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reg_read: skip older kernels

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Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Ben Widawsky 2012-07-18 11:47:42 -07:00
parent 4fe7869539
commit 58cfeabb90
1 changed files with 21 additions and 14 deletions
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35
tests/drm_reg_read.c
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@ -50,34 +50,41 @@ static void handle_bad(int ret, int lerrno, int expected, const char *desc)
}
}
static uint64_t timer_query(int fd)
{
struct local_drm_i915_reg_read read;
int ret;
read.offset = 0x2358;
ret = drmIoctl(fd, REG_READ_IOCTL, &read);
if (ret) {
perror("positive test case failed: ");
exit(EXIT_FAILURE);
}
return read.val;
}
int main(int argc, char *argv[])
{
struct local_drm_i915_reg_read read;
int ret, fd;
__u64 val;
read.offset = 0x2358;
uint64_t val;
fd = drm_open_any();
ret = drmIoctl(fd, REG_READ_IOCTL, &read);
if (ret) {
perror("positive test case failed\n");
if (ret == EINVAL)
exit(77);
else if (ret)
exit(EXIT_FAILURE);
}
val = read.val;
ret = drmIoctl(fd, REG_READ_IOCTL, &read);
if (ret) {
perror("positive test case 2 failed\n");
exit(EXIT_FAILURE);
}
if (val == read.val) {
val = timer_query(fd);
if (timer_query(fd) == val) {
fprintf(stderr, "Timer isn't moving, probably busted\n");
exit(EXIT_FAILURE);
}
/* bad reg */
read.offset = 0x12345678;
ret = drmIoctl(fd, REG_READ_IOCTL, &read);