[Intel-gfx] [PATCH 3/3] drm/i915/display: Print out debug messages for clock rates
Mika Kahola
mika.kahola at intel.com
Mon Dec 4 11:58:56 UTC 2023
Print out clock rate for C10 chip and clock rate and link bitrate
for C20 chip for debugging purposes.
Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 02efe2786c6a..647e00bac9c3 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1942,8 +1942,9 @@ void intel_c10pll_dump_hw_state(struct drm_i915_private *i915,
unsigned int multiplier, tx_clk_div;
fracen = hw_state->pll[0] & C10_PLL0_FRACEN;
- drm_dbg_kms(&i915->drm, "c10pll_hw_state: fracen: %s, ",
- str_yes_no(fracen));
+ drm_dbg_kms(&i915->drm, "c10pll_hw_state:\n");
+ drm_dbg_kms(&i915->drm, "clock: %d\n", hw_state->clock);
+ drm_dbg_kms(&i915->drm, "fracen: %s, ", str_yes_no(fracen));
if (fracen) {
frac_quot = hw_state->pll[12] << 8 | hw_state->pll[11];
@@ -2131,6 +2132,8 @@ void intel_c20pll_dump_hw_state(struct drm_i915_private *i915,
int i;
drm_dbg_kms(&i915->drm, "c20pll_hw_state:\n");
+ drm_dbg_kms(&i915->drm, "link bitrate: %d\n", hw_state->link_bit_rate);
+ drm_dbg_kms(&i915->drm, "clock: %d\n", hw_state->clock);
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",
--
2.34.1
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