* [PATCH] drm/radeon: add cayman VM support for append packet.
@ 2016-04-22 0:06 Dave Airlie
2016-04-22 20:38 ` Alex Deucher
0 siblings, 1 reply; 2+ messages in thread
From: Dave Airlie @ 2016-04-22 0:06 UTC (permalink / raw)
To: dri-devel
From: Dave Airlie <airlied@redhat.com>
This adds support for SET_APPEND_CNT packet3 to the VM paths.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/radeon/evergreen_cs.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 18ddd75..0d3f744 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -3483,6 +3483,27 @@ static int evergreen_vm_packet3_check(struct radeon_device *rdev,
}
}
break;
+ case PACKET3_SET_APPEND_CNT: {
+ uint32_t areg;
+ uint32_t allowed_reg_base;
+
+ if (pkt->count != 2) {
+ DRM_ERROR("bad SET_APPEND_CNT (invalid count)\n");
+ return -EINVAL;
+ }
+
+ allowed_reg_base = GDS_APPEND_COUNT_0;
+ allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
+ allowed_reg_base >>= 2;
+
+ areg = idx_value >> 16;
+ if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
+ DRM_ERROR("forbidden register for append cnt 0x%08x at %d\n",
+ areg, idx);
+ return -EINVAL;
+ }
+ break;
+ }
default:
return -EINVAL;
}
--
2.1.0
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/radeon: add cayman VM support for append packet.
2016-04-22 0:06 [PATCH] drm/radeon: add cayman VM support for append packet Dave Airlie
@ 2016-04-22 20:38 ` Alex Deucher
0 siblings, 0 replies; 2+ messages in thread
From: Alex Deucher @ 2016-04-22 20:38 UTC (permalink / raw)
To: Dave Airlie; +Cc: Maling list - DRI developers
On Thu, Apr 21, 2016 at 8:06 PM, Dave Airlie <airlied@gmail.com> wrote:
> From: Dave Airlie <airlied@redhat.com>
>
> This adds support for SET_APPEND_CNT packet3 to the VM paths.
>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
Applied. Thanks!
Alex
> ---
> drivers/gpu/drm/radeon/evergreen_cs.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
> index 18ddd75..0d3f744 100644
> --- a/drivers/gpu/drm/radeon/evergreen_cs.c
> +++ b/drivers/gpu/drm/radeon/evergreen_cs.c
> @@ -3483,6 +3483,27 @@ static int evergreen_vm_packet3_check(struct radeon_device *rdev,
> }
> }
> break;
> + case PACKET3_SET_APPEND_CNT: {
> + uint32_t areg;
> + uint32_t allowed_reg_base;
> +
> + if (pkt->count != 2) {
> + DRM_ERROR("bad SET_APPEND_CNT (invalid count)\n");
> + return -EINVAL;
> + }
> +
> + allowed_reg_base = GDS_APPEND_COUNT_0;
> + allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
> + allowed_reg_base >>= 2;
> +
> + areg = idx_value >> 16;
> + if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
> + DRM_ERROR("forbidden register for append cnt 0x%08x at %d\n",
> + areg, idx);
> + return -EINVAL;
> + }
> + break;
> + }
> default:
> return -EINVAL;
> }
> --
> 2.1.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-04-22 20:38 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-04-22 0:06 [PATCH] drm/radeon: add cayman VM support for append packet Dave Airlie
2016-04-22 20:38 ` Alex Deucher
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.