This is a note to let you know that I've just added the patch titled
drm/radeon: don't reset sdma on CIK init
to the 3.14-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-don-t-reset-sdma-on-cik-init.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 799028d5d85384cce140323be633c8d5f079193f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Thu, 18 Sep 2014 10:18:43 -0400
Subject: drm/radeon: don't reset sdma on CIK init
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From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 799028d5d85384cce140323be633c8d5f079193f upstream.
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/cik_sdma.c | 7 -------
1 file changed, 7 deletions(-)
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -461,13 +461,6 @@ int cik_sdma_resume(struct radeon_device
{
int r;
- /* Reset dma */
- WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1);
- RREG32(SRBM_SOFT_RESET);
- udelay(50);
- WREG32(SRBM_SOFT_RESET, 0);
- RREG32(SRBM_SOFT_RESET);
-
r = cik_sdma_load_microcode(rdev);
if (r)
return r;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.14/drm-radeon-tweak-accel_working2-query-for-hawaii.patch
queue-3.14/drm-radeon-atom-add-new-voltage-fetch-function-for-hawaii.patch
queue-3.14/drm-radeon-don-t-reset-dma-on-ni-si-init.patch
queue-3.14/drm-radeon-don-t-reset-sdma-on-cik-init.patch
queue-3.14/drm-radeon-enable-bapm-by-default-on-desktop-tn-rl-boards.patch
queue-3.14/drm-radeon-fix-pm-handling-in-radeon_gpu_reset.patch
queue-3.14/drm-radeon-fix-semaphore-value-init.patch
queue-3.14/drm-radeon-add-missing-lines-to-ci_set_thermal_temperature_range.patch
queue-3.14/drm-radeon-dpm-handle-voltage-info-fetching-on-hawaii.patch
queue-3.14/drm-radeon-re-enable-dpm-by-default-on-btc.patch
queue-3.14/drm-radeon-tn-only-enable-bapm-on-msi-systems.patch
queue-3.14/drm-radeon-re-enable-dpm-by-default-on-cayman.patch
queue-3.14/drm-radeon-set-vm-base-addr-using-the-pfp-v2.patch
queue-3.14/drm-radeon-add-connector-quirk-for-fujitsu-board.patch
queue-3.14/drm-radeon-add-ability-to-get-and-change-dpm-state-when-radeon-px-card-is-turned-off.patch
queue-3.14/drm-radeon-cik-use-a-separate-counter-for-cp-init-timeout.patch
queue-3.14/drm-radeon-load-the-lm63-driver-for-an-lm64-thermal-chip.patch
queue-3.14/drm-radeon-dpm-set-the-thermal-type-properly-for-special-configs.patch
queue-3.14/drm-radeon-don-t-reset-dma-on-r6xx-evergreen-init.patch
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