#include "selftests/igt_spinner.h"
struct live_mocs {
- struct drm_i915_mocs_table mocs;
- struct drm_i915_mocs_table l3cc;
+ struct drm_i915_mocs_table table;
+ struct drm_i915_mocs_table *mocs;
+ struct drm_i915_mocs_table *l3cc;
struct i915_vma *scratch;
void *vaddr;
};
static int live_mocs_init(struct live_mocs *arg, struct intel_gt *gt)
{
- struct drm_i915_mocs_table table;
unsigned int flags;
int err;
memset(arg, 0, sizeof(*arg));
- flags = get_mocs_settings(gt->i915, &table);
+ flags = get_mocs_settings(gt->i915, &arg->table);
if (!flags)
return -EINVAL;
if (flags & HAS_RENDER_L3CC)
- arg->l3cc = table;
+ arg->l3cc = &arg->table;
if (flags & (HAS_GLOBAL_MOCS | HAS_ENGINE_MOCS))
- arg->mocs = table;
+ arg->mocs = &arg->table;
arg->scratch = __vm_create_scratch_for_read(>->ggtt->vm, PAGE_SIZE);
if (IS_ERR(arg->scratch))
{
u32 addr;
+ if (!table)
+ return 0;
+
if (HAS_GLOBAL_MOCS_REGISTERS(rq->engine->i915))
addr = global_mocs_offset();
else
{
u32 addr = i915_mmio_reg_offset(GEN9_LNCFCMOCS(0));
+ if (!table)
+ return 0;
+
return read_regs(rq, addr, (table->n_entries + 1) / 2, offset);
}
unsigned int i;
u32 expect;
+ if (!table)
+ return 0;
+
for_each_mocs(expect, table, i) {
if (**vaddr != expect) {
pr_err("%s: Invalid MOCS[%d] entry, found %08x, expected %08x\n",
unsigned int i;
u32 expect;
+ if (!table)
+ return 0;
+
for_each_l3cc(expect, table, i) {
if (!mcr_range(engine->i915, reg) && **vaddr != expect) {
pr_err("%s: Invalid L3CC[%d] entry, found %08x, expected %08x\n",
/* Read the mocs tables back using SRM */
offset = i915_ggtt_offset(vma);
if (!err)
- err = read_mocs_table(rq, &arg->mocs, &offset);
+ err = read_mocs_table(rq, arg->mocs, &offset);
if (!err && ce->engine->class == RENDER_CLASS)
- err = read_l3cc_table(rq, &arg->l3cc, &offset);
+ err = read_l3cc_table(rq, arg->l3cc, &offset);
offset -= i915_ggtt_offset(vma);
GEM_BUG_ON(offset > PAGE_SIZE);
/* Compare the results against the expected tables */
vaddr = arg->vaddr;
if (!err)
- err = check_mocs_table(ce->engine, &arg->mocs, &vaddr);
+ err = check_mocs_table(ce->engine, arg->mocs, &vaddr);
if (!err && ce->engine->class == RENDER_CLASS)
- err = check_l3cc_table(ce->engine, &arg->l3cc, &vaddr);
+ err = check_l3cc_table(ce->engine, arg->l3cc, &vaddr);
if (err)
return err;