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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-08-27 19:45:38 +0200
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-08-27 19:45:38 +0200
commitac26b51503dfedf422d6ae49518adcf41dff1af3 (patch)
tree770eb8886ed6f9f0726ae49f281a60edc9f1ee8f /linux-core/drmP.h
parent4fa58aa15242333a635cb590762c6e6312945745 (diff)
Have TTM create and reference ioctl call return the actual TTM size.
Diffstat (limited to 'linux-core/drmP.h')
-rw-r--r--linux-core/drmP.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 43589342..d7494c23 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -1363,14 +1363,23 @@ extern int drm_bo_ioctl(DRM_IOCTL_ARGS);
static __inline__ unsigned long combine_64(uint32_t lo, uint32_t hi)
{
unsigned long ret = lo;
-
- if (sizeof(ret) > 4) {
- int shift = 32;
- lo |= (hi << shift);
- }
+#if (BITS_PER_LONG == 64)
+ ret |= (hi << 32);
+#endif
return ret;
}
+static __inline__ void split_32(unsigned long val, uint32_t *lo, uint32_t *hi)
+{
+ *lo = val & 0xFFFFFFFFUL;
+#if (BITS_PER_LONG == 64)
+ *hi = val >> 32;
+#else
+ *hi = 0;
+#endif
+}
+
+
/* Inline replacements for DRM_IOREMAP macros */
static __inline__ void drm_core_ioremap(struct drm_map *map,
struct drm_device *dev)