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drm/i915/dpio: Use the intel_de_wait_ms() out value

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Utilize the 'out_value' output parameter of intel_de_wait_ms()
instead of re-reading the DPLL/DPIO_PHY_STATUS register after
polling has finished.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251110172756.2132-17-ville.syrjala@linux.intel.com
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2025-11-10 19:27:55 +02:00
parent 7f8e97670f
commit 1e396bbf13
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/display/intel_dpio_phy.c
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@@ -1173,6 +1173,7 @@ void vlv_wait_port_ready(struct intel_encoder *encoder,
struct intel_display *display = to_intel_display(encoder);
u32 port_mask;
i915_reg_t dpll_reg;
u32 val;
switch (encoder->port) {
default:
@@ -1193,10 +1194,9 @@ void vlv_wait_port_ready(struct intel_encoder *encoder,
break;
}
if (intel_de_wait_ms(display, dpll_reg, port_mask, expected_mask, 1000, NULL))
if (intel_de_wait_ms(display, dpll_reg, port_mask, expected_mask, 1000, &val))
drm_WARN(display->drm, 1,
"timed out waiting for [ENCODER:%d:%s] port ready: got 0x%x, expected 0x%x\n",
encoder->base.base.id, encoder->base.name,
intel_de_read(display, dpll_reg) & port_mask,
expected_mask);
val & port_mask, expected_mask);
}