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authorImre Deak <imre.deak@intel.com>2024-01-04 10:30:05 +0200
committerImre Deak <imre.deak@intel.com>2024-01-08 18:57:21 +0200
commitbab87ef4db9aafeb8f95b7bfa5c12b187c01d13e (patch)
treed6be18b4f6f3b416920220ddad177c35bc4e5ded /drivers/gpu/drm/i915/display/intel_hdmi.c
parentcd572b3bb27e86f4a4c814acabbf1f197259c011 (diff)
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drm/i915: Disable hotplug detection handlers during driver init/shutdown
As described in the previous two patches an unexpected connector detection can happen during the init/shutdown sequences. Prevent these by returning the connector's current status from the detection handlers. Link: https://patchwork.freedesktop.org/patch/msgid/20240104083008.2715733-10-imre.deak@intel.com Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hdmi.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 55048c56bc52..7020e5806109 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -49,6 +49,7 @@
#include "intel_cx0_phy.h"
#include "intel_ddi.h"
#include "intel_de.h"
+#include "intel_display_driver.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_gmbus.h"
@@ -2505,6 +2506,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
if (!intel_display_device_enabled(dev_priv))
return connector_status_disconnected;
+ if (!intel_display_driver_check_access(dev_priv))
+ return connector->status;
+
wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
if (DISPLAY_VER(dev_priv) >= 11 &&
@@ -2533,6 +2537,9 @@ intel_hdmi_force(struct drm_connector *connector)
drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
+ if (!intel_display_driver_check_access(i915))
+ return;
+
intel_hdmi_unset_edid(connector);
if (connector->status != connector_status_connected)