From d7659d92eb6ecb2f881beffb1d7180389d3e4680 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Mon, 10 Nov 2025 19:27:53 +0200 Subject: [PATCH] drm/i915/de: Replace __intel_de_wait_for_register_nowl() with intel_de_wait_fw_us_atomic() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Nuke the remaining _nowl() stuff from the wakelock code in the form of __intel_de_wait_for_register_nowl(), and replace it with intel_de_wait_fw_us_atomic() that uses the low level _fw() register accessors in line with the rest of the code. No change in behaviour since wakelocks are only supported on xe, and xe doesn't have uncore.lock nor unclaimed register detection stuff. Signed-off-by: Ville Syrjälä Link: https://patch.msgid.link/20251110172756.2132-15-ville.syrjala@linux.intel.com Reviewed-by: Suraj Kandpal Acked-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_de.h | 19 +++++++++---------- drivers/gpu/drm/i915/display/intel_dmc_wl.c | 14 +++++++------- 2 files changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h index 655867ea76b8..a7ce3b875e06 100644 --- a/drivers/gpu/drm/i915/display/intel_de.h +++ b/drivers/gpu/drm/i915/display/intel_de.h @@ -97,16 +97,6 @@ intel_de_rmw(struct intel_display *display, i915_reg_t reg, u32 clear, u32 set) return val; } -static inline int -__intel_de_wait_for_register_atomic_nowl(struct intel_display *display, - i915_reg_t reg, - u32 mask, u32 value, - unsigned int fast_timeout_us) -{ - return __intel_wait_for_register(__to_uncore(display), reg, mask, - 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, @@ -150,6 +140,15 @@ intel_de_wait_fw_ms(struct intel_display *display, i915_reg_t reg, value, 2, timeout_ms, out_value); } +static inline int +intel_de_wait_fw_us_atomic(struct intel_display *display, i915_reg_t reg, + u32 mask, u32 value, unsigned int timeout_us, + u32 *out_value) +{ + return __intel_wait_for_register_fw(__to_uncore(display), reg, mask, + value, timeout_us, 0, out_value); +} + static inline int intel_de_wait_for_set_us(struct intel_display *display, i915_reg_t reg, u32 mask, unsigned int timeout_us) diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c index 869beb6f280d..73a3101514f3 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c +++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c @@ -181,9 +181,9 @@ static void intel_dmc_wl_work(struct work_struct *work) intel_de_rmw_fw(display, DMC_WAKELOCK1_CTL, DMC_WAKELOCK_CTL_REQ, 0); - if (__intel_de_wait_for_register_atomic_nowl(display, DMC_WAKELOCK1_CTL, - DMC_WAKELOCK_CTL_ACK, 0, - DMC_WAKELOCK_CTL_TIMEOUT_US)) { + if (intel_de_wait_fw_us_atomic(display, DMC_WAKELOCK1_CTL, + DMC_WAKELOCK_CTL_ACK, 0, + DMC_WAKELOCK_CTL_TIMEOUT_US, NULL)) { WARN_RATELIMIT(1, "DMC wakelock release timed out"); goto out_unlock; } @@ -213,10 +213,10 @@ static void __intel_dmc_wl_take(struct intel_display *display) * We need to use the atomic variant of the waiting routine * because the DMC wakelock is also taken in atomic context. */ - if (__intel_de_wait_for_register_atomic_nowl(display, DMC_WAKELOCK1_CTL, - DMC_WAKELOCK_CTL_ACK, - DMC_WAKELOCK_CTL_ACK, - DMC_WAKELOCK_CTL_TIMEOUT_US)) { + if (intel_de_wait_fw_us_atomic(display, DMC_WAKELOCK1_CTL, + DMC_WAKELOCK_CTL_ACK, + DMC_WAKELOCK_CTL_ACK, + DMC_WAKELOCK_CTL_TIMEOUT_US, NULL)) { WARN_RATELIMIT(1, "DMC wakelock ack timed out"); return; }