diff options
| author | Imre Deak <imre.deak@intel.com> | 2022-02-22 19:51:34 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2022-02-28 18:03:33 +0300 |
| commit | ef1e170891904f0339af8fffbaad990243c7125b (patch) | |
| tree | d9e59434c1bf0e701286e0ef91c2f069da580700 /drivers/gpu/drm/i915/display/intel_display_power_well.c | |
| parent | 314fe7dce4139e80fe3df834d1c451917a1b0bc0 (diff) | |
| download | linux-ef1e170891904f0339af8fffbaad990243c7125b.tar.xz | |
drm/i915: Move power well get/put/enable/disable functions to a new file
Move the power well get/put/enable/disable hooks to the new
intel_display_power_well.c file. The motivation is to reduce the clutter
in intel_display_power.c, keeping the functionality related to power
domains in that file and moving the low-level power well functionality
to intel_display_power_well.c.
No functional change.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-6-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power_well.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power_well.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c new file mode 100644 index 000000000000..e21190854fa0 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2022 Intel Corporation + */ + +#include "i915_drv.h" +#include "intel_display_power_well.h" + +void intel_power_well_enable(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + drm_dbg_kms(&i915->drm, "enabling %s\n", power_well->desc->name); + power_well->desc->ops->enable(i915, power_well); + power_well->hw_enabled = true; +} + +void intel_power_well_disable(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + drm_dbg_kms(&i915->drm, "disabling %s\n", power_well->desc->name); + power_well->hw_enabled = false; + power_well->desc->ops->disable(i915, power_well); +} + +void intel_power_well_get(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + if (!power_well->count++) + intel_power_well_enable(i915, power_well); +} + +void intel_power_well_put(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + drm_WARN(&i915->drm, !power_well->count, + "Use count on power well %s is already zero", + power_well->desc->name); + + if (!--power_well->count) + intel_power_well_disable(i915, power_well); +} |