> Subject: [CI 15/32] drm/i915/display: Remove state verification
> 
> When pll's are moved to dpll framework we no longer need Cx0 specific state
> verification as we can rely on dpll state verification instead.
> 
> Signed-off-by: Imre Deak <[email protected]>
> Signed-off-by: Mika Kahola <[email protected]>

LGTM,
Reviewed-by: Suraj Kandpal <[email protected]>

> ---
>  drivers/gpu/drm/i915/display/intel_cx0_phy.c  | 114 ------------------
>  drivers/gpu/drm/i915/display/intel_cx0_phy.h  |   2 -
>  .../drm/i915/display/intel_modeset_verify.c   |   1 -
>  3 files changed, 117 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> index 1e68a73c2ca8..5332f33800e7 100644
> --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> @@ -3617,35 +3617,6 @@ intel_mtl_port_pll_type(struct intel_encoder
> *encoder,
>               return ICL_PORT_DPLL_DEFAULT;
>  }
> 
> -static void intel_c10pll_state_verify(const struct intel_crtc_state *state,
> -                                   struct intel_crtc *crtc,
> -                                   struct intel_encoder *encoder,
> -                                   struct intel_c10pll_state *mpllb_hw_state)
> -{
> -     struct intel_display *display = to_intel_display(state);
> -     const struct intel_c10pll_state *mpllb_sw_state = &state-
> >dpll_hw_state.cx0pll.c10;
> -     int i;
> -
> -     for (i = 0; i < ARRAY_SIZE(mpllb_sw_state->pll); i++) {
> -             u8 expected = mpllb_sw_state->pll[i];
> -
> -             INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->pll[i]
> != expected,
> -                                      "[CRTC:%d:%s] mismatch in
> C10MPLLB: Register[%d] (expected 0x%02x, found 0x%02x)",
> -                                      crtc->base.base.id, crtc->base.name,
> i,
> -                                      expected, mpllb_hw_state->pll[i]);
> -     }
> -
> -     INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->tx !=
> mpllb_sw_state->tx,
> -                              "[CRTC:%d:%s] mismatch in C10MPLLB:
> Register TX0 (expected 0x%02x, found 0x%02x)",
> -                              crtc->base.base.id, crtc->base.name,
> -                              mpllb_sw_state->tx, mpllb_hw_state->tx);
> -
> -     INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->cmn !=
> mpllb_sw_state->cmn,
> -                              "[CRTC:%d:%s] mismatch in C10MPLLB:
> Register CMN0 (expected 0x%02x, found 0x%02x)",
> -                              crtc->base.base.id, crtc->base.name,
> -                              mpllb_sw_state->cmn, mpllb_hw_state-
> >cmn);
> -}
> -
>  void intel_cx0pll_readout_hw_state(struct intel_encoder *encoder,
>                                  struct intel_cx0pll_state *pll_state)  { @@ -
> 3722,91 +3693,6 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder
> *encoder,
>       return intel_c20pll_calc_port_clock(encoder, &pll_state->c20);  }
> 
> -static void intel_c20pll_state_verify(const struct intel_crtc_state *state,
> -                                   struct intel_crtc *crtc,
> -                                   struct intel_encoder *encoder,
> -                                   struct intel_c20pll_state *mpll_hw_state)
> -{
> -     struct intel_display *display = to_intel_display(state);
> -     const struct intel_c20pll_state *mpll_sw_state = &state-
> >dpll_hw_state.cx0pll.c20;
> -     bool sw_use_mpllb = intel_c20phy_use_mpllb(mpll_sw_state);
> -     bool hw_use_mpllb = intel_c20phy_use_mpllb(mpll_hw_state);
> -     int clock = intel_c20pll_calc_port_clock(encoder, mpll_sw_state);
> -     int i;
> -
> -     INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->clock != clock,
> -                              "[CRTC:%d:%s] mismatch in C20: Register
> CLOCK (expected %d, found %d)",
> -                              crtc->base.base.id, crtc->base.name,
> -                              mpll_sw_state->clock, mpll_hw_state-
> >clock);
> -
> -     INTEL_DISPLAY_STATE_WARN(display, sw_use_mpllb !=
> hw_use_mpllb,
> -                              "[CRTC:%d:%s] mismatch in C20: Register
> MPLLB selection (expected %d, found %d)",
> -                              crtc->base.base.id, crtc->base.name,
> -                              sw_use_mpllb, hw_use_mpllb);
> -
> -     if (hw_use_mpllb) {
> -             for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mpllb); i++) {
> -                     INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state-
> >mpllb[i] != mpll_sw_state->mpllb[i],
> -                                              "[CRTC:%d:%s] mismatch in
> C20MPLLB: Register[%d] (expected 0x%04x, found 0x%04x)",
> -                                              crtc->base.base.id, crtc-
> >base.name, i,
> -                                              mpll_sw_state->mpllb[i],
> mpll_hw_state->mpllb[i]);
> -             }
> -     } else {
> -             for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mplla); i++) {
> -                     INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state-
> >mplla[i] != mpll_sw_state->mplla[i],
> -                                              "[CRTC:%d:%s] mismatch in
> C20MPLLA: Register[%d] (expected 0x%04x, found 0x%04x)",
> -                                              crtc->base.base.id, crtc-
> >base.name, i,
> -                                              mpll_sw_state->mplla[i],
> mpll_hw_state->mplla[i]);
> -             }
> -     }
> -
> -     for (i = 0; i < ARRAY_SIZE(mpll_sw_state->tx); i++) {
> -             INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->tx[i] !=
> mpll_sw_state->tx[i],
> -                                      "[CRTC:%d:%s] mismatch in C20:
> Register TX[%i] (expected 0x%04x, found 0x%04x)",
> -                                      crtc->base.base.id, crtc->base.name,
> i,
> -                                      mpll_sw_state->tx[i], mpll_hw_state-
> >tx[i]);
> -     }
> -
> -     for (i = 0; i < ARRAY_SIZE(mpll_sw_state->cmn); i++) {
> -             INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->cmn[i]
> != mpll_sw_state->cmn[i],
> -                                      "[CRTC:%d:%s] mismatch in C20:
> Register CMN[%i] (expected 0x%04x, found 0x%04x)",
> -                                      crtc->base.base.id, crtc->base.name,
> i,
> -                                      mpll_sw_state->cmn[i],
> mpll_hw_state->cmn[i]);
> -     }
> -}
> -
> -void intel_cx0pll_state_verify(struct intel_atomic_state *state,
> -                            struct intel_crtc *crtc)
> -{
> -     struct intel_display *display = to_intel_display(state);
> -     const struct intel_crtc_state *new_crtc_state =
> -             intel_atomic_get_new_crtc_state(state, crtc);
> -     struct intel_encoder *encoder;
> -     struct intel_cx0pll_state mpll_hw_state = {};
> -
> -     if (DISPLAY_VER(display) < 14)
> -             return;
> -
> -     if (!new_crtc_state->hw.active)
> -             return;
> -
> -     /* intel_get_crtc_new_encoder() only works for modeset/fastset
> commits */
> -     if (!intel_crtc_needs_modeset(new_crtc_state) &&
> -         !intel_crtc_needs_fastset(new_crtc_state))
> -             return;
> -
> -     encoder = intel_get_crtc_new_encoder(state, new_crtc_state);
> -     intel_cx0pll_readout_hw_state(encoder, &mpll_hw_state);
> -
> -     if (mpll_hw_state.tbt_mode)
> -             return;
> -
> -     if (intel_encoder_is_c10phy(encoder))
> -             intel_c10pll_state_verify(new_crtc_state, crtc, encoder,
> &mpll_hw_state.c10);
> -     else
> -             intel_c20pll_state_verify(new_crtc_state, crtc, encoder,
> &mpll_hw_state.c20);
> -}
> -
>  /*
>   * WA 14022081154
>   * The dedicated display PHYs reset to a power state that blocks S0ix,
> increasing idle diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h
> b/drivers/gpu/drm/i915/display/intel_cx0_phy.h
> index c5a7b529955b..2b934b96af81 100644
> --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h
> +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h
> @@ -35,8 +35,6 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder
> *encoder,
> 
>  void intel_cx0pll_dump_hw_state(struct intel_display *display,
>                               const struct intel_cx0pll_state *hw_state); -
> void intel_cx0pll_state_verify(struct intel_atomic_state *state,
> -                            struct intel_crtc *crtc);
>  bool intel_cx0pll_compare_hw_state(const struct intel_cx0pll_state *a,
>                                  const struct intel_cx0pll_state *b);  void
> intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder, diff --git
> a/drivers/gpu/drm/i915/display/intel_modeset_verify.c
> b/drivers/gpu/drm/i915/display/intel_modeset_verify.c
> index f2f6b9d9afa1..22600bdbe8c5 100644
> --- a/drivers/gpu/drm/i915/display/intel_modeset_verify.c
> +++ b/drivers/gpu/drm/i915/display/intel_modeset_verify.c
> @@ -245,7 +245,6 @@ void intel_modeset_verify_crtc(struct
> intel_atomic_state *state,
>       verify_crtc_state(state, crtc);
>       intel_dpll_state_verify(state, crtc);
>       intel_mpllb_state_verify(state, crtc);
> -     intel_cx0pll_state_verify(state, crtc);
>  }
> 
>  void intel_modeset_verify_disabled(struct intel_atomic_state *state)
> --
> 2.34.1

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