diff options
| author | Mika Kahola <mika.kahola@intel.com> | 2023-04-28 12:54:23 +0300 |
|---|---|---|
| committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2023-04-29 00:52:01 +0300 |
| commit | f968a25381acbe147c675fdd7a048f170e6cf44b (patch) | |
| tree | 3b388b722dadbd375e98d3c8c287f406da8561f6 | |
| parent | 929f527a7b70a5a7810f83c5e8941657413596c3 (diff) | |
| download | linux-f968a25381acbe147c675fdd7a048f170e6cf44b.tar.xz | |
drm/i915/mtl: Dump C20 pll hw state
As we already do with C10 chip, let's dump the pll
hw state for C20 as well.
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428095433.4109054-4-mika.kahola@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cx0_phy.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cx0_phy.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 1 |
3 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 651239006220..8a014f4edc0d 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2036,6 +2036,26 @@ void intel_c20pll_readout_hw_state(struct intel_encoder *encoder, intel_cx0_phy_transaction_end(encoder, wakeref); } +void intel_c20pll_dump_hw_state(struct drm_i915_private *i915, + const struct intel_c20pll_state *hw_state) +{ + int i; + + drm_dbg_kms(&i915->drm, "c20pll_hw_state:\n"); + drm_dbg_kms(&i915->drm, "tx[0] = 0x%.4x, tx[1] = 0x%.4x, tx[2] = 0x%.4x\n", + hw_state->tx[0], hw_state->tx[1], hw_state->tx[2]); + drm_dbg_kms(&i915->drm, "cmn[0] = 0x%.4x, cmn[1] = 0x%.4x, cmn[2] = 0x%.4x, cmn[3] = 0x%.4x\n", + hw_state->cmn[0], hw_state->cmn[1], hw_state->cmn[2], hw_state->cmn[3]); + + if (intel_c20_use_mplla(hw_state->clock)) { + for (i = 0; i < ARRAY_SIZE(hw_state->mplla); i++) + drm_dbg_kms(&i915->drm, "mplla[%d] = 0x%.4x\n", i, hw_state->mplla[i]); + } else { + for (i = 0; i < ARRAY_SIZE(hw_state->mpllb); i++) + drm_dbg_kms(&i915->drm, "mpllb[%d] = 0x%.4x\n", i, hw_state->mpllb[i]); + } +} + static u8 intel_c20_get_dp_rate(u32 clock) { switch (clock) { diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h b/drivers/gpu/drm/i915/display/intel_cx0_phy.h index 9760c6292c81..c643aae27bac 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h @@ -32,6 +32,8 @@ void intel_c10pll_state_verify(struct intel_atomic_state *state, struct intel_crtc_state *new_crtc_state); void intel_c20pll_readout_hw_state(struct intel_encoder *encoder, struct intel_c20pll_state *pll_state); +void intel_c20pll_dump_hw_state(struct drm_i915_private *i915, + const struct intel_c20pll_state *hw_state); void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state); int intel_cx0_phy_check_hdmi_link_rate(struct intel_hdmi *hdmi, int clock); diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bdd4c5871f86..2a0aa421422f 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3858,6 +3858,7 @@ static void mtl_ddi_get_config(struct intel_encoder *encoder, intel_c10pll_dump_hw_state(i915, &crtc_state->cx0pll_state.c10); } else { intel_c20pll_readout_hw_state(encoder, &crtc_state->cx0pll_state.c20); + intel_c20pll_dump_hw_state(i915, &crtc_state->cx0pll_state.c20); } crtc_state->port_clock = intel_c10pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c10); |