diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi_regs.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsi.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 2 |
4 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 45ba02486c56..afbaa0465842 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -729,6 +729,12 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder, else tmp |= CLK_HS_CONTINUOUS; + if (DISPLAY_VER(display) >= 12 && + intel_dsi->lp_clock_during_lpm) + tmp |= LP_CLK_DURING_LPM; + else + tmp &= ~LP_CLK_DURING_LPM; + /* configure buffer threshold limit to minimum */ tmp &= ~PIX_BUF_THRESHOLD_MASK; tmp |= PIX_BUF_THRESHOLD_1_4; diff --git a/drivers/gpu/drm/i915/display/icl_dsi_regs.h b/drivers/gpu/drm/i915/display/icl_dsi_regs.h index 641e8f0b8cdb..55ab57adcb0f 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi_regs.h +++ b/drivers/gpu/drm/i915/display/icl_dsi_regs.h @@ -227,6 +227,7 @@ #define CLK_ENTER_LP_AFTER_DATA (0x0 << 8) #define CLK_HS_OR_LP (0x2 << 8) #define CLK_HS_CONTINUOUS (0x3 << 8) +#define LP_CLK_DURING_LPM (1 << 7) /* tgl+ */ #define LINK_CALIBRATION_MASK (0x3 << 4) #define LINK_CALIBRATION_SHIFT 4 #define CALIBRATION_DISABLED (0x0 << 4) diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h index f55d48e43af1..9fcdabbf3740 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.h +++ b/drivers/gpu/drm/i915/display/intel_dsi.h @@ -80,6 +80,7 @@ struct intel_dsi { /* NON_BURST_SYNC_PULSE, NON_BURST_SYNC_EVENTS, or BURST_MODE */ int video_mode; + bool lp_clock_during_lpm; bool blanking_pkt; bool eot_pkt; bool clock_stop; diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c index c544871dac0b..fe12041e913c 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -718,6 +718,7 @@ void intel_dsi_log_params(struct intel_dsi *intel_dsi) "burst" : "<unknown>"); drm_printf(&p, "Burst mode ratio %d\n", intel_dsi->burst_mode_ratio); drm_printf(&p, "Reset timer %d\n", intel_dsi->rst_timer_val); + drm_printf(&p, "LP clock during LPM %s\n", str_enabled_disabled(intel_dsi->lp_clock_during_lpm)); drm_printf(&p, "Blanking packets during BLLP %s\n", str_enabled_disabled(intel_dsi->blanking_pkt)); drm_printf(&p, "EoT packet %s\n", str_enabled_disabled(intel_dsi->eot_pkt)); drm_printf(&p, "Clock stop during BLLP %s\n", str_enabled_disabled(intel_dsi->clock_stop)); @@ -771,6 +772,7 @@ bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id) drm_dbg_kms(display->drm, "\n"); + intel_dsi->lp_clock_during_lpm = mipi_config->lp_clock_during_lpm; intel_dsi->blanking_pkt = mipi_config->blanking_packets_during_bllp; intel_dsi->eot_pkt = !mipi_config->eot_pkt_disabled; intel_dsi->clock_stop = mipi_config->enable_clk_stop; |