The bigjoiner master handling in modset_enables/disables looks good.
Reviewed-by: Manasi Navare <navaremanasi@xxxxxxxxxxxx>
Manasi
On Mon, Mar 25, 2024 at 12:20 AM Srinivas, Vidya
<vidya.srinivas@xxxxxxxxx> wrote:
>
> Thank you Stan. Rev 14 works.
> Tested-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
>
> > -----Original Message-----
> > From: Lisovskiy, Stanislav <stanislav.lisovskiy@xxxxxxxxx>
> > Sent: Wednesday, March 20, 2024 8:45 PM
> > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: Lisovskiy, Stanislav <stanislav.lisovskiy@xxxxxxxxx>; Saarinen, Jani
> > <jani.saarinen@xxxxxxxxx>; ville.syrjala@xxxxxxxxxxxxxxx; Srinivas, Vidya
> > <vidya.srinivas@xxxxxxxxx>
> > Subject: [PATCH 5/6] drm/i915: Handle joined pipes inside hsw_crtc_enable()
> >
> > Handle only bigjoiner masters in skl_commit_modeset_enables/disables,
> > slave crtcs should be handled by master hooks. Same for encoders.
> > That way we can also remove a bunch of checks like
> > intel_crtc_is_bigjoiner_slave.
> >
> > v2: - Moved skl_pfit_enable, intel_dsc_enable, intel_crtc_vblank_on to
> > intel_enable_ddi,
> > so that it is now finally symmetrical with the disable case, because
> > currently
> > for some weird reason we are calling those from
> > skl_commit_modeset_enables, while
> > for the disable case those are called from the ddi disable hooks.
> >
> > v3: - Create intel_ddi_enable_hdmi_or_sst symmetrical to
> > intel_ddi_post_disable_hdmi_or_sst and move it also under non-mst
> > check.
> >
> > v4: - Fix intel_enable_ddi sequence
> > - Call intel_crtc_update_active_timings for slave pipes as well
> >
> > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_ddi.c | 45 ++++-
> > drivers/gpu/drm/i915/display/intel_display.c | 179 ++++++++++---------
> > drivers/gpu/drm/i915/display/intel_display.h | 7 +
> > 3 files changed, 137 insertions(+), 94 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> > b/drivers/gpu/drm/i915/display/intel_ddi.c
> > index 290ccab7c9ee8..9128b82a49c31 100644
> > --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> > @@ -3366,15 +3366,28 @@ static void intel_enable_ddi_hdmi(struct
> > intel_atomic_state *state,
> > intel_wait_ddi_buf_active(dev_priv, port); }
> >
> > -static void intel_enable_ddi(struct intel_atomic_state *state,
> > - struct intel_encoder *encoder,
> > - const struct intel_crtc_state *crtc_state,
> > - const struct drm_connector_state *conn_state)
> > +static void intel_ddi_enable_hdmi_or_sst(struct intel_atomic_state *state,
> > + struct intel_encoder *encoder,
> > + const struct intel_crtc_state
> > *crtc_state,
> > + const struct drm_connector_state
> > *conn_state)
> > {
> > - drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
> > + struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> > + u8 pipe_mask = intel_crtc_joined_pipe_mask(crtc_state);
> > + struct intel_crtc *crtc;
> > +
> > + for_each_intel_crtc_in_pipe_mask_reverse(&i915->drm, crtc,
> > pipe_mask) {
> > + const struct intel_crtc_state *new_crtc_state =
> > + intel_atomic_get_new_crtc_state(state, crtc);
> > +
> > + intel_dsc_enable(new_crtc_state);
> > +
> > + if (DISPLAY_VER(i915) >= 9)
> > + skl_pfit_enable(new_crtc_state);
> > + else
> > + ilk_pfit_enable(new_crtc_state);
> > + }
> >
> > - if (!intel_crtc_is_bigjoiner_slave(crtc_state))
> > - intel_ddi_enable_transcoder_func(encoder, crtc_state);
> > + intel_ddi_enable_transcoder_func(encoder, crtc_state);
> >
> > /* Enable/Disable DP2.0 SDP split config before transcoder */
> > intel_audio_sdp_split_update(crtc_state);
> > @@ -3383,7 +3396,22 @@ static void intel_enable_ddi(struct
> > intel_atomic_state *state,
> >
> > intel_ddi_wait_for_fec_status(encoder, crtc_state, true);
> >
> > - intel_crtc_vblank_on(crtc_state);
> > + for_each_intel_crtc_in_pipe_mask_reverse(&i915->drm, crtc,
> > pipe_mask) {
> > + const struct intel_crtc_state *new_crtc_state =
> > + intel_atomic_get_new_crtc_state(state, crtc);
> > + intel_crtc_vblank_on(new_crtc_state);
> > + }
> > +}
> > +
> > +static void intel_enable_ddi(struct intel_atomic_state *state,
> > + struct intel_encoder *encoder,
> > + const struct intel_crtc_state *crtc_state,
> > + const struct drm_connector_state *conn_state) {
> > + drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
> > +
> > + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))
> > + intel_ddi_enable_hdmi_or_sst(state, encoder, crtc_state,
> > conn_state);
> >
> > if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
> > intel_enable_ddi_hdmi(state, encoder, crtc_state,
> > conn_state); @@ -3391,7 +3419,6 @@ static void intel_enable_ddi(struct
> > intel_atomic_state *state,
> > intel_enable_ddi_dp(state, encoder, crtc_state, conn_state);
> >
> > intel_hdcp_enable(state, encoder, crtc_state, conn_state);
> > -
> > }
> >
> > static void intel_disable_ddi_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 a1eccefde9f09..af029577e58bb 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -794,7 +794,7 @@ intel_get_crtc_new_encoder(const struct
> > intel_atomic_state *state,
> > return encoder;
> > }
> >
> > -static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state)
> > +void ilk_pfit_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); @@ -
> > 1593,24 +1593,6 @@ static void hsw_set_frame_start_delay(const struct
> > intel_crtc_state *crtc_state)
> > HSW_FRAME_START_DELAY(crtc_state->framestart_delay -
> > 1)); }
> >
> > -static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
> > - const struct intel_crtc_state
> > *crtc_state)
> > -{
> > - struct intel_crtc *master_crtc = intel_master_crtc(crtc_state);
> > -
> > - /*
> > - * Enable sequence steps 1-7 on bigjoiner master
> > - */
> > - if (intel_crtc_is_bigjoiner_slave(crtc_state))
> > - intel_encoders_pre_pll_enable(state, master_crtc);
> > -
> > - if (crtc_state->shared_dpll)
> > - intel_enable_shared_dpll(crtc_state);
> > -
> > - if (intel_crtc_is_bigjoiner_slave(crtc_state))
> > - intel_encoders_pre_enable(state, master_crtc);
> > -}
> > -
> > static void hsw_configure_cpu_transcoder(const struct intel_crtc_state
> > *crtc_state) {
> > struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> > @@ -1646,90 +1628,103 @@ static void hsw_crtc_enable(struct
> > intel_atomic_state *state,
> > const struct intel_crtc_state *new_crtc_state =
> > intel_atomic_get_new_crtc_state(state, crtc);
> > struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> > - enum pipe pipe = crtc->pipe, hsw_workaround_pipe;
> > + u8 pipe_mask = intel_crtc_joined_pipe_mask(new_crtc_state);
> > + struct intel_crtc *pipe_mask_crtc;
> > enum transcoder cpu_transcoder = new_crtc_state->cpu_transcoder;
> > - bool psl_clkgate_wa;
> >
> > if (drm_WARN_ON(&dev_priv->drm, crtc->active))
> > return;
> >
> > - intel_dmc_enable_pipe(dev_priv, crtc->pipe);
> > + for_each_intel_crtc_in_pipe_mask_reverse(&dev_priv->drm,
> > pipe_mask_crtc,
> > + pipe_mask)
> > + intel_dmc_enable_pipe(dev_priv, pipe_mask_crtc->pipe);
> >
> > - if (!new_crtc_state->bigjoiner_pipes) {
> > - intel_encoders_pre_pll_enable(state, crtc);
> > + intel_encoders_pre_pll_enable(state, crtc);
> >
> > - if (new_crtc_state->shared_dpll)
> > - intel_enable_shared_dpll(new_crtc_state);
> > + for_each_intel_crtc_in_pipe_mask_reverse(&dev_priv->drm,
> > pipe_mask_crtc,
> > + pipe_mask) {
> > + const struct intel_crtc_state *pipe_mask_crtc_state =
> > + intel_atomic_get_new_crtc_state(state,
> > pipe_mask_crtc);
> >
> > - intel_encoders_pre_enable(state, crtc);
> > - } else {
> > - icl_ddi_bigjoiner_pre_enable(state, new_crtc_state);
> > - }
> > + if (new_crtc_state->shared_dpll)
> > + intel_enable_shared_dpll(pipe_mask_crtc_state);
> >
> > - intel_dsc_enable(new_crtc_state);
> > + if (DISPLAY_VER(dev_priv) >= 13)
> > +
> > intel_uncompressed_joiner_enable(pipe_mask_crtc_state);
> >
> > - if (DISPLAY_VER(dev_priv) >= 13)
> > - intel_uncompressed_joiner_enable(new_crtc_state);
> > + intel_set_pipe_src_size(pipe_mask_crtc_state);
> > + if (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
> > + bdw_set_pipe_misc(pipe_mask_crtc_state);
> > + }
> >
> > - intel_set_pipe_src_size(new_crtc_state);
> > - if (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
> > - bdw_set_pipe_misc(new_crtc_state);
> > + intel_encoders_pre_enable(state, crtc);
> >
> > - if (!intel_crtc_is_bigjoiner_slave(new_crtc_state) &&
> > - !transcoder_is_dsi(cpu_transcoder))
> > + if (!transcoder_is_dsi(cpu_transcoder))
> > hsw_configure_cpu_transcoder(new_crtc_state);
> >
> > - crtc->active = true;
> > -
> > - /* Display WA #1180: WaDisableScalarClockGating: glk */
> > - psl_clkgate_wa = DISPLAY_VER(dev_priv) == 10 &&
> > - new_crtc_state->pch_pfit.enabled;
> > - if (psl_clkgate_wa)
> > - glk_pipe_scaler_clock_gating_wa(dev_priv, pipe, true);
> > + for_each_intel_crtc_in_pipe_mask_reverse(&dev_priv->drm,
> > pipe_mask_crtc,
> > + pipe_mask) {
> > + const struct intel_crtc_state *pipe_mask_crtc_state =
> > + intel_atomic_get_new_crtc_state(state,
> > pipe_mask_crtc);
> > + bool psl_clkgate_wa;
> > + enum pipe pipe = pipe_mask_crtc->pipe;
> >
> > - if (DISPLAY_VER(dev_priv) >= 9)
> > - skl_pfit_enable(new_crtc_state);
> > - else
> > - ilk_pfit_enable(new_crtc_state);
> > + pipe_mask_crtc->active = true;
> >
> > - /*
> > - * On ILK+ LUT must be loaded before the pipe is running but with
> > - * clocks enabled
> > - */
> > - intel_color_load_luts(new_crtc_state);
> > - intel_color_commit_noarm(new_crtc_state);
> > - intel_color_commit_arm(new_crtc_state);
> > - /* update DSPCNTR to configure gamma/csc for pipe bottom color */
> > - if (DISPLAY_VER(dev_priv) < 9)
> > - intel_disable_primary_plane(new_crtc_state);
> > + /* Display WA #1180: WaDisableScalarClockGating: glk */
> > + psl_clkgate_wa = DISPLAY_VER(dev_priv) == 10 &&
> > + pipe_mask_crtc_state->pch_pfit.enabled;
> > + if (psl_clkgate_wa)
> > + glk_pipe_scaler_clock_gating_wa(dev_priv, pipe,
> > true);
> >
> > - hsw_set_linetime_wm(new_crtc_state);
> > + /*
> > + * On ILK+ LUT must be loaded before the pipe is running but
> > with
> > + * clocks enabled
> > + */
> > + intel_color_load_luts(pipe_mask_crtc_state);
> > + intel_color_commit_noarm(pipe_mask_crtc_state);
> > + intel_color_commit_arm(pipe_mask_crtc_state);
> > + /* update DSPCNTR to configure gamma/csc for pipe bottom
> > color */
> > + if (DISPLAY_VER(dev_priv) < 9)
> > + intel_disable_primary_plane(pipe_mask_crtc_state);
> >
> > - if (DISPLAY_VER(dev_priv) >= 11)
> > - icl_set_pipe_chicken(new_crtc_state);
> > + hsw_set_linetime_wm(pipe_mask_crtc_state);
> >
> > - intel_initial_watermarks(state, crtc);
> > + if (DISPLAY_VER(dev_priv) >= 11)
> > + icl_set_pipe_chicken(pipe_mask_crtc_state);
> >
> > - if (intel_crtc_is_bigjoiner_slave(new_crtc_state))
> > - intel_crtc_vblank_on(new_crtc_state);
> > + intel_initial_watermarks(state, pipe_mask_crtc);
> > + }
> >
> > intel_encoders_enable(state, crtc);
> >
> > - if (psl_clkgate_wa) {
> > - intel_crtc_wait_for_next_vblank(crtc);
> > - glk_pipe_scaler_clock_gating_wa(dev_priv, pipe, false);
> > - }
> > + for_each_intel_crtc_in_pipe_mask_reverse(&dev_priv->drm,
> > pipe_mask_crtc,
> > + pipe_mask) {
> > + const struct intel_crtc_state *pipe_mask_crtc_state =
> > + intel_atomic_get_new_crtc_state(state,
> > pipe_mask_crtc);
> > + bool psl_clkgate_wa;
> > + enum pipe pipe = pipe_mask_crtc->pipe,
> > hsw_workaround_pipe;
> > +
> > + /* Display WA #1180: WaDisableScalarClockGating: glk */
> > + psl_clkgate_wa = DISPLAY_VER(dev_priv) == 10 &&
> > + pipe_mask_crtc_state->pch_pfit.enabled;
> > +
> > + if (psl_clkgate_wa) {
> > + intel_crtc_wait_for_next_vblank(pipe_mask_crtc);
> > + glk_pipe_scaler_clock_gating_wa(dev_priv, pipe,
> > false);
> > + }
> >
> > - /* If we change the relative order between pipe/planes enabling, we
> > need
> > - * to change the workaround. */
> > - hsw_workaround_pipe = new_crtc_state->hsw_workaround_pipe;
> > - if (IS_HASWELL(dev_priv) && hsw_workaround_pipe !=
> > INVALID_PIPE) {
> > - struct intel_crtc *wa_crtc;
> > + /* If we change the relative order between pipe/planes
> > enabling, we need
> > + * to change the workaround. */
> > + hsw_workaround_pipe = pipe_mask_crtc_state-
> > >hsw_workaround_pipe;
> > + if (IS_HASWELL(dev_priv) && hsw_workaround_pipe !=
> > INVALID_PIPE) {
> > + struct intel_crtc *wa_crtc;
> >
> > - wa_crtc = intel_crtc_for_pipe(dev_priv,
> > hsw_workaround_pipe);
> > + wa_crtc = intel_crtc_for_pipe(dev_priv,
> > hsw_workaround_pipe);
> >
> > - intel_crtc_wait_for_next_vblank(wa_crtc);
> > - intel_crtc_wait_for_next_vblank(wa_crtc);
> > + intel_crtc_wait_for_next_vblank(wa_crtc);
> > + intel_crtc_wait_for_next_vblank(wa_crtc);
> > + }
> > }
> > }
> >
> > @@ -6626,12 +6621,20 @@ static void intel_enable_crtc(struct
> > intel_atomic_state *state,
> > struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> > const struct intel_crtc_state *new_crtc_state =
> > intel_atomic_get_new_crtc_state(state, crtc);
> > + u8 pipe_mask = intel_crtc_joined_pipe_mask(new_crtc_state);
> > + struct intel_crtc *pipe_mask_crtc;
> >
> > if (!intel_crtc_needs_modeset(new_crtc_state))
> > return;
> >
> > - /* VRR will be enable later, if required */
> > - intel_crtc_update_active_timings(new_crtc_state, false);
> > + for_each_intel_crtc_in_pipe_mask_reverse(&dev_priv->drm,
> > pipe_mask_crtc,
> > + pipe_mask) {
> > + const struct intel_crtc_state *_new_crtc_state =
> > + intel_atomic_get_new_crtc_state(state,
> > pipe_mask_crtc);
> > +
> > + /* VRR will be enable later, if required */
> > + intel_crtc_update_active_timings(_new_crtc_state, false);
> > + }
> >
> > dev_priv->display.funcs.display->crtc_enable(state, crtc);
> >
> > @@ -6711,8 +6714,9 @@ static void intel_update_crtc(struct
> > intel_atomic_state *state,
> > *
> > * FIXME Should be synchronized with the start of vblank somehow...
> > */
> > - if (vrr_enabling(old_crtc_state, new_crtc_state) ||
> > - new_crtc_state->update_m_n || new_crtc_state->update_lrr)
> > + if ((vrr_enabling(old_crtc_state, new_crtc_state) ||
> > + new_crtc_state->update_m_n || new_crtc_state->update_lrr) &&
> > + !new_crtc_state->bigjoiner_pipes)
> > intel_crtc_update_active_timings(new_crtc_state,
> > new_crtc_state->vrr.enable);
> >
> > @@ -6934,11 +6938,13 @@ static void skl_commit_modeset_enables(struct
> > intel_atomic_state *state)
> > continue;
> >
> > if (intel_dp_mst_is_slave_trans(new_crtc_state) ||
> > - is_trans_port_sync_master(new_crtc_state) ||
> > - intel_crtc_is_bigjoiner_master(new_crtc_state))
> > + is_trans_port_sync_master(new_crtc_state))
> > continue;
> >
> > - modeset_pipes &= ~BIT(pipe);
> > + if (intel_crtc_is_bigjoiner_slave(new_crtc_state))
> > + continue;
> > +
> > + modeset_pipes &=
> > ~intel_crtc_joined_pipe_mask(new_crtc_state);
> >
> > intel_enable_crtc(state, crtc);
> > }
> > @@ -6953,7 +6959,10 @@ static void skl_commit_modeset_enables(struct
> > intel_atomic_state *state)
> > if ((modeset_pipes & BIT(pipe)) == 0)
> > continue;
> >
> > - modeset_pipes &= ~BIT(pipe);
> > + if (intel_crtc_is_bigjoiner_slave(new_crtc_state))
> > + continue;
> > +
> > + modeset_pipes &=
> > ~intel_crtc_joined_pipe_mask(new_crtc_state);
> >
> > intel_enable_crtc(state, crtc);
> > }
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.h
> > b/drivers/gpu/drm/i915/display/intel_display.h
> > index 631218c954a47..9ace9b20f3b2a 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.h
> > +++ b/drivers/gpu/drm/i915/display/intel_display.h
> > @@ -312,6 +312,12 @@ enum phy_fia {
> > list_for_each_entry((intel_encoder), &(dev)-
> > >mode_config.encoder_list, base.head) \
> > for_each_if((intel_encoder)->base.crtc == (__crtc))
> >
> > +#define for_each_intel_crtc_in_pipe_mask_reverse(dev, intel_crtc,
> > pipe_mask) \
> > + list_for_each_entry_reverse(intel_crtc,
> > \
> > + &(dev)->mode_config.crtc_list,
> > \
> > + base.head)
> > \
> > + for_each_if((pipe_mask) & BIT(intel_crtc->pipe))
> > +
> > #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state,
> > __i) \
> > for ((__i) = 0; \
> > (__i) < (__state)->base.dev->mode_config.num_total_plane && \
> > @@ -493,6 +499,7 @@ intel_aux_power_domain(struct intel_digital_port
> > *dig_port); void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
> > struct intel_crtc_state *crtc_state); void
> > ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
> > +void ilk_pfit_enable(const struct intel_crtc_state *crtc_state);
> >
> > int bdw_get_pipe_misc_bpp(struct intel_crtc *crtc); unsigned int
> > intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
> > --
> > 2.37.3
>
