Add state verification for C20 as we have one
for C10.
v2: use register values as u32 instead of u8
Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 107 ++++++++++++++----
drivers/gpu/drm/i915/display/intel_cx0_phy.h | 2 +-
.../drm/i915/display/intel_modeset_verify.c | 2 +-
3 files changed, 84 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..87329bd2272a 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 +3071,80 @@ 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++) {
+ I915_STATE_WARN(i915, 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]);
+ }
+ } else {
+ for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mpllb); i++) {
+ I915_STATE_WARN(i915, 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]);
+ }
+ }
+
+ 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%04x, found 0x%04x)",
+ 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%04x, found 0x%04x)",
+ 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
