turnip: add missing register write to disable dithering

This was causing rendering issues with low precision formats because GL
driver can enable it.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
53 jobs for !8707 with turnip-fixes in 23 minutes and 41 seconds (queued for 4 seconds)
detached
Status Job ID Name Coverage
  Sanity
passed #6881997
sanity

00:00:09

 
  Container
passed #6882000
aarch64 manual
arm_build

00:00:14

passed #6882001
manual
arm_test-base

00:00:11

manual #6882002
windows shell 1809 mesa manual
windows_build_vs2019
manual #6881998
manual
x86_build-base
manual #6881999
manual
x86_test-base
 
  Container 2
created #6882010
android_build
passed #6882013
arm64_test

00:00:11

passed #6882014
armhf_test

00:00:10

created #6882007
i386_build
created #6882003
kernel+rootfs_amd64
passed #6882004
aarch64
kernel+rootfs_arm64

00:00:13

passed #6882005
aarch64
kernel+rootfs_armhf

00:00:12

created #6882008
ppc64el_build
created #6882009
s390x_build
created #6882006
x86_build
created #6882011
x86_test-gl
created #6882012
x86_test-vk
 
  Meson X86 64
created #6882020
meson-clang
created #6882021
meson-clover
created #6882017
meson-clover-testing
created #6882018
meson-gallium
created #6882019
meson-release
created #6882015
meson-testing
created #6882016
meson-testing-asan
created #6882022
meson-vulkan
 
  Build Misc
created #6882023
meson-android
passed #6882025
aarch64
meson-arm64

00:03:17

passed #6882026
aarch64
meson-arm64-build-test

00:02:12

passed #6882024
aarch64
meson-armhf

00:01:54

created #6882028
meson-i386
created #6882031
meson-mingw32-x86_64
created #6882030
kvm
meson-ppc64el
created #6882029
kvm
meson-s390x
created #6882027
allowed to fail
scons-win64
 
  Freedreno
passed #6882042
google-freedreno-db410c
arm64_a306_gles2

00:08:44

passed #6882043
google-freedreno-db410c
arm64_a306_gles3

00:07:34

passed #6882044
google-freedreno-db410c
arm64_a306_gles3_options

00:05:38

passed #6882045
google-freedreno-db820c
arm64_a530_gles2 1/2

00:08:39

passed #6882046
google-freedreno-db820c
arm64_a530_gles2 2/2

00:08:21

passed #6882047
google-freedreno-db820c
arm64_a530_gles3

00:05:08

passed #6882048
google-freedreno-db820c
arm64_a530_gles31

00:07:24

passed #6882036
google-freedreno-cheza
arm64_a630_gl

00:01:29

passed #6882033
google-freedreno-cheza
arm64_a630_gles2

00:01:46

passed #6882035
google-freedreno-cheza
arm64_a630_gles3

00:05:19

passed #6882034
google-freedreno-cheza
arm64_a630_gles31

00:04:20

passed #6882037
google-freedreno-cheza
arm64_a630_gles_others

00:03:38

passed #6882151
google-freedreno-cheza
arm64_a630_piglit_shader

00:10:39

passed #6882032
google-freedreno-cheza
arm64-a630-traces

00:06:06

passed #6882038
google-freedreno-cheza
arm64_a630_vk 1/2

00:07:41

passed #6882039
google-freedreno-cheza
arm64_a630_vk 2/2

00:07:28

passed #6882040
google-freedreno-cheza
arm64_a630_vk_sysmem

00:02:21

failed #6882041
google-freedreno-cheza
arm64_a630_piglit_shader

00:11:44