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drm/i915: constify hotplug function vtable.

Browse source 
Use a macro to avoid mistakes, this type of macro is only used
in a couple of places.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/af229c1e8ec894f177b344ab77b90e32c33428de.1632869550.git.jani.nikula@intel.com
This commit is contained in:
Dave Airlie 2021-09-29 01:58:00 +03:00 • committed by Jani Nikula
parent 1c55b1e063
commit cd030c7c11
3 changed files with 24 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/i915/display/intel_hotplug.c
View file

@ -215,8 +215,8 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
static void intel_hpd_irq_setup(struct drm_i915_private *i915) static void intel_hpd_irq_setup(struct drm_i915_private *i915)
{ {
if (i915->display_irqs_enabled && i915->hotplug_funcs.hpd_irq_setup) if (i915->display_irqs_enabled && i915->hotplug_funcs->hpd_irq_setup)
i915->hotplug_funcs.hpd_irq_setup(i915); i915->hotplug_funcs->hpd_irq_setup(i915);
} }
static void intel_hpd_irq_storm_reenable_work(struct work_struct *work) static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)

2
drivers/gpu/drm/i915/i915_drv.h
View file

@ -988,7 +988,7 @@ struct drm_i915_private {
struct drm_i915_wm_disp_funcs wm_disp; struct drm_i915_wm_disp_funcs wm_disp;
/* irq display functions */ /* irq display functions */
struct intel_hotplug_funcs hotplug_funcs; const struct intel_hotplug_funcs *hotplug_funcs;
/* fdi display functions */ /* fdi display functions */
const struct intel_fdi_funcs *fdi_funcs; const struct intel_fdi_funcs *fdi_funcs;

28
drivers/gpu/drm/i915/i915_irq.c
View file

@ -4345,6 +4345,20 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
return ret; return ret;
} }
#define HPD_FUNCS(platform) \
static const struct intel_hotplug_funcs platform##_hpd_funcs = { \
.hpd_irq_setup = platform##_hpd_irq_setup, \
}
HPD_FUNCS(i915);
HPD_FUNCS(dg1);
HPD_FUNCS(gen11);
HPD_FUNCS(bxt);
HPD_FUNCS(icp);
HPD_FUNCS(spt);
HPD_FUNCS(ilk);
#undef HPD_FUNCS
/** /**
* intel_irq_init - initializes irq support * intel_irq_init - initializes irq support
* @dev_priv: i915 device instance * @dev_priv: i915 device instance
@ -4395,20 +4409,20 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
if (HAS_GMCH(dev_priv)) { if (HAS_GMCH(dev_priv)) {
if (I915_HAS_HOTPLUG(dev_priv)) if (I915_HAS_HOTPLUG(dev_priv))
dev_priv->hotplug_funcs.hpd_irq_setup = i915_hpd_irq_setup; dev_priv->hotplug_funcs = &i915_hpd_funcs;
} else { } else {
if (HAS_PCH_DG1(dev_priv)) if (HAS_PCH_DG1(dev_priv))
dev_priv->hotplug_funcs.hpd_irq_setup = dg1_hpd_irq_setup; dev_priv->hotplug_funcs = &dg1_hpd_funcs;
else if (DISPLAY_VER(dev_priv) >= 11) else if (DISPLAY_VER(dev_priv) >= 11)
dev_priv->hotplug_funcs.hpd_irq_setup = gen11_hpd_irq_setup; dev_priv->hotplug_funcs = &gen11_hpd_funcs;
else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
dev_priv->hotplug_funcs.hpd_irq_setup = bxt_hpd_irq_setup; dev_priv->hotplug_funcs = &bxt_hpd_funcs;
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
dev_priv->hotplug_funcs.hpd_irq_setup = icp_hpd_irq_setup; dev_priv->hotplug_funcs = &icp_hpd_funcs;
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
dev_priv->hotplug_funcs.hpd_irq_setup = spt_hpd_irq_setup; dev_priv->hotplug_funcs = &spt_hpd_funcs;
else else
dev_priv->hotplug_funcs.hpd_irq_setup = ilk_hpd_irq_setup; dev_priv->hotplug_funcs = &ilk_hpd_funcs;
} }
} }