diff options
| -rw-r--r-- | drivers/gpu/drm/drm_cache.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index 9a62d7a53553..6743ff7dccfa 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -130,11 +130,12 @@ drm_clflush_virt_range(void *addr, unsigned long length) { #if defined(CONFIG_X86) if (cpu_has_clflush) { + const int size = boot_cpu_data.x86_clflush_size; void *end = addr + length; + addr = (void *)(((unsigned long)addr) & -size); mb(); - for (; addr < end; addr += boot_cpu_data.x86_clflush_size) + for (; addr < end; addr += size) clflushopt(addr); - clflushopt(end - 1); mb(); return; } |