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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-15 19:51:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-15 19:51:15 -0800
commit76212a840f6edc2b89865f09464f3bd90125896d (patch)
tree958596e5cb3dfa872e8c666aecdf99809ede1148
parente04984c8394b17bab85c28956ada6aba81cdf746 (diff)
parente803e8b2628f3e9a42f45c5b7bb1f9821b08352c (diff)
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Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: make sure retry count increases. drm/radeon/kms/atom: use get_unaligned_le32() for ctx->ps drm/ttm: Fix a bug occuring when validating a buffer object in a range. drm: Fix a bug in the range manager.
-rw-r--r--drivers/gpu/drm/drm_mm.c3
-rw-r--r--drivers/gpu/drm/radeon/atom.c5
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c2
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c6
4 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index cdec32977129..2ac074c8f5d2 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -405,7 +405,8 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm,
wasted += alignment - tmp;
}
- if (entry->size >= size + wasted) {
+ if (entry->size >= size + wasted &&
+ (entry->start + wasted + size) <= end) {
if (!best_match)
return entry;
if (entry->size < best_size) {
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index e3b44562d265..2a3df5599ab4 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;
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index b32eeea5bb8b..99915a682d59 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -350,7 +350,7 @@ retry:
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (args.ucReplyStatus && !args.ucDataOutLen) {
- if (args.ucReplyStatus == 0x20 && retry_count < 10)
+ if (args.ucReplyStatus == 0x20 && retry_count++ < 10)
goto retry;
DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n",
req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3],
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 1a3e909b7bba..c7320ce4567d 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1020,6 +1020,12 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement,
struct ttm_mem_reg *mem)
{
int i;
+ struct drm_mm_node *node = mem->mm_node;
+
+ if (node && placement->lpfn != 0 &&
+ (node->start < placement->fpfn ||
+ node->start + node->size > placement->lpfn))
+ return -1;
for (i = 0; i < placement->num_placement; i++) {
if ((placement->placement[i] & mem->placement &