diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 213 |
1 files changed, 155 insertions, 58 deletions
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 0345d51e9d6f..a546c2bc9129 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -46,9 +46,7 @@ * This is a workaround for a bug that has existed since R5xx and has not been * fixed keep Front porch at minimum 2 for Interlaced mode or 1 for progressive. */ -static void optc1_apply_front_porch_workaround( - struct timing_generator *optc, - struct dc_crtc_timing *timing) +static void apply_front_porch_workaround(struct dc_crtc_timing *timing) { if (timing->flags.INTERLACE == 1) { if (timing->v_front_porch < 2) @@ -60,24 +58,33 @@ static void optc1_apply_front_porch_workaround( } void optc1_program_global_sync( - struct timing_generator *optc) + struct timing_generator *optc, + int vready_offset, + int vstartup_start, + int vupdate_offset, + int vupdate_width) { struct optc *optc1 = DCN10TG_FROM_TG(optc); - if (optc->dlg_otg_param.vstartup_start == 0) { + optc1->vready_offset = vready_offset; + optc1->vstartup_start = vstartup_start; + optc1->vupdate_offset = vupdate_offset; + optc1->vupdate_width = vupdate_width; + + if (optc1->vstartup_start == 0) { BREAK_TO_DEBUGGER(); return; } REG_SET(OTG_VSTARTUP_PARAM, 0, - VSTARTUP_START, optc->dlg_otg_param.vstartup_start); + VSTARTUP_START, optc1->vstartup_start); REG_SET_2(OTG_VUPDATE_PARAM, 0, - VUPDATE_OFFSET, optc->dlg_otg_param.vupdate_offset, - VUPDATE_WIDTH, optc->dlg_otg_param.vupdate_width); + VUPDATE_OFFSET, optc1->vupdate_offset, + VUPDATE_WIDTH, optc1->vupdate_width); REG_SET(OTG_VREADY_PARAM, 0, - VREADY_OFFSET, optc->dlg_otg_param.vready_offset); + VREADY_OFFSET, optc1->vready_offset); } static void optc1_disable_stereo(struct timing_generator *optc) @@ -132,25 +139,32 @@ void optc1_setup_vertical_interrupt2( void optc1_program_timing( struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing, + int vready_offset, + int vstartup_start, + int vupdate_offset, + int vupdate_width, + const enum signal_type signal, bool use_vbios) { struct dc_crtc_timing patched_crtc_timing; - uint32_t vesa_sync_start; uint32_t asic_blank_end; uint32_t asic_blank_start; uint32_t v_total; uint32_t v_sync_end; - uint32_t v_init, v_fp2; uint32_t h_sync_polarity, v_sync_polarity; uint32_t start_point = 0; uint32_t field_num = 0; uint32_t h_div_2; - int32_t vertical_line_start; struct optc *optc1 = DCN10TG_FROM_TG(optc); + optc1->signal = signal; + optc1->vready_offset = vready_offset; + optc1->vstartup_start = vstartup_start; + optc1->vupdate_offset = vupdate_offset; + optc1->vupdate_width = vupdate_width; patched_crtc_timing = *dc_crtc_timing; - optc1_apply_front_porch_workaround(optc, &patched_crtc_timing); + apply_front_porch_workaround(&patched_crtc_timing); /* Load horizontal timing */ @@ -163,24 +177,16 @@ void optc1_program_timing( OTG_H_SYNC_A_START, 0, OTG_H_SYNC_A_END, patched_crtc_timing.h_sync_width); - /* asic_h_blank_end = HsyncWidth + HbackPorch = - * vesa. usHorizontalTotal - vesa. usHorizontalSyncStart - - * vesa.h_left_border - */ - vesa_sync_start = patched_crtc_timing.h_addressable + - patched_crtc_timing.h_border_right + + /* blank_start = line end - front porch */ + asic_blank_start = patched_crtc_timing.h_total - patched_crtc_timing.h_front_porch; - asic_blank_end = patched_crtc_timing.h_total - - vesa_sync_start - + /* blank_end = blank_start - active */ + asic_blank_end = asic_blank_start - + patched_crtc_timing.h_border_right - + patched_crtc_timing.h_addressable - patched_crtc_timing.h_border_left; - /* h_blank_start = v_blank_end + v_active */ - asic_blank_start = asic_blank_end + - patched_crtc_timing.h_border_left + - patched_crtc_timing.h_addressable + - patched_crtc_timing.h_border_right; - REG_UPDATE_2(OTG_H_BLANK_START_END, OTG_H_BLANK_START, asic_blank_start, OTG_H_BLANK_END, asic_blank_end); @@ -212,24 +218,15 @@ void optc1_program_timing( OTG_V_SYNC_A_START, 0, OTG_V_SYNC_A_END, v_sync_end); - vesa_sync_start = patched_crtc_timing.v_addressable + - patched_crtc_timing.v_border_bottom + + /* blank_start = frame end - front porch */ + asic_blank_start = patched_crtc_timing.v_total - patched_crtc_timing.v_front_porch; - asic_blank_end = (patched_crtc_timing.v_total - - vesa_sync_start - - patched_crtc_timing.v_border_top); - - /* v_blank_start = v_blank_end + v_active */ - asic_blank_start = asic_blank_end + - (patched_crtc_timing.v_border_top + - patched_crtc_timing.v_addressable + - patched_crtc_timing.v_border_bottom); - - vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1; - v_fp2 = 0; - if (vertical_line_start < 0) - v_fp2 = -vertical_line_start; + /* blank_end = blank_start - active */ + asic_blank_end = asic_blank_start - + patched_crtc_timing.v_border_bottom - + patched_crtc_timing.v_addressable - + patched_crtc_timing.v_border_top; REG_UPDATE_2(OTG_V_BLANK_START_END, OTG_V_BLANK_START, asic_blank_start, @@ -242,10 +239,9 @@ void optc1_program_timing( REG_UPDATE(OTG_V_SYNC_A_CNTL, OTG_V_SYNC_A_POL, v_sync_polarity); - v_init = asic_blank_start; - if (optc->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT || - optc->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT_MST || - optc->dlg_otg_param.signal == SIGNAL_TYPE_EDP) { + if (optc1->signal == SIGNAL_TYPE_DISPLAY_PORT || + optc1->signal == SIGNAL_TYPE_DISPLAY_PORT_MST || + optc1->signal == SIGNAL_TYPE_EDP) { start_point = 1; if (patched_crtc_timing.flags.INTERLACE == 1) field_num = 1; @@ -253,13 +249,10 @@ void optc1_program_timing( /* Interlace */ if (REG(OTG_INTERLACE_CONTROL)) { - if (patched_crtc_timing.flags.INTERLACE == 1) { + if (patched_crtc_timing.flags.INTERLACE == 1) REG_UPDATE(OTG_INTERLACE_CONTROL, OTG_INTERLACE_ENABLE, 1); - v_init = v_init / 2; - if ((optc->dlg_otg_param.vstartup_start/2)*2 > asic_blank_end) - v_fp2 = v_fp2 / 2; - } else + else REG_UPDATE(OTG_INTERLACE_CONTROL, OTG_INTERLACE_ENABLE, 0); } @@ -268,16 +261,18 @@ void optc1_program_timing( REG_UPDATE(CONTROL, VTG0_ENABLE, 0); - REG_UPDATE_2(CONTROL, - VTG0_FP2, v_fp2, - VTG0_VCOUNT_INIT, v_init); - /* original code is using VTG offset to address OTG reg, seems wrong */ REG_UPDATE_2(OTG_CONTROL, OTG_START_POINT_CNTL, start_point, OTG_FIELD_NUMBER_CNTL, field_num); - optc1_program_global_sync(optc); + optc->funcs->program_global_sync(optc, + vready_offset, + vstartup_start, + vupdate_offset, + vupdate_width); + + optc->funcs->set_vtg_params(optc, dc_crtc_timing); /* TODO * patched_crtc_timing.flags.HORZ_COUNT_BY_TWO == 1 @@ -296,6 +291,48 @@ void optc1_program_timing( } +void optc1_set_vtg_params(struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing) +{ + struct dc_crtc_timing patched_crtc_timing; + uint32_t asic_blank_end; + uint32_t v_init; + uint32_t v_fp2 = 0; + int32_t vertical_line_start; + + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + patched_crtc_timing = *dc_crtc_timing; + apply_front_porch_workaround(&patched_crtc_timing); + + /* VCOUNT_INIT is the start of blank */ + v_init = patched_crtc_timing.v_total - patched_crtc_timing.v_front_porch; + + /* end of blank = v_init - active */ + asic_blank_end = v_init - + patched_crtc_timing.v_border_bottom - + patched_crtc_timing.v_addressable - + patched_crtc_timing.v_border_top; + + /* if VSTARTUP is before VSYNC, FP2 is the offset, otherwise 0 */ + vertical_line_start = asic_blank_end - optc1->vstartup_start + 1; + if (vertical_line_start < 0) + v_fp2 = -vertical_line_start; + + /* Interlace */ + if (REG(OTG_INTERLACE_CONTROL)) { + if (patched_crtc_timing.flags.INTERLACE == 1) { + v_init = v_init / 2; + if ((optc1->vstartup_start/2)*2 > asic_blank_end) + v_fp2 = v_fp2 / 2; + } + } + + REG_UPDATE_2(CONTROL, + VTG0_FP2, v_fp2, + VTG0_VCOUNT_INIT, v_init); +} + void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enable) { struct optc *optc1 = DCN10TG_FROM_TG(optc); @@ -547,6 +584,13 @@ uint32_t optc1_get_vblank_counter(struct timing_generator *optc) void optc1_lock(struct timing_generator *optc) { struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t regval = 0; + + regval = REG_READ(OTG_CONTROL); + + /* otg is not running, do not need to be locked */ + if ((regval & 0x1) == 0x0) + return; REG_SET(OTG_GLOBAL_CONTROL0, 0, OTG_MASTER_UPDATE_LOCK_SEL, optc->inst); @@ -554,10 +598,12 @@ void optc1_lock(struct timing_generator *optc) OTG_MASTER_UPDATE_LOCK, 1); /* Should be fast, status does not update on maximus */ - if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS) + if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS) { + REG_WAIT(OTG_MASTER_UPDATE_LOCK, UPDATE_LOCK_STATUS, 1, 1, 10); + } } void optc1_unlock(struct timing_generator *optc) @@ -754,6 +800,32 @@ void optc1_set_static_screen_control( OTG_STATIC_SCREEN_FRAME_COUNT, 2); } +void optc1_setup_manual_trigger(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_GLOBAL_CONTROL2, 0, + MANUAL_FLOW_CONTROL_SEL, optc->inst); + + REG_SET_8(OTG_TRIGA_CNTL, 0, + OTG_TRIGA_SOURCE_SELECT, 22, + OTG_TRIGA_SOURCE_PIPE_SELECT, optc->inst, + OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1, + OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 0, + OTG_TRIGA_POLARITY_SELECT, 0, + OTG_TRIGA_FREQUENCY_SELECT, 0, + OTG_TRIGA_DELAY, 0, + OTG_TRIGA_CLEAR, 1); +} + +void optc1_program_manual_trigger(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, + MANUAL_FLOW_CONTROL, 1); +} + /** ***************************************************************************** @@ -786,6 +858,10 @@ void optc1_set_drr( OTG_FORCE_LOCK_ON_EVENT, 0, OTG_SET_V_TOTAL_MIN_MASK_EN, 0, OTG_SET_V_TOTAL_MIN_MASK, 0); + + // Setup manual flow control for EOF via TRIG_A + optc->funcs->setup_manual_trigger(optc); + } else { REG_UPDATE_4(OTG_V_TOTAL_CONTROL, OTG_SET_V_TOTAL_MIN_MASK, 0, @@ -1420,6 +1496,9 @@ static const struct timing_generator_funcs dcn10_tg_funcs = { .clear_optc_underflow = optc1_clear_optc_underflow, .get_crc = optc1_get_crc, .configure_crc = optc1_configure_crc, + .set_vtg_params = optc1_set_vtg_params, + .program_manual_trigger = optc1_program_manual_trigger, + .setup_manual_trigger = optc1_setup_manual_trigger }; void dcn10_timing_generator_init(struct optc *optc1) @@ -1437,10 +1516,28 @@ void dcn10_timing_generator_init(struct optc *optc1) optc1->comb_opp_id = 0xf; } +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT +/* "Containter" vs. "pixel" is a concept within HW blocks, mostly those closer to the back-end. It works like this: + * + * - In most of the formats (RGB or YCbCr 4:4:4, 4:2:2 uncompressed and DSC 4:2:2 Simple) pixel rate is the same as + * containter rate. + * + * - In 4:2:0 (DSC or uncompressed) there are two pixels per container, hence the target container rate has to be + * halved to maintain the correct pixel rate. + * + * - Unlike 4:2:2 uncompressed, DSC 4:2:2 Native also has two pixels per container (this happens when DSC is applied + * to it) and has to be treated the same as 4:2:0, i.e. target containter rate has to be halved in this case as well. + * + */ +#endif bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing) { bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420; +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT + two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422 + && !timing->dsc_cfg.ycbcr422_simple); +#endif return two_pix; } |