line, + OTG_VERTICAL_INTERRUPT0_LINE_END, endLine); +} + /** * program_timing_generator used by mode timing set * Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition. @@ -1215,6 +1290,7 @@ static bool optc1_is_optc_underflow_occurred(struct timing_generator *optc) static const struct timing_generator_funcs dcn10_tg_funcs = { .validate_timing = optc1_validate_timing, .program_timing = optc1_program_timing, + .program_vline_interrupt = optc1_program_vline_interrupt, .program_global_sync = optc1_program_global_sync, .enable_crtc = optc1_enable_crtc, .disable_crtc = optc1_disable_crtc, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h index d25e7bf0d0d7..5a9a73d69fd6 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h @@ -65,6 +65,8 @@ SRI(OTG_NOM_VERT_POSITION, OTG, inst),\ SRI(OTG_BLACK_COLOR, OTG, inst),\ SRI(OTG_CLOCK_CONTROL, OTG, inst),\ + SRI(OTG_VERTICAL_INTERRUPT0_CONTROL, OTG, inst),\ + SRI(OTG_VERTICAL_INTERRUPT0_POSITION, OTG, inst),\ SRI(OTG_VERTICAL_INTERRUPT2_CONTROL, OTG, inst),\ SRI(OTG_VERTICAL_INTERRUPT2_POSITION, OTG, inst),\ SRI(OPTC_INPUT_CLOCK_CONTROL, ODM, inst),\ @@ -124,6 +126,8 @@ struct dcn_optc_registers { uint32_t OTG_TEST_PATTERN_CONTROL; uint32_t OTG_TEST_PATTERN_COLOR; uint32_t OTG_CLOCK_CONTROL; + uint32_t OTG_VERTICAL_INTERRUPT0_CONTROL; + uint32_t OTG_VERTICAL_INTERRUPT0_POSITION; uint32_t OTG_VERTICAL_INTERRUPT2_CONTROL; uint32_t OTG_VERTICAL_INTERRUPT2_POSITION; uint32_t OPTC_INPUT_CLOCK_CONTROL; @@ -206,6 +210,9 @@ struct dcn_optc_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_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE, mask_sh),\ + SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_START, mask_sh),\ + SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_END, mask_sh),\ SF(OTG0_OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE, 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),\ @@ -323,6 +330,9 @@ struct dcn_optc_registers { type OTG_CLOCK_EN;\ type OTG_CLOCK_ON;\ type OTG_CLOCK_GATE_DIS;\ + type OTG_VERTICAL_INTERRUPT0_INT_ENABLE;\ + type OTG_VERTICAL_INTERRUPT0_LINE_START;\ + type OTG_VERTICAL_INTERRUPT0_LINE_END;\ type OTG_VERTICAL_INTERRUPT2_INT_ENABLE;\ type OTG_VERTICAL_INTERRUPT2_LINE_START;\ type OPTC_INPUT_CLK_EN;\ @@ -420,6 +430,10 @@ void optc1_program_timing( const struct dc_crtc_timing *dc_crtc_timing, bool use_vbios); +void optc1_program_vline_interrupt(struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing, + unsigned long long vsync_delta); + void optc1_program_global_sync( struct timing_generator *optc); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index 3217b5bf6c7a..69cb0a105300 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -140,6 +140,9 @@ struct timing_generator_funcs { void (*program_timing)(struct timing_generator *tg, const struct dc_crtc_timing *timing, bool use_vbios); + void (*program_vline_interrupt)(struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing, + unsigned long long vsync_delta); bool (*enable_crtc)(struct timing_generator *tg); bool (*disable_crtc)(struct timing_generator *tg); bool (*is_counter_moving)(struct timing_generator *tg); diff --git a/drivers/gpu/drm/amd/display/dc/irq_types.h b/drivers/gpu/drm/amd/display/dc/irq_types.h index a506c2e939f5..cc3b1bc6cedd 100644 --- a/drivers/gpu/drm/amd/display/dc/irq_types.h +++ b/drivers/gpu/drm/amd/display/dc/irq_types.h @@ -135,6 +135,13 @@ enum dc_irq_source { DC_IRQ_SOURCE_VBLANK5, DC_IRQ_SOURCE_VBLANK6, + DC_IRQ_SOURCE_DC1_VLINE0, + DC_IRQ_SOURCE_DC2_VLINE0, + DC_IRQ_SOURCE_DC3_VLINE0, + DC_IRQ_SOURCE_DC4_VLINE0, + DC_IRQ_SOURCE_DC5_VLINE0, + DC_IRQ_SOURCE_DC6_VLINE0, + DAL_IRQ_SOURCES_NUMBER }; -- 2.20.1