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drm/i915: Do not start connector polling if display is disabled 

Currently we are starting connector polling if display is disabled
using disable_display module parameter. Polling is just returning
always "not connected" state. This can be optimized by not starting
polling at all.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220610085429.52935-3-jouni.hogander@intel.com
This commit is contained in:
Jouni Högander 2022-06-10 11:54:28 +03:00 committed by Jani Nikula
parent eb2983c09f
commit 04770b082e
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_hotplug.c
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@ -668,7 +668,8 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
*/
void intel_hpd_poll_enable(struct drm_i915_private *dev_priv)
{
if (!HAS_DISPLAY(dev_priv))
if (!HAS_DISPLAY(dev_priv) ||
!INTEL_DISPLAY_ENABLED(dev_priv))
return;
WRITE_ONCE(dev_priv->hotplug.poll_enabled, true);