From 3126977d43079866aa0ea351863a7496feec98d2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 22 Oct 2021 13:33:01 +0300 Subject: [PATCH] drm/i915: Split PPS write from DSC enable MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The PPS SDP is fed into the transcoder whereas the DSC block is (or at least can be) per pipe. Let's split these into two distinct operations in an effort to untagle the bigjoiner mess where we have two pipes feeding a single transcoder. Reviewed-by: Manasi Navare Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20211022103304.24164-7-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/display/icl_dsi.c | 6 +++-- drivers/gpu/drm/i915/display/intel_ddi.c | 14 +++++++++--- drivers/gpu/drm/i915/display/intel_display.c | 5 ++--- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- drivers/gpu/drm/i915/display/intel_vdsc.c | 33 +++++++++++++--------------- drivers/gpu/drm/i915/display/intel_vdsc.h | 10 +++++---- 6 files changed, 39 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 168c84a..19167ef 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1232,7 +1232,9 @@ static void gen11_dsi_pre_enable(struct intel_atomic_state *state, /* step5: program and powerup panel */ gen11_dsi_powerup_panel(encoder); - intel_dsc_enable(encoder, pipe_config); + intel_dsc_dsi_pps_write(encoder, pipe_config); + + intel_dsc_enable(pipe_config); /* step6c: configure transcoder timings */ gen11_dsi_set_transcoder_timings(encoder, pipe_config); @@ -1628,7 +1630,7 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder, /* FIXME: initialize from VBT */ vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST; - ret = intel_dsc_compute_params(encoder, crtc_state); + ret = intel_dsc_compute_params(crtc_state); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index f8d0768..8b4ef9e 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2386,7 +2386,10 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state, /* 5.k Configure and enable FEC if needed */ intel_ddi_enable_fec(encoder, crtc_state); - intel_dsc_enable(encoder, crtc_state); + + intel_dsc_dp_pps_write(encoder, crtc_state); + + intel_dsc_enable(crtc_state); } static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, @@ -2520,8 +2523,11 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, /* 7.l Configure and enable FEC if needed */ intel_ddi_enable_fec(encoder, crtc_state); + + intel_dsc_dp_pps_write(encoder, crtc_state); + if (!crtc_state->bigjoiner) - intel_dsc_enable(encoder, crtc_state); + intel_dsc_enable(crtc_state); } static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, @@ -2586,8 +2592,10 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, if (!is_mst) intel_ddi_enable_pipe_clock(encoder, crtc_state); + intel_dsc_dp_pps_write(encoder, crtc_state); + if (!crtc_state->bigjoiner) - intel_dsc_enable(encoder, crtc_state); + intel_dsc_enable(crtc_state); } static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state, diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e745eb4..6a8da98 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1976,7 +1976,7 @@ static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state, if (!crtc_state->bigjoiner_slave) { /* need to enable VDSC, which we skipped in pre-enable */ - intel_dsc_enable(encoder, crtc_state); + intel_dsc_enable(crtc_state); } else { /* * Enable sequence steps 1-7 on bigjoiner master @@ -1986,8 +1986,7 @@ static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state, intel_enable_shared_dpll(master_crtc_state); intel_encoders_pre_enable(state, master_crtc); - /* and DSC on slave */ - intel_dsc_enable(NULL, crtc_state); + intel_dsc_enable(crtc_state); } if (DISPLAY_VER(dev_priv) >= 13) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 537c689..6d5988f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1345,7 +1345,7 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder, else vdsc_cfg->slice_height = 2; - ret = intel_dsc_compute_params(encoder, crtc_state); + ret = intel_dsc_compute_params(crtc_state); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index 2275f99..fa84be6 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -442,10 +442,10 @@ calculate_rc_params(struct rc_parameters *rc, } } -int intel_dsc_compute_params(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) +int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct drm_dsc_config *vdsc_cfg = &pipe_config->dsc.config; u16 compressed_bpp = pipe_config->dsc.compressed_bpp; const struct rc_parameters *rc_params; @@ -1055,8 +1055,8 @@ static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state) } } -static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void intel_dsc_dsi_pps_write(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); @@ -1064,6 +1064,9 @@ static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder, struct drm_dsc_picture_parameter_set pps; enum port port; + if (!crtc_state->dsc.compression_enable) + return; + drm_dsc_pps_payload_pack(&pps, vdsc_cfg); for_each_dsi_port(port, intel_dsi->ports) { @@ -1074,14 +1077,16 @@ static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder, } } -static void intel_dsc_dp_pps_write(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void intel_dsc_dp_pps_write(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; struct drm_dsc_pps_infoframe dp_dsc_pps_sdp; + if (!crtc_state->dsc.compression_enable) + return; + /* Prepare DP SDP PPS header as per DP 1.4 spec, Table 2-123 */ drm_dsc_dp_pps_header_init(&dp_dsc_pps_sdp.pps_header); @@ -1142,8 +1147,7 @@ void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state) } } -void intel_dsc_enable(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void intel_dsc_enable(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -1155,13 +1159,6 @@ void intel_dsc_enable(struct intel_encoder *encoder, intel_dsc_pps_configure(crtc_state); - if (!crtc_state->bigjoiner_slave) { - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) - intel_dsc_dsi_pps_write(encoder, crtc_state); - else - intel_dsc_dp_pps_write(encoder, crtc_state); - } - dss_ctl2_val |= LEFT_BRANCH_VDSC_ENABLE; if (crtc_state->dsc.dsc_split) { dss_ctl2_val |= RIGHT_BRANCH_VDSC_ENABLE; diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.h b/drivers/gpu/drm/i915/display/intel_vdsc.h index 0c5d80a..4ec75f7 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.h +++ b/drivers/gpu/drm/i915/display/intel_vdsc.h @@ -15,15 +15,17 @@ struct intel_encoder; bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state); void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state); -void intel_dsc_enable(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state); +void intel_dsc_enable(const struct intel_crtc_state *crtc_state); void intel_dsc_disable(const struct intel_crtc_state *crtc_state); -int intel_dsc_compute_params(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config); +int intel_dsc_compute_params(struct intel_crtc_state *pipe_config); void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state); void intel_dsc_get_config(struct intel_crtc_state *crtc_state); enum intel_display_power_domain intel_dsc_power_domain(struct intel_crtc *crtc, enum transcoder cpu_transcoder); struct intel_crtc *intel_dsc_get_bigjoiner_secondary(const struct intel_crtc *primary_crtc); +void intel_dsc_dsi_pps_write(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); +void intel_dsc_dp_pps_write(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); #endif /* __INTEL_VDSC_H__ */ -- 2.7.4