On Mon, Jan 29, 2018 at 03:47:34PM +0100, Hans de Goede wrote:
> Add a new intel_bios_cleanup function to free memdup-ed bios data
> structures and call it from i915_driver_unload().
>
> Signed-off-by: Hans de Goede <[email protected]>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 2 ++
> drivers/gpu/drm/i915/i915_drv.h | 1 +
> drivers/gpu/drm/i915/intel_bios.c | 11 +++++++++++
> 3 files changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 1ec12add34b2..4ecf41724183 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1437,6 +1437,8 @@ void i915_driver_unload(struct drm_device *dev)
>
> intel_modeset_cleanup(dev);
>
> + intel_bios_cleanup(dev_priv);
> +
> /*
> * free the memory space allocated for the child device
> * config parsed from VBT
Looks like there's already a bunch of VBT related cleanup just below.
Maybe that should be sucked into the new cleanup function as well?
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 454d8f937fae..081190da0818 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -3663,6 +3663,7 @@ extern void intel_i2c_reset(struct drm_i915_private
> *dev_priv);
>
> /* intel_bios.c */
> void intel_bios_init(struct drm_i915_private *dev_priv);
> +void intel_bios_cleanup(struct drm_i915_private *dev_priv);
> bool intel_bios_is_valid_vbt(const void *buf, size_t size);
> bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv);
> bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8
> *i2c_pin);
> diff --git a/drivers/gpu/drm/i915/intel_bios.c
> b/drivers/gpu/drm/i915/intel_bios.c
> index 95f0b310d656..64a0d55df28e 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -1588,6 +1588,17 @@ void intel_bios_init(struct drm_i915_private *dev_priv)
> pci_unmap_rom(pdev, bios);
> }
>
> +/**
> + * intel_bios_cleanup - Free any resources allocated by intel_bios_init()
> + * @dev_priv: i915 device instance
> + */
> +void intel_bios_cleanup(struct drm_i915_private *dev_priv)
> +{
> + kfree(dev_priv->vbt.dsi.data);
> + kfree(dev_priv->vbt.dsi.pps);
> + kfree(dev_priv->vbt.dsi.config);
> +}
> +
> /**
> * intel_bios_is_tv_present - is integrated TV present in VBT
> * @dev_priv: i915 device instance
> --
> 2.14.3
--
Ville Syrjälä
Intel OTC
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