If you want Dolby Vision, HDR10, 10Plus, and SDR to all work properly (with HDR enabled under Display setting in Windows Settings), I have these configurations saved. Remember, Dolby Vision + RIFE do not work together still.
The order of the shaders if you want to use them is also important, last year with the original post at the top, the order was completely wrong.
But as @dawkinscm said you don't need to use shaders, also can remove the configs they suggested removing. I will do more testing in the coming weeks probably and try to remember to update in the future as well.
Not sure which TV you are using, or which monitor, but for target-peak=800 in the code below, I have 800 because that's the maximum NITS of brightness for the LG C2 42", C3 would be the same, G3 would be different because it uses MLA technology and can go higher. QD-OLED can go higher as well, depending on the product.
ontop
fullscreen=yes
d3d11-exclusive-fs=yes
volume=100
volume-max=100
video-sync=audio
hr-seek-framedrop=no
fbo-format=rgba16hf
vo=gpu-next
gpu-api=d3d11
hwdec=d3d11va
gpu-context=d3d11
drm-vrr-enabled=no
d3d11-sync-interval=1
target-peak=800
target-trc=pq
target-prim=bt.2020
tone-mapping=spline
tone-mapping-mode=luma
gamut-mapping-mode=perceptual
tone-mapping-param=bt.2390
tone-mapping-max-boost=2.0
dither=error-diffusion
error-diffusion=burkes
dither-depth=10
spirv-compiler=auto
target-contrast=inf
target-colorspace-hint=yes
hdr-compute-peak=yes
scale=ewa_lanczos
cscale=ewa_lanczos
dscale=ewa_lanczos
tscale=ewa_lanczos
osd-level=1
osd-bar-w=25
osd-color=0.5
osd-bar-align-x=0
osd-bar-align-y=-1
glsl-shader="C:\Users\Username\AppData\Roaming\mpv\Shaders\FSRCNNX_x2_8-0-4-1.glsl"
glsl-shader="C:\Users\Username\AppData\Roaming\mpv\Shaders\KrigBilateral.glsl"
glsl-shader="C:\Users\Username\AppData\Roaming\mpv\Shaders\SSimDownscaler.glsl"