We can only map at page aligned offsets. We got that wrong with buffer size where (size % 4096) != 0 (anv has a WA buffer of 1024).
Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com> --- src/intel/tools/intel_sanitize_gpu.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/intel/tools/intel_sanitize_gpu.c b/src/intel/tools/intel_sanitize_gpu.c index 9b49b0bbf22..4f1a2d2ead5 100644 --- a/src/intel/tools/intel_sanitize_gpu.c +++ b/src/intel/tools/intel_sanitize_gpu.c @@ -39,6 +39,7 @@ #include <i915_drm.h> #include "util/hash_table.h" +#include "util/u_math.h" #define INTEL_LOG_TAG "INTEL-SANITIZE-GPU" #include "common/intel_log.h" @@ -165,7 +166,7 @@ padding_is_good(int fd, uint32_t handle) { struct drm_i915_gem_mmap mmap_arg = { .handle = handle, - .offset = bo_size(fd, handle), + .offset = align64(bo_size(fd, handle), 4096), .size = PADDING_SIZE, .flags = 0, }; @@ -207,9 +208,11 @@ padding_is_good(int fd, uint32_t handle) static int create_with_padding(int fd, struct drm_i915_gem_create *create) { - create->size += PADDING_SIZE; + uint64_t original_size = create->size; + + create->size = align64(original_size, 4096) + PADDING_SIZE; int ret = libc_ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, create); - create->size -= PADDING_SIZE; + create->size = original_size; if (ret != 0) return ret; @@ -217,7 +220,7 @@ create_with_padding(int fd, struct drm_i915_gem_create *create) uint8_t *noise_values; struct drm_i915_gem_mmap mmap_arg = { .handle = create->handle, - .offset = create->size, + .offset = align64(create->size, 4096), .size = PADDING_SIZE, .flags = 0, }; -- 2.19.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev