radeonsi: Disable asynchronous DMA except for PIPE_BUFFER

Using the asynchronous DMA engine for multi-dimensional operations seems
to cause random GPU lockups for various people. While the root cause for
this might need to be fixed in the kernel, let's disable it for now.

Before re-enabling this, please make sure you can hit all newly enabled
paths in your testing, preferably with both piglit and real world apps,
and get in touch with people on the bug reports below for stability
testing.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85647
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83500
Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
(cherry picked from commit ae4536b4f71cbe76230ea7edc7eb4d6041e651b4)
st/mesa: copy sampler_array_size field when copying instructions

The sampler_array_size field was added by "mesa/st: add support for
dynamic sampler offsets".  But the field wasn't getting copied in
the get_pixel_transfer_visitor() or get_bitmap_visitor() functions.

The count_resources() function then didn't properly compute the
glsl_to_tgsi_visitor::samplers_used bitmask.  Then, we didn't declare
all the sampler registers in st_translate_program().  Finally, we
asserted when we tried to emit a tgsi ureg src register with File =
TGSI_FILE_UNDEFINED.

Add the missing assignments and some new assertions to catch the
invalid register sooner.

Cc: "10.3, 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
(cherry picked from commit 11abd7b2bc49455bb8c5b2f9e60f92d4284ae6c2)
r600g/cayman: fix integer multiplication output overwrite (v2)

This fixes tests/spec/glsl-1.10/execution/fs-op-assign-mult-ivec2-ivec2-overwrite.shader_test.

hopeful fix for fd.o bug 85376

Reported-by: ghallberg
Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 4a128d5a16a575faaac969468a3aaafce48504cf)
r600g/cayman: fix texture gather tests

It appears on cayman the TG4 outputs were reordered.

This fixes a lot of piglit tests.

Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 27e1e0e7108511b43d0f56f678c7201f39e2acc5)
r600g/cayman: handle empty vertex shaders

Some of the geom shader tests produce an empty vertex shader,
on cayman we'd crash in the finaliser because last_cf was NULL.

cayman doesn't need the NOP workaround, so if the code arrives
here with no last_cf, just emit an END.

fixes crashes in a bunch of piglit geom shader tests.

Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 4e520101e6a0b4fcd930323c32d1a8a6348c8417)
st/mesa: add a fallback for clear_with_quad when no vs_layer

Not all drivers can set gl_Layer from VS. Add a fallback that passes the
instance id from VS to GS, and then uses the GS to set the layer.

Tested by adding

  quad_buffers |= clear_buffers;
  clear_buffers = 0;

to the st_Clear logic, and forcing set_vertex_shader_layered in all
cases. No piglit regressions (on piglits with 'clear' in the name).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Cc: "10.4 10.3" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 68db29c434e144891e5990b032b44495de52f6eb)
r600g: geom shaders: always load texture src regs from inputs

Otherwise we seem to lose the split_gs_inputs and try and
pull from an uninitialised register.

fixes 9 texelFetch geom shader tests.

Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit d4c342f67e128dd9c17e8ae48a44677baf546295)
r600g: limit texture offset application to specific types (v2)

For 1D and 2D arrays we don't want the other coordinates being
offset and affecting where we sample. I wrote this patch 6 months
ago but lost it.

Fixes:
./bin/tex-miplevel-selection textureLodOffset 1DArray
./bin/tex-miplevel-selection textureLodOffset 2DArray
./bin/tex-miplevel-selection textureOffset 1DArray
./bin/tex-miplevel-selection textureOffset 1DArrayShadow
./bin/tex-miplevel-selection textureOffset 2DArray
./bin/tex-miplevel-selection textureOffset(bias) 1DArray
./bin/tex-miplevel-selection textureOffset(bias) 2DArray

v2: rewrite to handle more cases and be consistent with code
above.

Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 1830138cc04a2948b4cbc24b04faac3f6e195992)