There is no need to use macros as we can use generic function.
And we can save ~2000 bytes in driver footprint.

v2: drop ret var, add 10ms fallback (Chris)

Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Paulo Zanoni <[email protected]>
Cc: Chris Wilson <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index b6b40cd..eeb828c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7703,16 +7703,21 @@ static void lpt_reset_fdi_mphy(struct drm_i915_private 
*dev_priv)
        tmp |= FDI_MPHY_IOSFSB_RESET_CTL;
        I915_WRITE(SOUTH_CHICKEN2, tmp);
 
-       if (wait_for_us(I915_READ(SOUTH_CHICKEN2) &
-                       FDI_MPHY_IOSFSB_RESET_STATUS, 100))
+       if (__intel_wait_for_register_fw(dev_priv,
+                                        SOUTH_CHICKEN2,
+                                        FDI_MPHY_IOSFSB_RESET_STATUS,
+                                        FDI_MPHY_IOSFSB_RESET_STATUS,
+                                        100, 10, &tmp))
                DRM_ERROR("FDI mPHY reset assert timeout\n");
 
-       tmp = I915_READ(SOUTH_CHICKEN2);
        tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL;
        I915_WRITE(SOUTH_CHICKEN2, tmp);
 
-       if (wait_for_us((I915_READ(SOUTH_CHICKEN2) &
-                        FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100))
+       if (__intel_wait_for_register_fw(dev_priv,
+                                        SOUTH_CHICKEN2,
+                                        FDI_MPHY_IOSFSB_RESET_STATUS,
+                                        0,
+                                        100, 10, NULL))
                DRM_ERROR("FDI mPHY reset de-assert timeout\n");
 }
 
-- 
2.7.4

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