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tests/pm_rpm: add gem-evict-pwrite subtest

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This triggers a device suspended WARN in the kernel in
gen6_ggtt_insert_entries() while calling the GEM pwrite ioctl.

The sequence is suggested by Daniel.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2014-11-13 13:33:54 +02:00
parent f12ed83058
commit b35b1505f7
2 changed files with 28 additions and 0 deletions
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3
lib/igt_aux.h
View File

@ -31,6 +31,9 @@
#include <intel_bufmgr.h>
#include <stdbool.h>
extern drm_intel_bo **trash_bos;
extern int num_trash_bos;
/* auxialiary igt helpers from igt_aux.c */
/* generally useful helpers */
void igt_fork_signal_helper(void);

25
tests/pm_rpm.c
View File

@ -1319,6 +1319,29 @@ static void gem_idle_subtest(void)
gem_quiescent_gpu(drm_fd);
}
static void gem_evict_pwrite_subtest(void)
{
static drm_intel_bufmgr *bufmgr;
uint32_t buf;
int i;
bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096);
igt_assert(bufmgr);
igt_init_aperture_trashers(bufmgr);
igt_trash_aperture();
disable_or_dpms_all_screens_and_wait(&ms_data, true);
igt_assert(wait_for_suspended());
buf = 0;
for (i = 0; i < num_trash_bos; i++)
gem_write(drm_fd, trash_bos[i]->handle, 0, &buf, sizeof(buf));
igt_cleanup_aperture_trashers();
drm_intel_bufmgr_destroy(bufmgr);
}
/* This also triggered WARNs on dmesg at some point. */
static void reg_read_ioctl_subtest(void)
{
@ -1830,6 +1853,8 @@ int main(int argc, char *argv[])
gem_execbuf_subtest();
igt_subtest("gem-idle")
gem_idle_subtest();
igt_subtest("gem-evict-pwrite")
gem_evict_pwrite_subtest();
/* Planes and cursors */
igt_subtest("cursor")