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i965: Extend the negative 32-bit deltas to 64-bits 

Gen8+ use 48-bit address relocations so need to extend the sign
to 64-bit return value. Without it we have higher bits zeroed
and missing the negavive values.
Haswell and older use 32-bit deltas so are unaffected by this issue.

v2:
  used int32_t fucntion parameter instead of explicit type conversion.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101408
Signed-off-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
Tested-by: Andriy Khulap <andriy.khulap@globallogic.com>
Tested-by: Stuart Young <cefiar@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: "18.0 17.3" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Sergii Romantsov 2018-04-02 09:59:06 +03:00 committed by Kenneth Graunke
parent 800df942ea
commit 98b860e311
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/intel_batchbuffer.c
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@ -1079,7 +1079,7 @@ brw_batch_references(struct intel_batchbuffer *batch, struct brw_bo *bo)
static uint64_t
emit_reloc(struct intel_batchbuffer *batch,
struct brw_reloc_list *rlist, uint32_t offset,
struct brw_bo *target, uint32_t target_offset,
struct brw_bo *target, int32_t target_offset,
unsigned int reloc_flags)
{
assert(target != NULL);