From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Fishing for fails...
/*
mmap(2) mandates size is page aligned so check this in our wrappers.
*/
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
lib/i915/gem_mman.c | 4 ++++
tests/kms_psr.c | 8 ++++----
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c
index 3cf9a6bbdb31..084dbb3b3678 100644
--- a/lib/i915/gem_mman.c
+++ b/lib/i915/gem_mman.c
@@ -57,6 +57,8 @@ void *__gem_mmap__gtt(int fd, uint32_t handle, uint64_t size, unsigned prot)
struct drm_i915_gem_mmap_gtt mmap_arg;
void *ptr;
+ igt_assert(!(size & 4095));
+
memset(&mmap_arg, 0, sizeof(mmap_arg));
mmap_arg.handle = handle;
if (igt_ioctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg))
@@ -162,6 +164,8 @@ static void
{
struct drm_i915_gem_mmap arg;
+ igt_assert(!(size & 4095));
+
memset(&arg, 0, sizeof(arg));
arg.handle = handle;
arg.offset = offset;
diff --git a/tests/kms_psr.c b/tests/kms_psr.c
index 3e16a6bf4f37..5d3f0ed87eec 100644
--- a/tests/kms_psr.c
+++ b/tests/kms_psr.c
@@ -270,8 +270,8 @@ static void run_test(data_t *data)
expected = "GREEN";
break;
case MMAP_GTT:
- ptr = gem_mmap__gtt(data->drm_fd, handle, data->mod_size,
- PROT_WRITE);
+ ptr = gem_mmap__gtt(data->drm_fd, handle,
+ ALIGN(data->mod_size, 4096), PROT_WRITE);
gem_set_domain(data->drm_fd, handle,
I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
memset(ptr, 0xcc, data->mod_size);
@@ -279,8 +279,8 @@ static void run_test(data_t *data)
expected = "BLACK or TRANSPARENT mark on top of plane in test";
break;
case MMAP_CPU:
- ptr = gem_mmap__cpu(data->drm_fd, handle, 0, data->mod_size,
- PROT_WRITE);
+ ptr = gem_mmap__cpu(data->drm_fd, handle, 0,
+ ALIGN(data->mod_size, 4096), PROT_WRITE);
gem_set_domain(data->drm_fd, handle,
I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
memset(ptr, 0, data->mod_size);
--
2.19.1
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