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Merge branch 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux into drm-next 

Fixes for UMS mode which has been broken for a while plus an rn50 fix
and a dma fix.

* 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux:
  radeon/kms: fix dma relocation checking
  radeon/kms: force rn50 chip to always report connected on analog output
  drm/radeon: fix error path in kpage allocation
  drm/radeon: fix a bogus kfree
  drm/radeon: fix NULL pointer dereference in UMS mode
This commit is contained in:
Dave Airlie 2013-01-14 08:16:54 +10:00
parent 94bc70a8e7 9305ede6af
commit 7d00813f68
3 changed files with 20 additions and 9 deletions
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12
drivers/gpu/drm/radeon/r600_cs.c
View File

@ -2476,8 +2476,10 @@ static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
kfree(parser->relocs);
for (i = 0; i < parser->nchunks; i++) {
kfree(parser->chunks[i].kdata);
kfree(parser->chunks[i].kpage[0]);
kfree(parser->chunks[i].kpage[1]);
if (parser->rdev && (parser->rdev->flags & RADEON_IS_AGP)) {
kfree(parser->chunks[i].kpage[0]);
kfree(parser->chunks[i].kpage[1]);
}
}
kfree(parser->chunks);
kfree(parser->chunks_array);
@ -2561,16 +2563,16 @@ int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
struct radeon_cs_chunk *relocs_chunk;
unsigned idx;
*cs_reloc = NULL;
if (p->chunk_relocs_idx == -1) {
DRM_ERROR("No relocation chunk !\n");
return -EINVAL;
}
*cs_reloc = NULL;
relocs_chunk = &p->chunks[p->chunk_relocs_idx];
idx = p->dma_reloc_idx;
if (idx >= relocs_chunk->length_dw) {
if (idx >= p->nrelocs) {
DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
idx, relocs_chunk->length_dw);
idx, p->nrelocs);
return -EINVAL;
}
*cs_reloc = p->relocs_ptr[idx];

9
drivers/gpu/drm/radeon/radeon_cs.c
View File

@ -279,13 +279,13 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
p->chunks[p->chunk_ib_idx].length_dw);
return -EINVAL;
}
if ((p->rdev->flags & RADEON_IS_AGP)) {
if (p->rdev && (p->rdev->flags & RADEON_IS_AGP)) {
p->chunks[p->chunk_ib_idx].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL ||
p->chunks[p->chunk_ib_idx].kpage[1] == NULL) {
kfree(p->chunks[i].kpage[0]);
kfree(p->chunks[i].kpage[1]);
kfree(p->chunks[p->chunk_ib_idx].kpage[0]);
kfree(p->chunks[p->chunk_ib_idx].kpage[1]);
return -ENOMEM;
}
}
@ -583,7 +583,8 @@ static int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx)
struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
int i;
int size = PAGE_SIZE;
bool copy1 = (p->rdev->flags & RADEON_IS_AGP) ? false : true;
bool copy1 = (p->rdev && (p->rdev->flags & RADEON_IS_AGP)) ?
false : true;
for (i = ibc->last_copied_page + 1; i < pg_idx; i++) {
if (DRM_COPY_FROM_USER(p->ib.ptr + (i * (PAGE_SIZE/4)),

8
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
View File

@ -640,6 +640,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
enum drm_connector_status found = connector_status_disconnected;
bool color = true;
/* just don't bother on RN50 those chip are often connected to remoting
* console hw and often we get failure to load detect those. So to make
* everyone happy report the encoder as always connected.
*/
if (ASIC_IS_RN50(rdev)) {
return connector_status_connected;
}
/* save the regs we need */
vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);