diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2019-10-25 16:37:22 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-25 22:55:31 +0100 |
| commit | b908be543e4441476916f2ae36cebc95cb187436 (patch) | |
| tree | 601f8731b32a4022b09070583ffd4806c583682c /drivers/gpu/drm/i915/selftests | |
| parent | 7be8782a502fdb60e1f99c82a8d6b3015a2a6bc4 (diff) | |
| download | linux-stable-b908be543e4441476916f2ae36cebc95cb187436.tar.gz linux-stable-b908be543e4441476916f2ae36cebc95cb187436.tar.bz2 linux-stable-b908be543e4441476916f2ae36cebc95cb187436.zip | |
drm/i915: support creating LMEM objects
We currently define LMEM, or local memory, as just another memory
region, like system memory or stolen, which we can expose to userspace
and can be mapped to the CPU via some BAR.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191025153728.23689-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_live_selftests.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/intel_memory_region.c | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index 00a063730bc3..4b3cac73e291 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -33,6 +33,7 @@ selftest(gem_contexts, i915_gem_context_live_selftests) selftest(blt, i915_gem_object_blt_live_selftests) selftest(client, i915_gem_client_blt_live_selftests) selftest(reset, intel_reset_live_selftests) +selftest(memory_region, intel_memory_region_live_selftests) selftest(hangcheck, intel_hangcheck_live_selftests) selftest(execlists, intel_execlists_live_selftests) selftest(guc, intel_guc_live_selftest) diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index 56091e7e599e..617a35cfac2f 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -11,8 +11,10 @@ #include "mock_gem_device.h" #include "mock_region.h" +#include "gem/i915_gem_lmem.h" #include "gem/i915_gem_region.h" #include "gem/selftests/mock_context.h" +#include "gt/intel_gt.h" #include "selftests/i915_random.h" static void close_objects(struct intel_memory_region *mem, @@ -252,6 +254,27 @@ err_close_objects: return err; } +static int igt_lmem_create(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct drm_i915_gem_object *obj; + int err = 0; + + obj = i915_gem_object_create_lmem(i915, PAGE_SIZE, 0); + if (IS_ERR(obj)) + return PTR_ERR(obj); + + err = i915_gem_object_pin_pages(obj); + if (err) + goto out_put; + + i915_gem_object_unpin_pages(obj); +out_put: + i915_gem_object_put(obj); + + return err; +} + int intel_memory_region_mock_selftests(void) { static const struct i915_subtest tests[] = { @@ -280,3 +303,20 @@ out_unref: drm_dev_put(&i915->drm); return err; } + +int intel_memory_region_live_selftests(struct drm_i915_private *i915) +{ + static const struct i915_subtest tests[] = { + SUBTEST(igt_lmem_create), + }; + + if (!HAS_LMEM(i915)) { + pr_info("device lacks LMEM support, skipping\n"); + return 0; + } + + if (intel_gt_is_wedged(&i915->gt)) + return 0; + + return i915_live_subtests(tests, i915); +} |