Please ignore this patch. There is a bug in the patch that I still need to fix.
Thanks! -Mika- > -----Original Message----- > From: Kahola, Mika <[email protected]> > Sent: Wednesday, November 1, 2023 4:05 PM > To: [email protected] > Cc: Sousa, Gustavo <[email protected]>; Kahola, Mika > <[email protected]> > Subject: [PATCH] drm/i915/mtl: C20 state verification > > Add state verification for C20 as we have one for C10. > > Signed-off-by: Mika Kahola <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_cx0_phy.c | 111 ++++++++++++++---- > drivers/gpu/drm/i915/display/intel_cx0_phy.h | 2 +- > .../drm/i915/display/intel_modeset_verify.c | 2 +- > 3 files changed, 88 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c > b/drivers/gpu/drm/i915/display/intel_cx0_phy.c > index b2ad4c6172f6..654e91deb7e8 100644 > --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c > +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c > @@ -3017,35 +3017,15 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder, > return ICL_PORT_DPLL_DEFAULT; > } > > -void intel_c10pll_state_verify(struct intel_atomic_state *state, > - struct intel_crtc *crtc) > +static void intel_c10pll_state_verify(const struct intel_crtc_state *state, > + struct intel_crtc *crtc, > + struct intel_encoder *encoder) > { > - struct drm_i915_private *i915 = to_i915(state->base.dev); > - const struct intel_crtc_state *new_crtc_state = > - intel_atomic_get_new_crtc_state(state, crtc); > + struct drm_i915_private *i915 = to_i915(crtc->base.dev); > struct intel_c10pll_state mpllb_hw_state = {}; > - const struct intel_c10pll_state *mpllb_sw_state = > &new_crtc_state->cx0pll_state.c10; > - struct intel_encoder *encoder; > - enum phy phy; > + const struct intel_c10pll_state *mpllb_sw_state = > +&state->cx0pll_state.c10; > int i; > > - if (DISPLAY_VER(i915) < 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); > - phy = intel_port_to_phy(i915, encoder->port); > - > - if (!intel_is_c10phy(i915, phy)) > - return; > - > intel_c10pll_readout_hw_state(encoder, &mpllb_hw_state); > > for (i = 0; i < ARRAY_SIZE(mpllb_sw_state->pll); i++) { @@ -3091,3 > +3071,84 @@ 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 drm_i915_private *i915 = to_i915(crtc->base.dev); > + struct intel_c20pll_state mpll_hw_state = {}; > + const struct intel_c20pll_state *mpll_sw_state = > &state->cx0pll_state.c20; > + bool use_mplla; > + int i; > + > + intel_c20pll_readout_hw_state(encoder, &mpll_hw_state); > + > + use_mplla = intel_c20_use_mplla(mpll_hw_state.clock); > + if (use_mplla) { > + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mplla); i++) { > + u8 expected = mpll_sw_state->mplla[i]; > + > + I915_STATE_WARN(i915, mpll_hw_state.mplla[i] != > expected, > + "[CRTC:%d:%s] mismatch in C20MPLLA: > Register[%d] (expected 0x%02x, found > 0x%02x)", > + crtc->base.base.id, crtc->base.name, i, > + expected, mpll_hw_state.mplla[i]); > + } > + } else { > + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mpllb); i++) { > + u8 expected = mpll_sw_state->mpllb[i]; > + > + I915_STATE_WARN(i915, mpll_hw_state.mpllb[i] != > expected, > + "[CRTC:%d:%s] mismatch in C20MPLLB: > Register[%d] (expected 0x%02x, found > 0x%02x)", > + crtc->base.base.id, crtc->base.name, i, > + expected, mpll_hw_state.mpllb[i]); > + } > + } > + > + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->tx); i++) { > + I915_STATE_WARN(i915, mpll_hw_state.tx[i] != > mpll_sw_state->tx[i], > + "[CRTC:%d:%s] mismatch in C20MPLL%s: Register > TX[%i] (expected 0x%02x, found 0x%02x)", > + crtc->base.base.id, crtc->base.name, > + use_mplla ? "A" : "B", > + i, > + mpll_sw_state->tx[i], mpll_hw_state.tx[i]); > + } > + > + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->cmn); i++) { > + I915_STATE_WARN(i915, mpll_hw_state.cmn[i] != > mpll_sw_state->cmn[i], > + "[CRTC:%d:%s] mismatch in C20MPLL%s: Register > CMN[%i] (expected 0x%02x, found 0x%02x)", > + crtc->base.base.id, crtc->base.name, > + use_mplla ? "A" : "B", > + 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 drm_i915_private *i915 = to_i915(state->base.dev); > + const struct intel_crtc_state *new_crtc_state = > + intel_atomic_get_new_crtc_state(state, crtc); > + struct intel_encoder *encoder; > + enum phy phy; > + > + if (DISPLAY_VER(i915) < 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); > + phy = intel_port_to_phy(i915, encoder->port); > + > + if (intel_is_c10phy(i915, phy)) > + intel_c10pll_state_verify(new_crtc_state, crtc, encoder); > + else > + intel_c20pll_state_verify(new_crtc_state, crtc, encoder); } > diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h > b/drivers/gpu/drm/i915/display/intel_cx0_phy.h > index 222aed16e739..c6682677253a 100644 > --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h > +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h > @@ -38,7 +38,7 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder > *encoder, > > void intel_c10pll_dump_hw_state(struct drm_i915_private *dev_priv, > const struct intel_c10pll_state *hw_state); > -void intel_c10pll_state_verify(struct > intel_atomic_state *state, > +void intel_cx0pll_state_verify(struct intel_atomic_state *state, > struct intel_crtc *crtc); > void intel_c20pll_dump_hw_state(struct drm_i915_private *i915, > const struct intel_c20pll_state *hw_state); > diff --git > a/drivers/gpu/drm/i915/display/intel_modeset_verify.c > b/drivers/gpu/drm/i915/display/intel_modeset_verify.c > index 5e1c2c780412..076298a8d405 100644 > --- a/drivers/gpu/drm/i915/display/intel_modeset_verify.c > +++ b/drivers/gpu/drm/i915/display/intel_modeset_verify.c > @@ -244,7 +244,7 @@ void intel_modeset_verify_crtc(struct intel_atomic_state > *state, > verify_crtc_state(state, crtc); > intel_shared_dpll_state_verify(state, crtc); > intel_mpllb_state_verify(state, crtc); > - intel_c10pll_state_verify(state, crtc); > + intel_cx0pll_state_verify(state, crtc); > } > > void intel_modeset_verify_disabled(struct intel_atomic_state *state) > -- > 2.34.1
