drm/i915/cx0: 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 <imre.deak@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20251117104602.2363671-16-mika.kahola@intel.com

3 files changed, 0 insertions, 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 763546fe152b..31db79f0636b 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -3594,35 +3594,6 @@ 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)
 {
@@ -3699,91 +3670,6 @@ 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 (!IS_DISPLAY_VER(display, 14, 30))
-		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 84d334b865f7..0b98892ee8ac 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h
@@ -40,8 +40,6 @@ 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 b361a77cd235..12a00121c274 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_verify.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_verify.c
@@ -246,7 +246,6 @@ 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);
 	intel_lt_phy_pll_state_verify(state, crtc);
 }