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 | 113 |
1 files changed, 55 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 3d2a2848857a..33d780218790 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -132,22 +132,6 @@ void optc1_setup_vertical_interrupt2( } /** - * Vupdate keepout can be set to a window to block the update lock for that pipe from changing. - * Start offset begins with vstartup and goes for x number of clocks, - * end offset starts from end of vupdate to x number of clocks. - */ -void optc1_set_vupdate_keepout(struct timing_generator *optc, - struct vupdate_keepout_params *params) -{ - struct optc *optc1 = DCN10TG_FROM_TG(optc); - - REG_SET_3(OTG_VUPDATE_KEEPOUT, 0, - MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, params->start_offset, - MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, params->end_offset, - OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, params->enable); -} - -/** * program_timing_generator used by mode timing set * Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition. * Including SYNC. Call BIOS command table to program Timings. @@ -181,6 +165,7 @@ void optc1_program_timing( optc1->vupdate_width = vupdate_width; patched_crtc_timing = *dc_crtc_timing; apply_front_porch_workaround(&patched_crtc_timing); + optc1->orginal_patched_timing = patched_crtc_timing; /* Load horizontal timing */ @@ -222,10 +207,7 @@ void optc1_program_timing( /* 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); + optc->funcs->set_vtotal_min_max(optc, v_total, v_total); /* v_sync_start = 0, v_sync_end = v_sync_width */ v_sync_end = patched_crtc_timing.v_sync_width; @@ -327,6 +309,20 @@ void optc1_program_timing( } } +/** + * optc1_set_vtg_params - Set Vertical Timing Generator (VTG) parameters + * + * @optc: timing_generator struct used to extract the optc parameters + * @dc_crtc_timing: Timing parameters configured + * @program_fp2: Boolean value indicating if FP2 will be programmed or not + * + * OTG is responsible for generating the global sync signals, including + * vertical timing information for each HUBP in the dcfclk domain. Each VTG is + * associated with one OTG that provides HUBP with vertical timing information + * (i.e., there is 1:1 correspondence between OTG and VTG). This function is + * responsible for setting the OTG parameters to the VTG during the pipe + * programming. + */ void optc1_set_vtg_params(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2) { @@ -480,6 +476,11 @@ void optc1_enable_optc_clock(struct timing_generator *optc, bool enable) OTG_CLOCK_ON, 1, 1, 1000); } else { + + //last chance to clear underflow, otherwise, it will always there due to clock is off. + if (optc->funcs->is_optc_underflow_occurred(optc) == true) + optc->funcs->clear_optc_underflow(optc); + REG_UPDATE_2(OTG_CLOCK_CONTROL, OTG_CLOCK_GATE_DIS, 0, OTG_CLOCK_EN, 0); @@ -645,13 +646,6 @@ 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); @@ -659,12 +653,10 @@ 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) @@ -675,16 +667,6 @@ void optc1_unlock(struct timing_generator *optc) OTG_MASTER_UPDATE_LOCK, 0); } -bool optc1_is_locked(struct timing_generator *optc) -{ - struct optc *optc1 = DCN10TG_FROM_TG(optc); - uint32_t locked; - - REG_GET(OTG_MASTER_UPDATE_LOCK, UPDATE_LOCK_STATUS, &locked); - - return (locked == 1); -} - void optc1_get_position(struct timing_generator *optc, struct crtc_position *position) { @@ -876,7 +858,7 @@ void optc1_set_static_screen_control( OTG_STATIC_SCREEN_FRAME_COUNT, num_frames); } -void optc1_setup_manual_trigger(struct timing_generator *optc) +static void optc1_setup_manual_trigger(struct timing_generator *optc) { struct optc *optc1 = DCN10TG_FROM_TG(optc); @@ -894,7 +876,7 @@ void optc1_setup_manual_trigger(struct timing_generator *optc) OTG_TRIGA_CLEAR, 1); } -void optc1_program_manual_trigger(struct timing_generator *optc) +static void optc1_program_manual_trigger(struct timing_generator *optc) { struct optc *optc1 = DCN10TG_FROM_TG(optc); @@ -937,11 +919,7 @@ void optc1_set_drr( } - REG_SET(OTG_V_TOTAL_MAX, 0, - OTG_V_TOTAL_MAX, params->vertical_total_max - 1); - - REG_SET(OTG_V_TOTAL_MIN, 0, - OTG_V_TOTAL_MIN, params->vertical_total_min - 1); + optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1); REG_UPDATE_5(OTG_V_TOTAL_CONTROL, OTG_V_TOTAL_MIN_SEL, 1, @@ -960,11 +938,7 @@ void optc1_set_drr( OTG_V_TOTAL_MAX_SEL, 0, OTG_FORCE_LOCK_ON_EVENT, 0); - REG_SET(OTG_V_TOTAL_MIN, 0, - OTG_V_TOTAL_MIN, 0); - - REG_SET(OTG_V_TOTAL_MAX, 0, - OTG_V_TOTAL_MAX, 0); + optc->funcs->set_vtotal_min_max(optc, 0, 0); } } @@ -1082,7 +1056,7 @@ static void optc1_set_test_pattern( src_color[index] >> (src_bpc - dst_bpc); /* CRTC_TEST_PATTERN_DATA has 16 bits, * lowest 6 are hardwired to ZERO - * color bits should be left aligned aligned to MSB + * color bits should be left aligned to MSB * XXXXXXXXXX000000 for 10 bit, * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6 */ @@ -1389,6 +1363,12 @@ void optc1_read_otg_state(struct optc *optc1, REG_GET(OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_OCCURRED_STATUS, &s->underflow_occurred_status); + REG_GET(OTG_VERTICAL_INTERRUPT1_CONTROL, + OTG_VERTICAL_INTERRUPT1_INT_ENABLE, &s->vertical_interrupt1_en); + + REG_GET(OTG_VERTICAL_INTERRUPT1_POSITION, + OTG_VERTICAL_INTERRUPT1_LINE_START, &s->vertical_interrupt1_line); + REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &s->vertical_interrupt2_en); @@ -1508,8 +1488,23 @@ bool optc1_configure_crc(struct timing_generator *optc, return true; } +/** + * optc1_get_crc - Capture CRC result per component + * + * @optc: timing_generator instance. + * @r_cr: 16-bit primary CRC signature for red data. + * @g_y: 16-bit primary CRC signature for green data. + * @b_cb: 16-bit primary CRC signature for blue data. + * + * This function reads the CRC signature from the OPTC registers. Notice that + * we have three registers to keep the CRC result per color component (RGB). + * + * Returns: + * If CRC is disabled, return false; otherwise, return true, and the CRC + * results in the parameters. + */ bool optc1_get_crc(struct timing_generator *optc, - uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) { uint32_t field = 0; struct optc *optc1 = DCN10TG_FROM_TG(optc); @@ -1520,12 +1515,14 @@ bool optc1_get_crc(struct timing_generator *optc, if (!field) return false; + /* OTG_CRC0_DATA_RG has the CRC16 results for the red and green component */ REG_GET_2(OTG_CRC0_DATA_RG, - CRC0_R_CR, r_cr, - CRC0_G_Y, g_y); + CRC0_R_CR, r_cr, + CRC0_G_Y, g_y); + /* OTG_CRC0_DATA_B has the CRC16 results for the blue component */ REG_GET(OTG_CRC0_DATA_B, - CRC0_B_CB, b_cb); + CRC0_B_CB, b_cb); return true; } @@ -1556,11 +1553,11 @@ static const struct timing_generator_funcs dcn10_tg_funcs = { .enable_crtc_reset = optc1_enable_crtc_reset, .disable_reset_trigger = optc1_disable_reset_trigger, .lock = optc1_lock, - .is_locked = optc1_is_locked, .unlock = optc1_unlock, .enable_optc_clock = optc1_enable_optc_clock, .set_drr = optc1_set_drr, .get_last_used_drr_vtotal = NULL, + .set_vtotal_min_max = optc1_set_vtotal_min_max, .set_static_screen_control = optc1_set_static_screen_control, .set_test_pattern = optc1_set_test_pattern, .program_stereo = optc1_program_stereo, |