This is a note to let you know that I've just added the patch titled
drm/radeon: fix amd afusion gpu setup aka sumo v2
to the 3.4-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-fix-amd-afusion-gpu-setup-aka-sumo-v2.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 61252278ee286b891e23dc0009aed1a9da1f0b0e Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@xxxxxxxxxx>
Date: Tue, 11 Dec 2012 11:56:52 -0500
Subject: drm/radeon: fix amd afusion gpu setup aka sumo v2
From: Jerome Glisse <jglisse@xxxxxxxxxx>
commit bd25f0783dc3fb72e1e2779c2b99b2d34b67fa8a upstream.
Set the proper number of tile pipe that should be a multiple of
pipe depending on the number of se engine.
Fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56405
https://bugs.freedesktop.org/show_bug.cgi?id=56720
v2: Don't change sumo2
Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
[bwh: Backported to 3.2: don't define/use *_GB_ADDR_CONFIG_GOLDEN]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Weng Meiling <wengmeiling.weng@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/evergreen.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1874,7 +1874,7 @@ static void evergreen_gpu_init(struct ra
case CHIP_SUMO:
rdev->config.evergreen.num_ses = 1;
rdev->config.evergreen.max_pipes = 4;
- rdev->config.evergreen.max_tile_pipes = 2;
+ rdev->config.evergreen.max_tile_pipes = 4;
if (rdev->pdev->device == 0x9648)
rdev->config.evergreen.max_simds = 3;
else if ((rdev->pdev->device == 0x9647) ||
@@ -1963,7 +1963,7 @@ static void evergreen_gpu_init(struct ra
break;
case CHIP_CAICOS:
rdev->config.evergreen.num_ses = 1;
- rdev->config.evergreen.max_pipes = 4;
+ rdev->config.evergreen.max_pipes = 2;
rdev->config.evergreen.max_tile_pipes = 2;
rdev->config.evergreen.max_simds = 2;
rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
Patches currently in stable-queue which might be from jglisse@xxxxxxxxxx are
queue-3.4/drm-radeon-fix-amd-afusion-gpu-setup-aka-sumo-v2.patch
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