linux-kernel - [PATCH 4.17 10/66] drm/nouveau/drm/nouveau: Fix runtime PM leak in nv50_disp_atomic

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Message-Id: <20180727093810.210018478@linuxfoundation.org>
Date:   Fri, 27 Jul 2018 11:45:03 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lyude Paul <lyude@...hat.com>,
        Ben Skeggs <bskeggs@...hat.com>
Subject: [PATCH 4.17 10/66] drm/nouveau/drm/nouveau: Fix runtime PM leak in nv50_disp_atomic_commit()

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lyude Paul <lyude@...hat.com>

commit e5d54f1935722f83df7619f3978f774c2b802cd8 upstream.

A CRTC being enabled doesn't mean it's on! It doesn't even necessarily
mean it's being used. This fixes runtime PM leaks on the P50 I've got
next to me.

Signed-off-by: Lyude Paul <lyude@...hat.com>
Cc: stable@...r.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>


---
 drivers/gpu/drm/nouveau/nv50_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -4198,7 +4198,7 @@ nv50_disp_atomic_commit(struct drm_devic
 		nv50_disp_atomic_commit_tail(state);
 
 	drm_for_each_crtc(crtc, dev) {
-		if (crtc->state->enable) {
+		if (crtc->state->active) {
 			if (!drm->have_disp_power_ref) {
 				drm->have_disp_power_ref = true;
 				return 0;