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drm/i915: fix lookup_power_well for power wells without any domain
author
Imre Deak
<imre.deak@intel.com>
Wed, 4 Nov 2015 17:24:11 +0000
(19:24 +0200)
committer
Imre Deak
<imre.deak@intel.com>
Tue, 17 Nov 2015 17:45:58 +0000
(19:45 +0200)
The current lookup code wouldn't find a power well if it's not in any
power domain. There wasn't any power wells before but an upcoming patch
will detach the power domains from power well#1 and the MISC IO power
wells, so fix things up accordingly.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1446657859-9598-3-git-send-email-imre.deak@intel.com
drivers/gpu/drm/i915/intel_runtime_pm.c
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diff --git
a/drivers/gpu/drm/i915/intel_runtime_pm.c
b/drivers/gpu/drm/i915/intel_runtime_pm.c
index bc810970a0e8aca0e31326d08315534c8754c9de..8b4ec4b27ce4a6d63aa3ec0f79dc1b494648a1b3 100644
(file)
--- a/
drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/
drivers/gpu/drm/i915/intel_runtime_pm.c
@@
-961,10
+961,12
@@
static struct i915_power_well *lookup_power_well(struct drm_i915_private *dev_pr
int power_well_id)
{
struct i915_power_domains *power_domains = &dev_priv->power_domains;
- struct i915_power_well *power_well;
int i;
- for_each_power_well(i, power_well, POWER_DOMAIN_MASK, power_domains) {
+ for (i = 0; i < power_domains->power_well_count; i++) {
+ struct i915_power_well *power_well;
+
+ power_well = &power_domains->power_wells[i];
if (power_well->data == power_well_id)
return power_well;
}
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