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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.
This commit is contained in:
Linus Torvalds 2010-02-15 19:51:15 -08:00
parent e04984c839 e803e8b262
commit 76212a840f
4 changed files with 13 additions and 3 deletions
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3
drivers/gpu/drm/drm_mm.c
View File

@ -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) {

5
drivers/gpu/drm/radeon/atom.c
View File

@ -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;

2
drivers/gpu/drm/radeon/atombios_dp.c
View File

@ -350,7 +350,7 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes,
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],

6
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -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 &