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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-19 05:03:43 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-21 12:53:52 +0300 |
| commit | a4d86249c7735b964ae812b803b828f2651b13b6 (patch) | |
| tree | d8b86ce60ac46dcc87d03b2fa5cefa679e957523 /drivers/gpu/drm/i915/gt/selftest_workarounds.c | |
| parent | a0d3fdb628b83e3a24acbf6915ede9359a1ecc2b (diff) | |
| download | linux-a4d86249c7735b964ae812b803b828f2651b13b6.tar.xz | |
drm/i915/gt: Provide a utility to create a scratch buffer
Primarily used by selftests, but also by runtime debugging of engine
w/a, is a routine to create a temporarily bound buffer for readback.
Almagamate the duplicated routines into one.
Suggested-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201219020343.22681-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_workarounds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_workarounds.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index 703b77207a47..2070b91cb607 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -486,10 +486,11 @@ static int check_dirty_whitelist(struct intel_context *ce) struct intel_engine_cs *engine = ce->engine; struct i915_vma *scratch; struct i915_vma *batch; - int err = 0, i, v; + int err = 0, i, v, sz; u32 *cs, *results; - scratch = create_scratch(ce->vm, 2 * ARRAY_SIZE(values) + 1); + sz = (2 * ARRAY_SIZE(values) + 1) * sizeof(u32); + scratch = __vm_create_scratch_for_read(ce->vm, sz); if (IS_ERR(scratch)) return PTR_ERR(scratch); @@ -1028,13 +1029,15 @@ static int live_isolated_whitelist(void *arg) return 0; for (i = 0; i < ARRAY_SIZE(client); i++) { - client[i].scratch[0] = create_scratch(gt->vm, 1024); + client[i].scratch[0] = + __vm_create_scratch_for_read(gt->vm, 4096); if (IS_ERR(client[i].scratch[0])) { err = PTR_ERR(client[i].scratch[0]); goto err; } - client[i].scratch[1] = create_scratch(gt->vm, 1024); + client[i].scratch[1] = + __vm_create_scratch_for_read(gt->vm, 4096); if (IS_ERR(client[i].scratch[1])) { err = PTR_ERR(client[i].scratch[1]); i915_vma_unpin_and_release(&client[i].scratch[0], 0); |