From: Ville Syrjälä Date: Mon, 10 Nov 2025 17:27:43 +0000 (+0200) Subject: drm/i915/de: Introduce intel_de_wait_us() X-Git-Tag: v6.19-rc1~157^2~11^2~24 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6494d16f20ba1ccc978461d11351f4f5bcf852a;p=thirdparty%2Fkernel%2Fstable.git drm/i915/de: Introduce intel_de_wait_us() Introduce intel_de_wait_us() as the microsecond based counterpart to the millisecond based intel_de_wait_ms(). Signed-off-by: Ville Syrjälä Link: https://patch.msgid.link/20251110172756.2132-5-ville.syrjala@linux.intel.com Reviewed-by: Suraj Kandpal Acked-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h index d449180d1d224..43a4160f760a4 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,