ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2024-12-19 05:37:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

libdrm/iris: GEN12+

Browse Source 
* timestamp fequency
* topology

issue #4664
This commit is contained in:
Sebastian Sumpf 2022-11-10 17:10:12 +01:00 committed by Christian Helmuth
parent aafe9ae2d6
commit 25c1cdec95
1 changed files with 54 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
repos/libports/src/lib/libdrm/ioctl_iris.cc
View File

@ -793,9 +793,10 @@ class Drm_call
*value = _gpu_info.revision.value;
return 0;
case I915_PARAM_CS_TIMESTAMP_FREQUENCY:
if (verbose_ioctl)
*value = _gpu_info.clock_frequency.value;
if (verbose_ioctl && *value == 0)
Genode::error("I915_PARAM_CS_TIMESTAMP_FREQUENCY not supported");
return -1;
return *value ? 0 : -1;
case I915_PARAM_SLICE_MASK:
*value = _gpu_info.slice_mask.value;
return 0;
@ -1023,15 +1024,61 @@ class Drm_call
return 0;
}
int _device_create_topology(void *arg)
{
auto topo = reinterpret_cast<drm_i915_query_topology_info *>(arg);
Gpu::Info_intel::Topology const &info = _gpu_info.topology;
size_t slice_length = sizeof(info.slice_mask);
size_t subslice_length = info.max_slices * info.ss_stride;
size_t eu_length = info.max_slices * info.max_subslices * info.eu_stride;
Genode::memset(topo, 0, sizeof(*topo));
topo->max_slices = info.max_slices;
topo->max_subslices = info.max_subslices;
topo->max_eus_per_subslice = info.max_eus_per_subslice;
topo->subslice_offset = slice_length;
topo->subslice_stride = info.ss_stride;
topo->eu_offset = slice_length + subslice_length;
topo->eu_stride = info.eu_stride;
Genode::memcpy(topo->data, &info.slice_mask, slice_length);
Genode::memcpy(topo->data + slice_length, info.subslice_mask,
subslice_length);
Genode::memcpy(topo->data + slice_length + subslice_length,
info.eu_mask, eu_length);
return 0;
}
int _device_query(void *arg)
{
auto const query = reinterpret_cast<drm_i915_query*>(arg);
if (verbose_ioctl)
Genode::error("device specific iocall DRM_I915_QUERY not supported"
" - num_items=", query->num_items);
if (query->num_items != 1) {
if (verbose_ioctl)
Genode::error("device specific iocall DRM_I915_QUERY for num_items != 1 not supported"
" - num_items=", query->num_items);
return -1;
}
return -1;
auto const item = reinterpret_cast<drm_i915_query_item *>(query->items_ptr);
if (item->query_id != DRM_I915_QUERY_TOPOLOGY_INFO || _gpu_info.topology.valid == false) {
if (verbose_ioctl)
Genode::error("device specific iocall DRM_I915_QUERY not supported for "
" - query_id: ", Genode::Hex(item->query_id));
return -1;
}
if (!item->data_ptr) {
item->length = 1;
return 0;
}
return _device_create_topology((void *)item->data_ptr);
}
int _device_ioctl(unsigned cmd, void *arg)
@ -1385,6 +1432,6 @@ extern "C" int genode_ioctl(int /* fd */, unsigned long request, void *arg)
if (verbose_ioctl) { dump_ioctl(request); }
int const ret = _call->ioctl(request, arg);
if (verbose_ioctl) { Genode::log("returned ", ret); }
if (verbose_ioctl) { Genode::log("returned ", ret, " from ", __builtin_return_address(0)); }
return ret;
}