revert SGM noise multiplier change for img2img because it breaks hires fix

1 files changed, 1 insertions, 7 deletions

diff --git a/modules/sd_samplers_kdiffusion.py b/modules/sd_samplers_kdiffusion.py
index a8a2735f..72c352a6 100644
--- a/modules/sd_samplers_kdiffusion.py
+++ b/modules/sd_samplers_kdiffusion.py
@@ -144,13 +144,7 @@ class KDiffusionSampler(sd_samplers_common.Sampler):
         sigmas = self.get_sigmas(p, steps)

         sigma_sched = sigmas[steps - t_enc - 1:]

 

-        if opts.sgm_noise_multiplier:

-            p.extra_generation_params["SGM noise multiplier"] = True

-            noise_multiplier = torch.sqrt(1.0 + sigma_sched[0] ** 2.0)

-        else:

-            noise_multiplier = sigma_sched[0]

-

-        xi = x + noise * noise_multiplier

+        xi = x + noise * sigma_sched[0]

 

         if opts.img2img_extra_noise > 0:

             p.extra_generation_params["Extra noise"] = opts.img2img_extra_noise