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authorDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
committerDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
commit05ea893c46805b2981ea8ba6df881e3d65edd63b (patch)
treeea381e22d99f49bd2c95238f88491d48b797a17b /drivers/cpufreq/cpufreq_conservative.c
parent26481fb15644b5fd85d4cea020f74a234cdf6803 (diff)
parenta7c542782e92f9487c62a571565637be3d6b0ffd (diff)
Merge remote branch 'anholt/drm-intel-next' into drm-next
* anholt/drm-intel-next: (515 commits) drm/i915: Fix out of tree builds drm/i915: move fence lru to struct drm_i915_fence_reg drm/i915: don't allow tiling changes on pinned buffers v2 drm/i915: Be extra careful about A/D matching for multifunction SDVO drm/i915: Fix DDC bus selection for multifunction SDVO drm/i915: cleanup mode setting before unmapping registers drm/i915: Make fbc control wrapper functions drm/i915: Wait for the GPU whilst shrinking, if truly desperate. drm/i915: Use spatio-temporal dithering on PCH [MTD] Remove zero-length files mtdbdi.c and internal.ho pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDs libata: Fix several inaccuracies in developer's guide slub: Fix bad boundary check in init_kmem_cache_nodes() raid6: fix recovery performance regression KEYS: call_sbin_request_key() must write lock keyrings before modifying them KEYS: Use RCU dereference wrappers in keyring key type code KEYS: find_keyring_by_name() can gain access to a freed keyring ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice) ALSA: hda - Add quirk for Dell Inspiron 19T using a Conexant CX20582 ALSA: take tu->qlock with irqs disabled ...
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 599a40b25cb..3a147874a46 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -444,6 +444,7 @@ static struct attribute_group dbs_attr_group_old = {
static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
{
unsigned int load = 0;
+ unsigned int max_load = 0;
unsigned int freq_target;
struct cpufreq_policy *policy;
@@ -501,6 +502,9 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
continue;
load = 100 * (wall_time - idle_time) / wall_time;
+
+ if (load > max_load)
+ max_load = load;
}
/*
@@ -511,7 +515,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
return;
/* Check for frequency increase */
- if (load > dbs_tuners_ins.up_threshold) {
+ if (max_load > dbs_tuners_ins.up_threshold) {
this_dbs_info->down_skip = 0;
/* if we are already at full speed then break out early */
@@ -538,7 +542,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
* can support the current CPU usage without triggering the up
* policy. To be safe, we focus 10 points under the threshold.
*/
- if (load < (dbs_tuners_ins.down_threshold - 10)) {
+ if (max_load < (dbs_tuners_ins.down_threshold - 10)) {
freq_target = (dbs_tuners_ins.freq_step * policy->max) / 100;
this_dbs_info->requested_freq -= freq_target;