summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/vc4/kernel
diff options
context:
space:
mode:
authorEric Anholt <[email protected]>2014-10-17 12:14:11 +0100
committerEric Anholt <[email protected]>2014-10-17 13:09:29 +0100
commit1f7048419ed6ad4d25e89efa885fdc58d36c4213 (patch)
tree7a0e5a75be724f3c6147917f4f54043cca318594 /src/gallium/drivers/vc4/kernel
parentafc3aa373d45775d08babffa49b566f952689efc (diff)
vc4: Fix accidental dropping of the low bits of the store tilebuffer packet.
Notably this included the EOF flag (the other bits are the full buffer dump selection, but we don't do full dumps), which caused the kernel checking for frame completion to trigger.
Diffstat (limited to 'src/gallium/drivers/vc4/kernel')
-rw-r--r--src/gallium/drivers/vc4/kernel/vc4_validate.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/drivers/vc4/kernel/vc4_validate.c b/src/gallium/drivers/vc4/kernel/vc4_validate.c
index fe2cd44d8e7..86b8fa5069a 100644
--- a/src/gallium/drivers/vc4/kernel/vc4_validate.c
+++ b/src/gallium/drivers/vc4/kernel/vc4_validate.c
@@ -268,7 +268,7 @@ validate_loadstore_tile_buffer_general(VALIDATE_ARGS)
uint32_t packet_b1 = *(uint8_t *)(untrusted + 1);
struct drm_gem_cma_object *fbo;
uint32_t buffer_type = packet_b0 & 0xf;
- uint32_t offset, cpp;
+ uint32_t untrusted_address, offset, cpp;
switch (buffer_type) {
case VC4_LOADSTORE_TILE_BUFFER_NONE:
@@ -295,7 +295,8 @@ validate_loadstore_tile_buffer_general(VALIDATE_ARGS)
if (!vc4_use_handle(exec, 0, VC4_MODE_RENDER, &fbo))
return -EINVAL;
- offset = *(uint32_t *)(untrusted + 2) & ~0xf;
+ untrusted_address = *(uint32_t *)(untrusted + 2);
+ offset = untrusted_address & ~0xf;
if (!check_tex_size(exec, fbo, offset,
((packet_b0 &
@@ -305,7 +306,8 @@ validate_loadstore_tile_buffer_general(VALIDATE_ARGS)
return -EINVAL;
}
- *(uint32_t *)(validated + 2) = offset + fbo->paddr;
+ *(uint32_t *)(validated + 2) = (offset + fbo->paddr +
+ (untrusted_address & 0xf));
return 0;
}