From: Ville Syrjälä <[email protected]> Introduce intel_de_wait_us() as the microsecond based counterpart to the millisecond based intel_de_wait_ms().
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_de.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h index d449180d1d22..43a4160f760a 100644 --- a/drivers/gpu/drm/i915/display/intel_de.h +++ b/drivers/gpu/drm/i915/display/intel_de.h @@ -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, -- 2.49.1
