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Diffstat (limited to 'drivers/gpu/drm/radeon/atom.c')
-rw-r--r--drivers/gpu/drm/radeon/atom.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index e3b44562d26..7f152f66f19 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/sched.h>
+#include <asm/unaligned.h>
#define ATOM_DEBUG
@@ -212,7 +213,9 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
case ATOM_ARG_PS:
idx = U8(*ptr);
(*ptr)++;
- val = le32_to_cpu(ctx->ps[idx]);
+ /* get_unaligned_le32 avoids unaligned accesses from atombios
+ * tables, noticed on a DEC Alpha. */
+ val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
if (print)
DEBUG("PS[0x%02X,0x%04X]", idx, val);
break;
@@ -640,7 +643,7 @@ static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
uint8_t count = U8((*ptr)++);
SDEBUG(" count: %d\n", count);
if (arg == ATOM_UNIT_MICROSEC)
- schedule_timeout_uninterruptible(usecs_to_jiffies(count));
+ udelay(count);
else
schedule_timeout_uninterruptible(msecs_to_jiffies(count));
}