[Intel-gfx] [PATCH 12/23] drm/i915: Enable big joiner support in enable and disable sequences.
Matt Roper
matthew.d.roper at intel.com
Thu Sep 26 05:18:19 UTC 2019
On Fri, Sep 20, 2019 at 01:42:24PM +0200, Maarten Lankhorst wrote:
> Make vdsc work when no output is enabled. The big joiner needs VDSC
> on the slave, so enable it and set the appropriate bits.
> Also update timestamping constants, because slave crtc's are not
> updated in drm_atomic_helper_update_legacy_modeset_state().
>
> This should be enough to bring up CRTC's in a big joiner configuration,
> without any plane configuration on the second pipe yet.
>
> HOWEVER, we bring up the crtc's in the wrong order. We need to make
> sure that the master crtc is brought up after the slave crtc, we
> don't do that yet. This is done correctly later in this series.
>
> The next steps are to add atomic commit, and make sure we enable and
> update both master and slave in the correct order.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
A couple minor comments inline below, but I didn't see any clear
problems with this patch so
Acked-by: Matt Roper <matthew.d.roper at intel.com>
However there's a lot of pretty complicated changes here in areas that
I'm only vaguely familiar with, so I think it would be good if someone
like Manasi who's more familiar with this area of the code could look it
over.
Matt
> ---
> drivers/gpu/drm/i915/display/intel_ddi.c | 55 ++-
> drivers/gpu/drm/i915/display/intel_display.c | 402 ++++++++++++------
> .../drm/i915/display/intel_display_types.h | 17 +
> drivers/gpu/drm/i915/display/intel_dp.c | 18 +-
> drivers/gpu/drm/i915/display/intel_vdsc.c | 122 ++++--
> drivers/gpu/drm/i915/display/intel_vdsc.h | 2 +
> 6 files changed, 418 insertions(+), 198 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index c775fd205915..a26155f90261 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -1694,6 +1694,13 @@ static void intel_ddi_clock_get(struct intel_encoder *encoder,
> skl_ddi_clock_get(encoder, pipe_config);
> else if (INTEL_GEN(dev_priv) <= 8)
> hsw_ddi_clock_get(encoder, pipe_config);
> +
> + if (pipe_config->bigjoiner) {
> + pipe_config->hw.transcoder_mode.crtc_clock =
> + pipe_config->hw.adjusted_mode.crtc_clock;
> +
> + pipe_config->hw.adjusted_mode.crtc_clock /= 2;
> + }
> }
>
> void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state)
> @@ -2176,13 +2183,6 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
> intel_phy_is_tc(dev_priv, phy))
> intel_display_power_get(dev_priv,
> intel_ddi_main_link_aux_domain(dig_port));
> -
> - /*
> - * VDSC power is needed when DSC is enabled
> - */
> - if (crtc_state->dsc_params.compression_enable)
> - intel_display_power_get(dev_priv,
> - intel_dsc_power_domain(crtc_state));
> }
>
> void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state)
> @@ -3290,7 +3290,8 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
>
> /* 7.l */
> intel_ddi_enable_fec(encoder, crtc_state);
> - intel_dsc_enable(encoder, crtc_state);
> + if (!crtc_state->bigjoiner)
> + intel_dsc_enable(encoder, crtc_state);
> }
>
> static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
> @@ -3361,7 +3362,8 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
> if (!is_mst)
> intel_ddi_enable_pipe_clock(crtc_state);
>
> - intel_dsc_enable(encoder, crtc_state);
> + if (!crtc_state->bigjoiner)
> + intel_dsc_enable(encoder, crtc_state);
> }
>
> static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
> @@ -3972,19 +3974,18 @@ void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
> crtc_state->min_voltage_level = 2;
> }
>
> -void intel_ddi_get_config(struct intel_encoder *encoder,
> - struct intel_crtc_state *pipe_config)
> +static void intel_ddi_read_func_ctl(struct intel_encoder *encoder,
> + struct intel_crtc_state *pipe_config)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
> enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
> u32 temp, flags = 0;
>
> - /* XXX: DSI transcoder paranoia */
> - if (WARN_ON(transcoder_is_dsi(cpu_transcoder)))
> + temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
> + if (!(temp & TRANS_DDI_FUNC_ENABLE))
> return;
>
> - temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
> if (temp & TRANS_DDI_PHSYNC)
> flags |= DRM_MODE_FLAG_PHSYNC;
> else
> @@ -4066,6 +4067,29 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> default:
> break;
> }
> +}
> +
> +void intel_ddi_get_config(struct intel_encoder *encoder,
> + struct intel_crtc_state *pipe_config)
> +{
> + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
> +
> + /* XXX: DSI transcoder paranoia */
> + if (WARN_ON(transcoder_is_dsi(cpu_transcoder)))
> + return;
> +
> + intel_ddi_read_func_ctl(encoder, pipe_config);
> + if (pipe_config->bigjoiner_slave) {
> + /* read out pipe settings from master */
> + enum transcoder save = pipe_config->cpu_transcoder;
> +
> + /* Our own transcoder needs to be disabled when reading it in intel_ddi_read_func_ctl() */
> + WARN_ON(pipe_config->output_types);
> + pipe_config->cpu_transcoder = (enum transcoder)pipe_config->bigjoiner_linked_crtc->pipe;
> + intel_ddi_read_func_ctl(encoder, pipe_config);
> + pipe_config->cpu_transcoder = save;
> + }
>
> pipe_config->has_audio =
> intel_ddi_is_audio_enabled(dev_priv, cpu_transcoder);
> @@ -4090,7 +4114,8 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp;
> }
>
> - intel_ddi_clock_get(encoder, pipe_config);
> + if (!pipe_config->bigjoiner_slave)
> + intel_ddi_clock_get(encoder, pipe_config);
>
> if (IS_GEN9_LP(dev_priv))
> pipe_config->lane_lat_optim_mask =
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 143d531c4c81..8c08c4914c9b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -6449,6 +6449,45 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc)
> I915_WRITE(PIPE_MBUS_DBOX_CTL(pipe), val);
> }
>
> +static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
> + struct intel_crtc_state *crtc_state)
> +{
> + struct intel_crtc *master = to_intel_crtc(crtc_state->uapi.crtc);
> + struct intel_crtc_state *master_crtc_state;
> + struct drm_connector_state *conn_state;
> + struct drm_connector *conn;
> + struct intel_encoder *encoder = NULL;
> + int i;
> +
> + if (crtc_state->bigjoiner_slave)
> + master = crtc_state->bigjoiner_linked_crtc;
> +
> + master_crtc_state = intel_atomic_get_new_crtc_state(state, master);
> +
> + for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
> + if (conn_state->crtc != &master->base)
> + continue;
> +
> + encoder = to_intel_encoder(conn_state->best_encoder);
> + break;
> + }
> +
> + if (!crtc_state->bigjoiner_slave) {
> + /* need to enable VDSC, which we skipped in pre-enable */
> + intel_dsc_enable(encoder, crtc_state);
> + } else {
> + /*
> + * Enable sequence steps 1-7 on bigjoiner master
> + */
I'd extend this comment to indicate that we do this on the slave (using
the master's state, transcoder, and DDI) because the [will] program the
slave CRTC before the master.
> + intel_encoders_pre_pll_enable(master, master_crtc_state, state);
> + intel_enable_shared_dpll(master_crtc_state);
> + intel_encoders_pre_enable(master, master_crtc_state, state);
> +
> + /* and DSC on slave */
> + intel_dsc_enable(NULL, crtc_state);
> + }
> +}
> +
> static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
> struct intel_atomic_state *state)
> {
> @@ -6462,37 +6501,38 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
> if (WARN_ON(intel_crtc->active))
> return;
>
> - intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state);
> + if (!pipe_config->bigjoiner) {
> + intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state);
>
> - if (pipe_config->shared_dpll)
> - intel_enable_shared_dpll(pipe_config);
> + if (pipe_config->shared_dpll)
> + intel_enable_shared_dpll(pipe_config);
>
> - intel_encoders_pre_enable(intel_crtc, pipe_config, state);
> + intel_encoders_pre_enable(intel_crtc, pipe_config, state);
> + } else {
> + icl_ddi_bigjoiner_pre_enable(state, pipe_config);
> + }
>
> - if (intel_crtc_has_dp_encoder(pipe_config))
> - intel_dp_set_m_n(pipe_config, M1_N1);
> + intel_set_pipe_src_size(pipe_config);
> + if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
> + bdw_set_pipemisc(pipe_config);
>
> - if (!transcoder_is_dsi(cpu_transcoder))
> - intel_set_pipe_timings(pipe_config);
> + if (!pipe_config->bigjoiner_slave && !transcoder_is_dsi(cpu_transcoder)) {
> + if (intel_crtc_has_dp_encoder(pipe_config))
> + intel_dp_set_m_n(pipe_config, M1_N1);
>
> - intel_set_pipe_src_size(pipe_config);
> + intel_set_pipe_timings(pipe_config);
>
> - if (cpu_transcoder != TRANSCODER_EDP &&
> - !transcoder_is_dsi(cpu_transcoder)) {
> - I915_WRITE(PIPE_MULT(cpu_transcoder),
> - pipe_config->pixel_multiplier - 1);
> - }
> + if (cpu_transcoder != TRANSCODER_EDP)
> + I915_WRITE(PIPE_MULT(cpu_transcoder),
> + pipe_config->pixel_multiplier - 1);
>
> - if (pipe_config->has_pch_encoder) {
> - intel_cpu_transcoder_set_m_n(pipe_config,
> - &pipe_config->fdi_m_n, NULL);
> - }
> + if (pipe_config->has_pch_encoder) {
> + intel_cpu_transcoder_set_m_n(pipe_config,
> + &pipe_config->fdi_m_n, NULL);
> + }
>
> - if (!transcoder_is_dsi(cpu_transcoder))
> haswell_set_pipeconf(pipe_config);
> -
> - if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
> - bdw_set_pipemisc(pipe_config);
> + }
>
> intel_crtc->active = true;
>
> @@ -6520,9 +6560,11 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
> if (INTEL_GEN(dev_priv) >= 11)
> icl_set_pipe_chicken(intel_crtc);
>
> - intel_ddi_set_pipe_settings(pipe_config);
> - if (!transcoder_is_dsi(cpu_transcoder))
> + if (!pipe_config->bigjoiner_slave && !transcoder_is_dsi(cpu_transcoder)) {
> + intel_ddi_set_pipe_settings(pipe_config);
> +
> intel_ddi_enable_transcoder_func(pipe_config);
> + }
>
> if (dev_priv->display.initial_watermarks != NULL)
> dev_priv->display.initial_watermarks(state, pipe_config);
> @@ -6531,8 +6573,10 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
> icl_pipe_mbus_enable(intel_crtc);
>
> /* XXX: Do the pipe assertions at the right place for BXT DSI. */
> - if (!transcoder_is_dsi(cpu_transcoder))
> + if (!pipe_config->bigjoiner_slave && !transcoder_is_dsi(cpu_transcoder))
> intel_enable_pipe(pipe_config);
> + else
> + trace_intel_pipe_enable(intel_crtc);
>
> if (pipe_config->has_pch_encoder)
> lpt_pch_enable(state, pipe_config);
> @@ -6663,9 +6707,27 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
> else
> ironlake_pfit_disable(old_crtc_state);
>
> - intel_encoders_post_disable(intel_crtc, old_crtc_state, state);
> + if (old_crtc_state->bigjoiner) {
> + struct intel_crtc *master;
> + struct intel_crtc_state *master_crtc_state;
>
> - intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state);
> + /* ports are disabled from the slave, after it deconfigures */
> + if (!old_crtc_state->bigjoiner_slave)
> + return;
> +
> + master = old_crtc_state->bigjoiner_linked_crtc;
> + master_crtc_state = intel_atomic_get_old_crtc_state(state, master);
> +
> + intel_ddi_disable_pipe_clock(old_crtc_state);
> +
> + /* disable ports on the master crtc */
> + intel_encoders_post_disable(master, master_crtc_state, state);
> + intel_encoders_post_pll_disable(master, master_crtc_state, state);
> + } else {
> + intel_encoders_post_disable(intel_crtc, old_crtc_state, state);
> +
> + intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state);
> + }
> }
>
> static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state)
> @@ -6829,6 +6891,9 @@ static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state)
> if (crtc_state->shared_dpll)
> mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE);
>
> + if (crtc_state->dsc_params.compression_enable)
> + mask |= BIT_ULL(intel_dsc_power_domain(crtc_state));
> +
> return mask;
> }
>
> @@ -7417,6 +7482,19 @@ static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config)
> return pixel_rate;
> }
>
> +static void intel_encoder_get_config(struct intel_encoder *encoder,
> + struct intel_crtc_state *crtc_state)
> +{
> + encoder->get_config(encoder, crtc_state);
> +
> + crtc_state->hw.transcoder_mode.flags = crtc_state->hw.adjusted_mode.flags;
> +
> + /* if transcoder clock is not set, assume same as adjusted_mode clock */
> + if (!crtc_state->hw.transcoder_mode.crtc_clock)
> + crtc_state->hw.transcoder_mode.crtc_clock =
> + crtc_state->hw.adjusted_mode.crtc_clock;
> +}
> +
> static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
> {
> struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
> @@ -8265,6 +8343,24 @@ static void intel_get_pipe_timings(struct intel_crtc *crtc,
> pipe_config->hw.adjusted_mode.crtc_vtotal += 1;
> pipe_config->hw.adjusted_mode.crtc_vblank_end += 1;
> }
> +
> + pipe_config->hw.transcoder_mode = pipe_config->hw.adjusted_mode;
> + if (pipe_config->bigjoiner) {
> + struct drm_display_mode *adjusted_mode =
> + &pipe_config->hw.adjusted_mode;
> +
> + /*
> + * transcoder is programmed to the full mode,
> + * but pipje timings are half of the transcoder mode
> + */
> + adjusted_mode->crtc_hdisplay /= 2;
> + adjusted_mode->crtc_hblank_start /= 2;
> + adjusted_mode->crtc_hblank_end /= 2;
> + adjusted_mode->crtc_hsync_start /= 2;
> + adjusted_mode->crtc_hsync_end /= 2;
> + adjusted_mode->crtc_htotal /= 2;
> + adjusted_mode->crtc_hskew /= 2;
> + }
> }
>
> static void intel_get_pipe_src_size(struct intel_crtc *crtc,
> @@ -8285,20 +8381,22 @@ static void intel_get_pipe_src_size(struct intel_crtc *crtc,
> void intel_mode_from_pipe_config(struct drm_display_mode *mode,
> struct intel_crtc_state *pipe_config)
> {
> - mode->hdisplay = pipe_config->hw.adjusted_mode.crtc_hdisplay;
> - mode->htotal = pipe_config->hw.adjusted_mode.crtc_htotal;
> - mode->hsync_start = pipe_config->hw.adjusted_mode.crtc_hsync_start;
> - mode->hsync_end = pipe_config->hw.adjusted_mode.crtc_hsync_end;
> + struct drm_display_mode *hw_mode = &pipe_config->hw.transcoder_mode;
>
> - mode->vdisplay = pipe_config->hw.adjusted_mode.crtc_vdisplay;
> - mode->vtotal = pipe_config->hw.adjusted_mode.crtc_vtotal;
> - mode->vsync_start = pipe_config->hw.adjusted_mode.crtc_vsync_start;
> - mode->vsync_end = pipe_config->hw.adjusted_mode.crtc_vsync_end;
> + mode->hdisplay = hw_mode->crtc_hdisplay;
> + mode->htotal = hw_mode->crtc_htotal;
> + mode->hsync_start = hw_mode->crtc_hsync_start;
> + mode->hsync_end = hw_mode->crtc_hsync_end;
>
> - mode->flags = pipe_config->hw.adjusted_mode.flags;
> + mode->vdisplay = hw_mode->crtc_vdisplay;
> + mode->vtotal = hw_mode->crtc_vtotal;
> + mode->vsync_start = hw_mode->crtc_vsync_start;
> + mode->vsync_end = hw_mode->crtc_vsync_end;
> +
> + mode->flags = hw_mode->flags;
> mode->type = DRM_MODE_TYPE_DRIVER;
>
> - mode->clock = pipe_config->hw.adjusted_mode.crtc_clock;
> + mode->clock = hw_mode->crtc_clock;
>
> mode->hsync = drm_mode_hsync(mode);
> mode->vrefresh = drm_mode_vrefresh(mode);
> @@ -10385,6 +10483,8 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
> u32 tmp;
>
> tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder));
> + if (!(tmp & TRANS_DDI_FUNC_ENABLE))
> + return;
>
> if (INTEL_GEN(dev_priv) >= 12)
> port = TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp);
> @@ -10455,11 +10555,19 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
> WARN_ON(active);
> active = true;
> }
> + intel_dsc_get_config(pipe_config);
>
> - if (!active)
> - goto out;
> + if (!active) {
> + /* bigjoiner slave doesn't enable transcoder */
> + if (!pipe_config->bigjoiner_slave)
> + goto out;
> +
> + active = true;
> + pipe_config->pixel_multiplier = 1;
>
> - if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
> + /* we cannot read out most state, so don't bother.. */
> + pipe_config->quirks |= PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE;
> + } else if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
> INTEL_GEN(dev_priv) >= 11) {
> haswell_get_ddi_port_state(crtc, pipe_config);
> intel_get_pipe_timings(crtc, pipe_config);
> @@ -10513,7 +10621,10 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
> }
> }
>
> - if (pipe_config->cpu_transcoder != TRANSCODER_EDP &&
> + if (pipe_config->bigjoiner_slave) {
> + /* Cannot be read out as a slave, set to 0. */
> + pipe_config->pixel_multiplier = 0;
> + } else if (pipe_config->cpu_transcoder != TRANSCODER_EDP &&
> !transcoder_is_dsi(pipe_config->cpu_transcoder)) {
> pipe_config->pixel_multiplier =
> I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1;
> @@ -11468,7 +11579,7 @@ intel_encoder_current_mode(struct intel_encoder *encoder)
> return NULL;
> }
>
> - encoder->get_config(encoder, crtc_state);
> + intel_encoder_get_config(encoder, crtc_state);
>
> intel_mode_from_pipe_config(mode, crtc_state);
>
> @@ -12285,9 +12396,11 @@ static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
>
> static void copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state)
> {
> - crtc_state->uapi.enable = crtc_state->hw.enable;
> - crtc_state->uapi.active = crtc_state->hw.active;
> - crtc_state->uapi.mode = crtc_state->hw.mode;
> + if (!crtc_state->bigjoiner_slave) {
> + crtc_state->uapi.enable = crtc_state->hw.enable;
> + crtc_state->uapi.active = crtc_state->hw.active;
> + crtc_state->uapi.mode = crtc_state->hw.mode;
> + }
> crtc_state->uapi.adjusted_mode = crtc_state->hw.transcoder_mode;
> }
>
> @@ -12318,6 +12431,7 @@ copy_bigjoiner_crtc_state(struct intel_crtc_state *crtc_state,
> crtc_state->hw.active = from_crtc_state->hw.active;
> crtc_state->hw.mode = from_crtc_state->hw.mode;
> crtc_state->hw.adjusted_mode = from_crtc_state->hw.adjusted_mode;
> + crtc_state->hw.transcoder_mode = from_crtc_state->hw.transcoder_mode;
>
> /* Some fixups */
> crtc_state->uapi.mode_changed = from_crtc_state->uapi.mode_changed;
> @@ -12833,19 +12947,41 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
>
> PIPE_CONF_CHECK_X(output_types);
>
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hdisplay);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_htotal);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hblank_start);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hblank_end);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hsync_start);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hsync_end);
> -
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vdisplay);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vtotal);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vblank_start);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vblank_end);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vsync_start);
> - PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vsync_end);
> + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE)) {
> + /* bigjoiner mode = transcoder mode / 2, for calculations */
> + PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_hdisplay);
> + PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_htotal);
> + PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vdisplay);
> + PIPE_CONF_CHECK_I(hw.adjusted_mode.crtc_vtotal);
> +
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_hdisplay);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_htotal);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_hblank_start);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_hblank_end);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_hsync_start);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_hsync_end);
> +
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vdisplay);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vtotal);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vblank_start);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vblank_end);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vsync_start);
> + PIPE_CONF_CHECK_I(hw.transcoder_mode.crtc_vsync_end);
> +
> + PIPE_CONF_CHECK_FLAGS(hw.transcoder_mode.flags,
> + DRM_MODE_FLAG_INTERLACE);
> +
> + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) {
> + PIPE_CONF_CHECK_FLAGS(hw.transcoder_mode.flags,
> + DRM_MODE_FLAG_PHSYNC);
> + PIPE_CONF_CHECK_FLAGS(hw.transcoder_mode.flags,
> + DRM_MODE_FLAG_NHSYNC);
> + PIPE_CONF_CHECK_FLAGS(hw.transcoder_mode.flags,
> + DRM_MODE_FLAG_PVSYNC);
> + PIPE_CONF_CHECK_FLAGS(hw.transcoder_mode.flags,
> + DRM_MODE_FLAG_NVSYNC);
> + }
> + }
>
> PIPE_CONF_CHECK_I(pixel_multiplier);
> PIPE_CONF_CHECK_I(output_format);
> @@ -12857,24 +12993,11 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
> PIPE_CONF_CHECK_BOOL(hdmi_scrambling);
> PIPE_CONF_CHECK_BOOL(hdmi_high_tmds_clock_ratio);
> PIPE_CONF_CHECK_BOOL(has_infoframe);
> - PIPE_CONF_CHECK_BOOL(fec_enable);
> + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE))
> + PIPE_CONF_CHECK_BOOL(fec_enable);
>
> PIPE_CONF_CHECK_BOOL_INCOMPLETE(has_audio);
>
> - PIPE_CONF_CHECK_FLAGS(hw.adjusted_mode.flags,
> - DRM_MODE_FLAG_INTERLACE);
> -
> - if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) {
> - PIPE_CONF_CHECK_FLAGS(hw.adjusted_mode.flags,
> - DRM_MODE_FLAG_PHSYNC);
> - PIPE_CONF_CHECK_FLAGS(hw.adjusted_mode.flags,
> - DRM_MODE_FLAG_NHSYNC);
> - PIPE_CONF_CHECK_FLAGS(hw.adjusted_mode.flags,
> - DRM_MODE_FLAG_PVSYNC);
> - PIPE_CONF_CHECK_FLAGS(hw.adjusted_mode.flags,
> - DRM_MODE_FLAG_NVSYNC);
> - }
> -
> PIPE_CONF_CHECK_X(gmch_pfit.control);
> /* pfit ratios are autocomputed by the hw on gen4+ */
> if (INTEL_GEN(dev_priv) < 4)
> @@ -12898,7 +13021,8 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
> }
>
> PIPE_CONF_CHECK_I(scaler_state.scaler_id);
> - PIPE_CONF_CHECK_CLOCK_FUZZY(pixel_rate);
> + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE))
> + PIPE_CONF_CHECK_CLOCK_FUZZY(pixel_rate);
>
> PIPE_CONF_CHECK_X(gamma_mode);
> if (IS_CHERRYVIEW(dev_priv))
> @@ -12917,48 +13041,50 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
> PIPE_CONF_CHECK_BOOL(double_wide);
>
> PIPE_CONF_CHECK_P(shared_dpll);
> + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE)) {
> PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
Missing indent on this line?
> - PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
> - PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
> - PIPE_CONF_CHECK_X(dpll_hw_state.fp1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.wrpll);
> - PIPE_CONF_CHECK_X(dpll_hw_state.spll);
> - PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2);
> - PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr0);
> - PIPE_CONF_CHECK_X(dpll_hw_state.ebb0);
> - PIPE_CONF_CHECK_X(dpll_hw_state.ebb4);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll0);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll2);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll3);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll6);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll8);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll9);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pll10);
> - PIPE_CONF_CHECK_X(dpll_hw_state.pcsdw12);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_refclkin_ctl);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_clktop2_coreclkctl1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_clktop2_hsclkctl);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_div0);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_div1);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_lf);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_frac_lock);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_ssc);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_bias);
> - PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_tdc_coldst_bias);
> -
> - PIPE_CONF_CHECK_X(dsi_pll.ctrl);
> - PIPE_CONF_CHECK_X(dsi_pll.div);
> -
> - if (IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5)
> - PIPE_CONF_CHECK_I(pipe_bpp);
> -
> - PIPE_CONF_CHECK_CLOCK_FUZZY(hw.adjusted_mode.crtc_clock);
> - PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock);
> -
> - PIPE_CONF_CHECK_I(min_voltage_level);
> + PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
> + PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
> + PIPE_CONF_CHECK_X(dpll_hw_state.fp1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.wrpll);
> + PIPE_CONF_CHECK_X(dpll_hw_state.spll);
> + PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2);
> + PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr0);
> + PIPE_CONF_CHECK_X(dpll_hw_state.ebb0);
> + PIPE_CONF_CHECK_X(dpll_hw_state.ebb4);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll0);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll2);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll3);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll6);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll8);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll9);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pll10);
> + PIPE_CONF_CHECK_X(dpll_hw_state.pcsdw12);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_refclkin_ctl);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_clktop2_coreclkctl1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_clktop2_hsclkctl);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_div0);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_div1);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_lf);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_frac_lock);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_ssc);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_bias);
> + PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_tdc_coldst_bias);
> +
> + PIPE_CONF_CHECK_X(dsi_pll.ctrl);
> + PIPE_CONF_CHECK_X(dsi_pll.div);
> +
> + if (IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5)
> + PIPE_CONF_CHECK_I(pipe_bpp);
> +
> + PIPE_CONF_CHECK_CLOCK_FUZZY(hw.adjusted_mode.crtc_clock);
> + PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock);
> +
> + PIPE_CONF_CHECK_I(min_voltage_level);
> + }
>
> PIPE_CONF_CHECK_X(infoframes.enable);
> PIPE_CONF_CHECK_X(infoframes.gcp);
> @@ -12967,6 +13093,12 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
> PIPE_CONF_CHECK_INFOFRAME(hdmi);
> PIPE_CONF_CHECK_INFOFRAME(drm);
>
> + PIPE_CONF_CHECK_BOOL(bigjoiner);
> + PIPE_CONF_CHECK_BOOL(bigjoiner_slave);
> + PIPE_CONF_CHECK_P(bigjoiner_linked_crtc);
> + PIPE_CONF_CHECK_BOOL(dsc_params.compression_enable);
> + PIPE_CONF_CHECK_BOOL(dsc_params.dsc_split);
> +
> #undef PIPE_CONF_CHECK_X
> #undef PIPE_CONF_CHECK_I
> #undef PIPE_CONF_CHECK_BOOL
> @@ -13221,6 +13353,7 @@ verify_crtc_state(struct intel_crtc *crtc,
> struct intel_encoder *encoder;
> struct intel_crtc_state *pipe_config;
> struct drm_atomic_state *state;
> + struct intel_crtc *master = crtc;
> bool active;
>
> state = old_crtc_state->uapi.state;
> @@ -13250,7 +13383,10 @@ verify_crtc_state(struct intel_crtc *crtc,
> "(expected %i, found %i)\n",
> new_crtc_state->hw.active, crtc->active);
>
> - for_each_encoder_on_crtc(dev, &crtc->base, encoder) {
> + if (new_crtc_state->bigjoiner_slave)
> + master = new_crtc_state->bigjoiner_linked_crtc;
> +
> + for_each_encoder_on_crtc(dev, &master->base, encoder) {
> enum pipe pipe;
>
> active = encoder->get_hw_state(encoder, &pipe);
> @@ -13259,12 +13395,12 @@ verify_crtc_state(struct intel_crtc *crtc,
> encoder->base.base.id, active,
> new_crtc_state->hw.active);
>
> - I915_STATE_WARN(active && crtc->pipe != pipe,
> + I915_STATE_WARN(active && master->pipe != pipe,
> "Encoder connected to wrong pipe %c\n",
> pipe_name(pipe));
>
> if (active)
> - encoder->get_config(encoder, pipe_config);
> + intel_encoder_get_config(encoder, pipe_config);
> }
>
> intel_crtc_compute_pixel_rate(pipe_config);
> @@ -13906,6 +14042,7 @@ static void intel_update_crtc(struct intel_crtc *crtc,
>
> if (modeset) {
> update_scanline_offset(new_crtc_state);
> + drm_calc_timestamping_constants(&crtc->base, &new_crtc_state->hw.transcoder_mode);
> dev_priv->display.crtc_enable(new_crtc_state, state);
>
> /* vblanks work again, re-enable pipe CRC. */
> @@ -13990,7 +14127,7 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
> */
> for_each_oldnew_intel_crtc_in_state_reverse(state, crtc, old_crtc_state,
> new_crtc_state, i) {
> - if (!needs_modeset(new_crtc_state))
> + if (!needs_modeset(new_crtc_state) || old_crtc_state->bigjoiner_slave)
> continue;
>
> intel_pre_plane_update(old_crtc_state, new_crtc_state);
> @@ -14000,6 +14137,19 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
> old_crtc_state,
> new_crtc_state,
> crtc);
> +
> + if (old_crtc_state->bigjoiner) {
> + struct intel_crtc *slave = old_crtc_state->bigjoiner_linked_crtc;
> + struct intel_crtc_state *old_slave_crtc_state =
> + intel_atomic_get_crtc_state(&state->base, slave);
> + struct intel_crtc_state *new_slave_crtc_state =
> + intel_atomic_get_crtc_state(&state->base, slave);
> +
> + intel_old_crtc_state_disables(state,
> + old_slave_crtc_state,
> + new_slave_crtc_state,
> + slave);
> + }
> }
> }
>
> @@ -16433,7 +16583,7 @@ int intel_modeset_init(struct drm_device *dev)
> for_each_intel_crtc(dev, crtc) {
> struct intel_initial_plane_config plane_config = {};
>
> - if (!crtc->active)
> + if (!to_intel_crtc_state(crtc->base.state)->uapi.active)
> continue;
>
> /*
> @@ -16923,7 +17073,17 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
> crtc_state = to_intel_crtc_state(crtc->base.state);
>
> encoder->base.crtc = &crtc->base;
> - encoder->get_config(encoder, crtc_state);
> + intel_encoder_get_config(encoder, crtc_state);
> +
> + /* read out to slave crtc as well for bigjoiner */
> + if (crtc_state->bigjoiner) {
> + /* encoder should read be linked to bigjoiner master */
> + WARN_ON(crtc_state->bigjoiner_slave);
> +
> + crtc = crtc_state->bigjoiner_linked_crtc;
> + crtc_state = to_intel_crtc_state(crtc->base.state);
> + intel_encoder_get_config(encoder, crtc_state);
> + }
> } else {
> encoder->base.crtc = NULL;
> }
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index dd0329a4b9ff..7e06c61447e6 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -786,6 +786,7 @@ struct intel_crtc_state {
> * accordingly.
> */
> #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
> +#define PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE (1<<1) /* bigjoiner slave, partial readout */
> unsigned long quirks;
>
> unsigned fb_bits; /* framebuffers to flip */
> @@ -1572,4 +1573,20 @@ static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
> return i915_ggtt_offset(state->vma);
> }
>
> +static inline bool
> +intel_crtc_supports_dsc(const struct intel_crtc_state *pipe_config)
> +{
> + struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
> +
> + /* On TGL, DSC is supported on all Pipes */
> + if (INTEL_GEN(dev_priv) >= 12)
> + return true;
> +
> + if (INTEL_GEN(dev_priv) >= 10 &&
> + pipe_config->cpu_transcoder != TRANSCODER_A)
> + return true;
> +
> + return false;
> +}
> +
> #endif /* __INTEL_DISPLAY_TYPES_H__ */
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 3d487ce16151..234be1c31958 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1907,22 +1907,6 @@ static bool intel_dp_supports_fec(struct intel_dp *intel_dp,
> drm_dp_sink_supports_fec(intel_dp->fec_capable);
> }
>
> -static bool intel_dp_source_supports_dsc(struct intel_dp *intel_dp,
> - const struct intel_crtc_state *pipe_config)
> -{
> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> -
> - /* On TGL, DSC is supported on all Pipes */
> - if (INTEL_GEN(dev_priv) >= 12)
> - return true;
> -
> - if (INTEL_GEN(dev_priv) >= 10 &&
> - pipe_config->cpu_transcoder != TRANSCODER_A)
> - return true;
> -
> - return false;
> -}
> -
> static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
> const struct intel_crtc_state *pipe_config)
> {
> @@ -1930,7 +1914,7 @@ static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
> if (!intel_dp_is_edp(intel_dp) && !pipe_config->fec_enable && 0)
> return false;
>
> - return intel_dp_source_supports_dsc(intel_dp, pipe_config) &&
> + return intel_crtc_supports_dsc(pipe_config) &&
> drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd);
> }
>
> diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
> index 38c181499505..11d4da9734a0 100644
> --- a/drivers/gpu/drm/i915/display/intel_vdsc.c
> +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
> @@ -480,11 +480,10 @@ intel_dsc_power_domain(const struct intel_crtc_state *crtc_state)
> return POWER_DOMAIN_TRANSCODER(cpu_transcoder);
> }
>
> -static void intel_configure_pps_for_dsc_encoder(struct intel_encoder *encoder,
> - const struct intel_crtc_state *crtc_state)
> +static void intel_configure_pps_for_dsc_encoder(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(encoder->base.dev);
> + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> const struct drm_dsc_config *vdsc_cfg = &crtc_state->dp_dsc_cfg;
> enum pipe pipe = crtc->pipe;
> enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
> @@ -494,6 +493,9 @@ static void intel_configure_pps_for_dsc_encoder(struct intel_encoder *encoder,
> u8 num_vdsc_instances = (crtc_state->dsc_params.dsc_split) ? 2 : 1;
> int i = 0;
>
> + if (crtc_state->bigjoiner)
> + num_vdsc_instances *= 2;
> +
> /* Populate PICTURE_PARAMETER_SET_0 registers */
> pps_val = DSC_VER_MAJ | vdsc_cfg->dsc_version_minor <<
> DSC_VER_MIN_SHIFT |
> @@ -899,74 +901,104 @@ static void intel_dp_write_dsc_pps_sdp(struct intel_encoder *encoder,
> sizeof(dp_dsc_pps_sdp));
> }
>
> +static i915_reg_t dss_ctl1_reg(const struct intel_crtc_state *crtc_state)
> +{
> + enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe;
> +
> + if (crtc_state->cpu_transcoder == TRANSCODER_EDP)
> + return DSS_CTL1;
> +
> + return ICL_PIPE_DSS_CTL1(pipe);
> +}
> +
> +static i915_reg_t dss_ctl2_reg(const struct intel_crtc_state *crtc_state)
> +{
> + enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe;
> +
> + if (crtc_state->cpu_transcoder == TRANSCODER_EDP)
> + return DSS_CTL2;
> +
> + return ICL_PIPE_DSS_CTL2(pipe);
> +}
> +
> void intel_dsc_enable(struct intel_encoder *encoder,
> 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(encoder->base.dev);
> - enum pipe pipe = crtc->pipe;
> - i915_reg_t dss_ctl1_reg, dss_ctl2_reg;
> + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> u32 dss_ctl1_val = 0;
> u32 dss_ctl2_val = 0;
>
> if (!crtc_state->dsc_params.compression_enable)
> return;
>
> - /* Enable Power wells for VDSC/joining */
> - intel_display_power_get(dev_priv,
> - intel_dsc_power_domain(crtc_state));
> + intel_configure_pps_for_dsc_encoder(crtc_state);
>
> - intel_configure_pps_for_dsc_encoder(encoder, crtc_state);
> + if (!crtc_state->bigjoiner_slave)
> + intel_dp_write_dsc_pps_sdp(encoder, crtc_state);
>
> - intel_dp_write_dsc_pps_sdp(encoder, crtc_state);
> -
> - if (crtc_state->cpu_transcoder == TRANSCODER_EDP) {
> - dss_ctl1_reg = DSS_CTL1;
> - dss_ctl2_reg = DSS_CTL2;
> - } else {
> - dss_ctl1_reg = ICL_PIPE_DSS_CTL1(pipe);
> - dss_ctl2_reg = ICL_PIPE_DSS_CTL2(pipe);
> - }
> dss_ctl2_val |= LEFT_BRANCH_VDSC_ENABLE;
> if (crtc_state->dsc_params.dsc_split) {
> dss_ctl2_val |= RIGHT_BRANCH_VDSC_ENABLE;
> dss_ctl1_val |= JOINER_ENABLE;
> }
> - I915_WRITE(dss_ctl1_reg, dss_ctl1_val);
> - I915_WRITE(dss_ctl2_reg, dss_ctl2_val);
> + if (crtc_state->bigjoiner) {
> + dss_ctl1_val |= BIG_JOINER_ENABLE;
> + if (!crtc_state->bigjoiner_slave)
> + dss_ctl1_val |= MASTER_BIG_JOINER_ENABLE;
> + }
> + I915_WRITE(dss_ctl1_reg(crtc_state), dss_ctl1_val);
> + I915_WRITE(dss_ctl2_reg(crtc_state), dss_ctl2_val);
> }
>
> void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state)
> {
> struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
> struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> - enum pipe pipe = crtc->pipe;
> - i915_reg_t dss_ctl1_reg, dss_ctl2_reg;
> - u32 dss_ctl1_val = 0, dss_ctl2_val = 0;
>
> if (!old_crtc_state->dsc_params.compression_enable)
> return;
>
> - if (old_crtc_state->cpu_transcoder == TRANSCODER_EDP) {
> - dss_ctl1_reg = DSS_CTL1;
> - dss_ctl2_reg = DSS_CTL2;
> - } else {
> - dss_ctl1_reg = ICL_PIPE_DSS_CTL1(pipe);
> - dss_ctl2_reg = ICL_PIPE_DSS_CTL2(pipe);
> + I915_WRITE(dss_ctl1_reg(old_crtc_state), 0);
> + I915_WRITE(dss_ctl2_reg(old_crtc_state), 0);
> +}
> +
> +void intel_dsc_get_config(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);
> + u32 dss_ctl1_val, dss_ctl2_val;
> + intel_wakeref_t wakeref;
> +
> + if (!intel_crtc_supports_dsc(crtc_state))
> + return;
> +
> + wakeref = intel_display_power_get_if_enabled(dev_priv, intel_dsc_power_domain(crtc_state));
> + if (!wakeref)
> + return;
> +
> + dss_ctl1_val = I915_READ(dss_ctl1_reg(crtc_state));
> + dss_ctl2_val = I915_READ(dss_ctl2_reg(crtc_state));
> + if (dss_ctl2_val & LEFT_BRANCH_VDSC_ENABLE)
> + crtc_state->dsc_params.compression_enable = true;
> +
> + if ((dss_ctl1_val & JOINER_ENABLE) && (dss_ctl2_val & RIGHT_BRANCH_VDSC_ENABLE))
> + crtc_state->dsc_params.dsc_split = true;
> +
> + if (dss_ctl1_val & BIG_JOINER_ENABLE) {
> + crtc_state->bigjoiner = true;
> +
> + if (!(dss_ctl1_val & MASTER_BIG_JOINER_ENABLE)) {
> + crtc_state->bigjoiner_slave = true;
> + if (!WARN_ON(crtc->pipe == PIPE_A))
> + crtc_state->bigjoiner_linked_crtc =
> + intel_get_crtc_for_pipe(dev_priv, crtc->pipe - 1);
> + } else {
> + if (!WARN_ON(INTEL_NUM_PIPES(dev_priv) == crtc->pipe + 1))
> + crtc_state->bigjoiner_linked_crtc =
> + intel_get_crtc_for_pipe(dev_priv, crtc->pipe + 1);
> + }
> }
> - dss_ctl1_val = I915_READ(dss_ctl1_reg);
> - if (dss_ctl1_val & JOINER_ENABLE)
> - dss_ctl1_val &= ~JOINER_ENABLE;
> - I915_WRITE(dss_ctl1_reg, dss_ctl1_val);
> -
> - dss_ctl2_val = I915_READ(dss_ctl2_reg);
> - if (dss_ctl2_val & LEFT_BRANCH_VDSC_ENABLE ||
> - dss_ctl2_val & RIGHT_BRANCH_VDSC_ENABLE)
> - dss_ctl2_val &= ~(LEFT_BRANCH_VDSC_ENABLE |
> - RIGHT_BRANCH_VDSC_ENABLE);
> - I915_WRITE(dss_ctl2_reg, dss_ctl2_val);
> -
> - /* Disable Power wells for VDSC/joining */
> - intel_display_power_put_unchecked(dev_priv,
> - intel_dsc_power_domain(old_crtc_state));
> +
> + intel_display_power_put(dev_priv, intel_dsc_power_domain(crtc_state), wakeref);
> }
> diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.h b/drivers/gpu/drm/i915/display/intel_vdsc.h
> index 90d3f6017fcb..569cf17402ba 100644
> --- a/drivers/gpu/drm/i915/display/intel_vdsc.h
> +++ b/drivers/gpu/drm/i915/display/intel_vdsc.h
> @@ -15,6 +15,8 @@ void intel_dsc_enable(struct intel_encoder *encoder,
> void intel_dsc_disable(const struct intel_crtc_state *crtc_state);
> int intel_dp_compute_dsc_params(struct intel_dp *intel_dp,
> struct intel_crtc_state *pipe_config);
> +void intel_dsc_get_config(struct intel_crtc_state *crtc_state);
> +
> enum intel_display_power_domain
> intel_dsc_power_domain(const struct intel_crtc_state *crtc_state);
>
> --
> 2.20.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795
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