Ok, so count was variable, how about something like this. By my back of
the paper calcs this should reduce it from 408 bytes to 272 bytes.
---
drivers/gpu/drm/selftests/test-drm_mm.c | 42 ++++++++++++-------------
1 file changed, 20 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/selftests/test-drm_mm.c b/drivers/gpu/drm/selftests/test-drm_mm.c
index 9aabe82dcd3a..fa643cc54b0b 100644
--- a/drivers/gpu/drm/selftests/test-drm_mm.c
+++ b/drivers/gpu/drm/selftests/test-drm_mm.c
@@ -323,32 +323,30 @@ static bool expect_reserve_fail(struct drm_mm *mm, struct drm_mm_node *node)
return false;
}
-static bool check_reserve_boundaries(struct drm_mm *mm,
- unsigned int count,
- u64 size)
+static bool check_reserve_boundaries(struct drm_mm *mm, int count, u64 size)
{
const struct boundary {
- u64 start, size;
+ int start, size;
const char *name;
} boundaries[] = {
#define B(st, sz) { (st), (sz), "{ " #st ", " #sz "}" }
B(0, 0),
- B(-size, 0),
- B(size, 0),
- B(size * count, 0),
- B(-size, size),
- B(-size, -size),
- B(-size, 2*size),
- B(0, -size),
- B(size, -size),
- B(count*size, size),
- B(count*size, -size),
- B(count*size, count*size),
- B(count*size, -count*size),
- B(count*size, -(count+1)*size),
- B((count+1)*size, size),
- B((count+1)*size, -size),
- B((count+1)*size, -2*size),
+ B(-1, 0),
+ B(1, 0),
+ B(count, 0),
+ B(-1, 1),
+ B(-1, -1),
+ B(-1, 2),
+ B(0, -1),
+ B(1, -1),
+ B(count, 1),
+ B(count, -1),
+ B(count, count),
+ B(count, -count),
+ B(count, -(count + 1)),
+ B(count + 1, 1),
+ B(count + 1, -1),
+ B(count + 1, -2),
#undef B
};
struct drm_mm_node tmp = {};
@@ -357,8 +355,8 @@ static bool check_reserve_boundaries(struct drm_mm *mm,
for (n = 0; n < ARRAY_SIZE(boundaries); n++) {
if (!expect_reserve_fail(mm,
set_node(&tmp,
- boundaries[n].start,
- boundaries[n].size))) {
+ boundaries[n].start * size,
+ boundaries[n].size * size))) {
pr_err("boundary[%d:%s] failed, count=%u, size=%lld\n",
n, boundaries[n].name, count, size);
return false;
--
2.27.0.rc2
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