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Revert "drm/i915: re-order if/else ladder for hpd_irq_setup" 

We now use ilk_hpd_irq_setup for all GMCH platforms that do not have
hotplug. These are early gen3 and gen2 devices that now explode on boot
as they try to access non-existent registers.

Fixes: 794d61a190 ("drm/i915: re-order if/else ladder for hpd_irq_setup")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127145748.29491-1-chris@chris-wilson.co.uk
(cherry picked from commit e5346a1ff3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Chris Wilson 2020-11-27 14:57:48 +00:00 committed by Jani Nikula
parent efd3043790
commit 2ccf2e0386
1 changed files with 15 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/gpu/drm/i915/i915_irq.c
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@ -4242,18 +4242,21 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
*/
dev_priv->hotplug.hpd_short_storm_enabled = !HAS_DP_MST(dev_priv);
if (HAS_PCH_DG1(dev_priv))
dev_priv->display.hpd_irq_setup = dg1_hpd_irq_setup;
else if (INTEL_GEN(dev_priv) >= 11)
dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup;
else if (IS_GEN9_LP(dev_priv))
dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup;
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup;
else if (HAS_GMCH(dev_priv) && I915_HAS_HOTPLUG(dev_priv))
dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup;
else
dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;
if (HAS_GMCH(dev_priv)) {
if (I915_HAS_HOTPLUG(dev_priv))
dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup;
} else {
if (HAS_PCH_DG1(dev_priv))
dev_priv->display.hpd_irq_setup = dg1_hpd_irq_setup;
else if (INTEL_GEN(dev_priv) >= 11)
dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup;
else if (IS_GEN9_LP(dev_priv))
dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup;
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup;
else
dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;
}
}
/**