This is a note to let you know that I've just added the patch titled
drm/radeon: Changing number of compute pipe lines
to the 3.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-changing-number-of-compute-pipe-lines.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e405ca3a1bf166f741506c07c2a277b5d48af8f7 Mon Sep 17 00:00:00 2001
From: Ben Goz <ben.goz@xxxxxxx>
Date: Sun, 8 Mar 2015 14:15:16 +0200
Subject: drm/radeon: Changing number of compute pipe lines
From: Ben Goz <ben.goz@xxxxxxx>
commit e405ca3a1bf166f741506c07c2a277b5d48af8f7 upstream.
The current CP firmware can handle Usermode Queues only on MEC1.
To reflect this firmware change, this commit reduces number of compute pipelines
to 4 - 1, from 8 - 1 (the first pipeline is allocated for kgd).
Signed-off-by: Ben Goz <ben.goz@xxxxxxx>
Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_kfd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -152,7 +152,7 @@ void radeon_kfd_device_init(struct radeo
.compute_vmid_bitmap = 0xFF00,
.first_compute_pipe = 1,
- .compute_pipe_count = 8 - 1,
+ .compute_pipe_count = 4 - 1,
};
radeon_doorbell_get_kfd_info(rdev,
Patches currently in stable-queue which might be from ben.goz@xxxxxxx are
queue-3.19/drm-radeon-changing-number-of-compute-pipe-lines.patch
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