This is a note to let you know that I've just added the patch titled
drm/radeon: dpm fixes for asrock systems
to the 3.17-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-dpm-fixes-for-asrock-systems.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 72b3f9183ed57e4a2f0601a1c25ae2fd39855952 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Sun, 26 Oct 2014 15:10:21 -0400
Subject: drm/radeon: dpm fixes for asrock systems
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 72b3f9183ed57e4a2f0601a1c25ae2fd39855952 upstream.
- bapm seems to cause CPU stuck messages so disable it.
- nb dpm seems to prevent GPU dpm from getting enabled, so
disable it.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=85107
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/kv_dpm.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -2725,7 +2725,11 @@ int kv_dpm_init(struct radeon_device *rd
pi->sram_end = SMC_RAM_END;
- pi->enable_nb_dpm = true;
+ /* Enabling nb dpm on an asrock system prevents dpm from working */
+ if (rdev->pdev->subsystem_vendor == 0x1849)
+ pi->enable_nb_dpm = false;
+ else
+ pi->enable_nb_dpm = true;
pi->caps_power_containment = true;
pi->caps_cac = true;
@@ -2740,10 +2744,19 @@ int kv_dpm_init(struct radeon_device *rd
pi->caps_sclk_ds = true;
pi->enable_auto_thermal_throttling = true;
pi->disable_nb_ps3_in_battery = false;
- if (radeon_bapm == 0)
+ if (radeon_bapm == -1) {
+ /* There are stability issues reported on with
+ * bapm enabled on an asrock system.
+ */
+ if (rdev->pdev->subsystem_vendor == 0x1849)
+ pi->bapm_enable = false;
+ else
+ pi->bapm_enable = true;
+ } else if (radeon_bapm == 0) {
pi->bapm_enable = false;
- else
+ } else {
pi->bapm_enable = true;
+ }
pi->voltage_drop_t = 0;
pi->caps_sclk_throttle_low_notification = false;
pi->caps_fps = false; /* true? */
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.17/drm-radeon-use-drm_malloc_ab-instead-of-kmalloc_array.patch
queue-3.17/drm-radeon-use-gart-memory-for-dma-ring-tests.patch
queue-3.17/drm-radeon-remove-invalid-pci-id.patch
queue-3.17/drm-radeon-fix-speaker-allocation-setup.patch
queue-3.17/drm-radeon-dpm-fixes-for-asrock-systems.patch
queue-3.17/drm-radeon-fix-vm-page-table-block-size-calculation.patch
queue-3.17/drm-radeon-dpm-disable-ulv-support-on-si.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html