linux-kernel - [PATCH v3 2/3] drm/nouveau: Remove useless poll_disable() call in switcheroo_set

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Message-Id: <20180815191513.6266-3-lyude@redhat.com>
Date:   Wed, 15 Aug 2018 15:15:12 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     nouveau@...ts.freedesktop.org
Cc:     Lukas Wunner <lukas@...ner.de>, Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/3] drm/nouveau: Remove useless poll_disable() call in switcheroo_set_state()

This won't do anything but potentially make us miss hotplugs. We already
call drm_kms_helper_poll_disable() in
nouveau_pmops_suspend()->nouveau_display_suspend()->nouveau_display_fini()

Signed-off-by: Lyude Paul <lyude@...hat.com>
Reviewed-by: Karol Herbst <kherbst@...hat.com>
Acked-by: Daniel Vetter <daniel@...ll.ch>
Cc: Lukas Wunner <lukas@...ner.de>
---
 drivers/gpu/drm/nouveau/nouveau_vga.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index 09b1d8151881..8f1ce4833230 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -50,7 +50,6 @@ nouveau_switcheroo_set_state(struct pci_dev *pdev,
 	} else {
 		pr_err("VGA switcheroo: switched nouveau off\n");
 		dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
-		drm_kms_helper_poll_disable(dev);
 		nouveau_switcheroo_optimus_dsm();
 		nouveau_pmops_suspend(&pdev->dev);
 		dev->switch_power_state = DRM_SWITCH_POWER_OFF;
-- 
2.17.1