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panvk: Add a read-write non-cached memory pool for CSF events

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Events cross the device boundary and can be read/written by the host.
We could add the necessary cache flush and made those GPU-cached, but
it's way simpler to allocate non-cached memory.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Rebecca Mckeever <rebecca.mckeever@collabora.com>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Reviewed-by: John Anthony <john.anthony@arm.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30969>
This commit is contained in:
Boris Brezillon 2024-08-31 11:52:42 +02:00 • committed by Marge Bot
parent 53fb1d99ca
commit 7049d31676
2 changed files with 13 additions and 1 deletions
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1
src/panfrost/vulkan/panvk_device.h
View file

@ -69,6 +69,7 @@ struct panvk_device {
struct {
struct panvk_pool rw;
struct panvk_pool rw_nc;
struct panvk_pool exec;
} mempools;

13
src/panfrost/vulkan/panvk_vX_device.c
View file

@ -61,7 +61,7 @@ panvk_device_init_mempools(struct panvk_device *dev)
struct panvk_pool_properties rw_pool_props = {
.create_flags = 0,
.slab_size = 16 * 1024,
.label = "Device RW memory pool",
.label = "Device RW cached memory pool",
.owns_bos = false,
.needs_locking = true,
.prealloc = false,
@ -69,6 +69,17 @@ panvk_device_init_mempools(struct panvk_device *dev)
panvk_pool_init(&dev->mempools.rw, dev, NULL, &rw_pool_props);
struct panvk_pool_properties rw_nc_pool_props = {
.create_flags = PAN_KMOD_BO_FLAG_GPU_UNCACHED,
.slab_size = 16 * 1024,
.label = "Device RW uncached memory pool",
.owns_bos = false,
.needs_locking = true,
.prealloc = false,
};
panvk_pool_init(&dev->mempools.rw_nc, dev, NULL, &rw_nc_pool_props);
struct panvk_pool_properties exec_pool_props = {
.create_flags = PAN_KMOD_BO_FLAG_EXECUTABLE,
.slab_size = 16 * 1024,