From: Ville Syrjala <ville.syrjala@linux.intel.com> To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>, Jani Nikula <jani.nikula@intel.com> Subject: [PATCH 4/4] drm/i915: Fix oops on platforms w/o hpd support Date: Thu, 14 Oct 2021 12:09:41 +0300 [thread overview] Message-ID: <20211014090941.12159-5-ville.syrjala@linux.intel.com> (raw) In-Reply-To: <20211014090941.12159-1-ville.syrjala@linux.intel.com> From: Ville Syrjälä <ville.syrjala@linux.intel.com> We don't have hpd support on i8xx/i915 which means hotplug_funcs==NULL. Let's not oops when loading the driver on one those machines. Cc: Dave Airlie <airlied@redhat.com> Cc: Jani Nikula <jani.nikula@intel.com> Fixes: cd030c7c11a4 ("drm/i915: constify hotplug function vtable.") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> --- drivers/gpu/drm/i915/display/intel_hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 3c1cec953b42..0e949a258a22 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -215,7 +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) { - if (i915->display_irqs_enabled && i915->hotplug_funcs->hpd_irq_setup) + if (i915->display_irqs_enabled && + i915->hotplug_funcs && i915->hotplug_funcs->hpd_irq_setup) i915->hotplug_funcs->hpd_irq_setup(i915); } -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Ville Syrjala <ville.syrjala@linux.intel.com> To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>, Jani Nikula <jani.nikula@intel.com> Subject: [Intel-gfx] [PATCH 4/4] drm/i915: Fix oops on platforms w/o hpd support Date: Thu, 14 Oct 2021 12:09:41 +0300 [thread overview] Message-ID: <20211014090941.12159-5-ville.syrjala@linux.intel.com> (raw) In-Reply-To: <20211014090941.12159-1-ville.syrjala@linux.intel.com> From: Ville Syrjälä <ville.syrjala@linux.intel.com> We don't have hpd support on i8xx/i915 which means hotplug_funcs==NULL. Let's not oops when loading the driver on one those machines. Cc: Dave Airlie <airlied@redhat.com> Cc: Jani Nikula <jani.nikula@intel.com> Fixes: cd030c7c11a4 ("drm/i915: constify hotplug function vtable.") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> --- drivers/gpu/drm/i915/display/intel_hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 3c1cec953b42..0e949a258a22 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -215,7 +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) { - if (i915->display_irqs_enabled && i915->hotplug_funcs->hpd_irq_setup) + if (i915->display_irqs_enabled && + i915->hotplug_funcs && i915->hotplug_funcs->hpd_irq_setup) i915->hotplug_funcs->hpd_irq_setup(i915); } -- 2.32.0
next prev parent reply other threads:[~2021-10-14 9:10 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-14 9:09 [PATCH 0/4] drm/i915: Make the driver not oops on load on old machines Ville Syrjala 2021-10-14 9:09 ` [Intel-gfx] " Ville Syrjala 2021-10-14 9:09 ` [PATCH 1/4] drm/i915: Replace the unconditional clflush with drm_clflush_virt_range() Ville Syrjala 2021-10-14 9:09 ` [Intel-gfx] " Ville Syrjala 2021-10-14 9:09 ` [PATCH 2/4] drm/i915: Convert unconditional clflush to drm_clflush_virt_range() Ville Syrjala 2021-10-14 9:09 ` [Intel-gfx] " Ville Syrjala 2021-10-14 9:09 ` [PATCH 3/4] drm/i915: Catch yet another unconditioal clflush Ville Syrjala 2021-10-14 9:09 ` [Intel-gfx] " Ville Syrjala 2021-10-14 9:09 ` Ville Syrjala [this message] 2021-10-14 9:09 ` [Intel-gfx] [PATCH 4/4] drm/i915: Fix oops on platforms w/o hpd support Ville Syrjala 2021-10-14 9:18 ` Jani Nikula 2021-10-14 9:18 ` [Intel-gfx] " Jani Nikula 2021-10-14 9:20 ` Jani Nikula 2021-10-14 9:20 ` [Intel-gfx] " Jani Nikula 2021-10-14 9:27 ` Ville Syrjälä 2021-10-14 9:27 ` [Intel-gfx] " Ville Syrjälä 2021-10-14 9:29 ` Ville Syrjälä 2021-10-14 9:29 ` [Intel-gfx] " Ville Syrjälä 2021-10-14 9:31 ` Sarvela, Tomi P 2021-10-14 9:31 ` [Intel-gfx] " Sarvela, Tomi P 2021-10-14 9:36 ` Ville Syrjälä 2021-10-14 9:36 ` [Intel-gfx] " Ville Syrjälä 2021-10-14 9:42 ` Sarvela, Tomi P 2021-10-14 9:42 ` [Intel-gfx] " Sarvela, Tomi P 2021-10-14 10:07 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Make the driver not oops on load on old machines Patchwork 2021-10-14 11:24 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2021-10-17 23:54 ` [PATCH 0/4] " Dave Airlie 2021-10-17 23:54 ` [Intel-gfx] " Dave Airlie 2021-10-19 9:08 ` Ville Syrjälä 2021-10-19 9:08 ` [Intel-gfx] " Ville Syrjälä
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