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drm/i915/de: Introduce intel_de_wait_us()

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Introduce intel_de_wait_us() as the microsecond based
counterpart to the millisecond based intel_de_wait_ms().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251110172756.2132-5-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 19:27:43 +02:00
parent 93e0f7c8a9
commit c6494d16f2
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/i915/display/intel_de.h
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@@ -114,6 +114,23 @@ __intel_de_wait_for_register_atomic_nowl(struct intel_display *display,
value, fast_timeout_us, 0, NULL);
}
static inline int
intel_de_wait_us(struct intel_display *display, i915_reg_t reg,
u32 mask, u32 value, unsigned int timeout_us,
u32 *out_value)
{
int ret;
intel_dmc_wl_get(display, reg);
ret = __intel_wait_for_register(__to_uncore(display), reg, mask,
value, timeout_us, 0, out_value);
intel_dmc_wl_put(display, reg);
return ret;
}
static inline int
intel_de_wait_ms(struct intel_display *display, i915_reg_t reg,
u32 mask, u32 value, unsigned int timeout_ms,