From: Owain Ainsworth <[email protected]>
This should be drmCommandWriteRead to avoid an EINVAL error on systems
that strictly check ioctl args. This command has been r/w for ever.
Discussion with airlied agreed that this was the correct course.
---
src/mesa/drivers/dri/radeon/radeon_cs_legacy.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c
b/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c
index cc951a1..c2722a4 100644
--- a/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c
+++ b/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c
@@ -326,7 +326,7 @@ static int cs_emit(struct radeon_cs_int *cs)
(!IS_R600_CLASS(csm->ctx->radeonScreen))) { /* +r6/r7 : No irq for
r6/r7 yet. */
drm_radeon_irq_emit_t emit_cmd;
emit_cmd.irq_seq = (int*)&csm->pending_age;
- r = drmCommandWrite(cs->csm->fd, DRM_RADEON_IRQ_EMIT, &emit_cmd,
sizeof(emit_cmd));
+ r = drmCommandWriteRead(cs->csm->fd, DRM_RADEON_IRQ_EMIT, &emit_cmd,
sizeof(emit_cmd));
if (r) {
return r;
}
--
1.6.5.7
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