kernel/linux.git/drivers/gpu/drm/tests/drm_exec_test.c, branch v6.6.132

drm/test: drm_exec: fix memory leak on object prepare

2023-08-10T07:01:00+00:00

drm_exec_prepare_obj() and drm_exec_prepare_array() both reserve dma-fence slots and hence a dma_resv_list without ever freeing it. Make sure to call drm_gem_private_object_fini() for each GEM object passed to drm_exec_prepare_obj()/drm_exec_prepare_array() throughout the test to fix this up. While at it, remove some trailing empty lines. Fixes: 9710631cc8f3 ("drm: add drm_exec selftests v4") Signed-off-by: Danilo Krummrich Reviewed-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20230809225034.8803-1-dakr@redhat.com Signed-off-by: Christian König

drm/exec: add test case for using a drm_exec multiple times

2023-08-10T06:38:57+00:00

Not really a common use case, but let's make sure that we don't accidentially break that somehow. CC: Boris Brezillon Signed-off-by: Christian König Reviewed-by: Boris Brezillon Signed-off-by: Boris Brezillon Link: https://patchwork.freedesktop.org/patch/msgid/20230731123625.3766-2-christian.koenig@amd.com

drm/tests: Alloc drm_device on drm_exec tests

2023-08-01T07:30:13+00:00

The drm_exec tests where crashing[0] because of a null dereference. This is caused by a new access of the `driver` attribute of `struct drm_driver` on drm_gem_private_object_init(). Alloc the drm_device to fix that. [0] [15:05:24] ================== drm_exec (6 subtests) =================== [15:05:24] [PASSED] sanitycheck ^CERROR:root:Build interruption occurred. Cleaning console. [15:05:50] [ERROR] Test: drm_exec: missing expected subtest! [15:05:50] BUG: kernel NULL pointer dereference, address: 00000000000000b0 [15:05:50] #PF: supervisor read access in kernel mode [15:05:50] #PF: error_code(0x0000) - not-present page [15:05:50] PGD 0 P4D 0 [15:05:50] Oops: 0000 [#1] PREEMPT NOPTI [15:05:50] CPU: 0 PID: 23 Comm: kunit_try_catch Tainted: G N 6.4.0-rc7-02032-ge6303f323b1a #69 [15:05:50] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc37 04/01/2014 [15:05:50] RIP: 0010:drm_gem_private_object_init+0x60/0xc0 Fixes: e6303f323b1a ("drm: manager to keep track of GPUs VA mappings") Signed-off-by: Arthur Grillo Tested-by: Danilo Krummrich Acked-by: Danilo Krummrich Reviewed-by: Maíra Canal Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20230731182241.240556-1-arthurgrillo@riseup.net

drm: add drm_exec selftests v4

2023-07-12T12:14:23+00:00

Exercise at least all driver facing functions of this new component. v2: add array test as well v3: some kunit cleanups v4: more tests and cleanups Signed-off-by: Christian König Acked-by: Alex Deucher Link: https://patchwork.freedesktop.org/patch/msgid/20230711133122.3710-3-christian.koenig@amd.com