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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	Alex Deucher <alexander.deucher@amd.com>,
	Dave Airlie <airlied@redhat.com>
Subject: [23/26] drm/radeon/kms: dont enable connectors that are off in the
Date: Mon, 15 Aug 2011 19:43:06 -0700	[thread overview]
Message-ID: <20110816024455.548556218@pistachio.kroah.org> (raw)
In-Reply-To: <20110816024553.GA5631@kroah.com>

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------
 hotplug handler

From: Alex Deucher <alexander.deucher@amd.com>

commit 73104b5cfe3067d68f2c2de3f3d4d4964c55873e upstream.

If we get a hotplug event on an connector that is off, don't
attempt to turn it on or off, it should already be off.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=728228

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/gpu/drm/radeon/radeon_connectors.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -60,6 +60,10 @@ void radeon_connector_hotplug(struct drm
 
 	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 
+	/* if the connector is already off, don't turn it back on */
+	if (connector->dpms != DRM_MODE_DPMS_ON)
+		return;
+
 	/* powering up/down the eDP panel generates hpd events which
 	 * can interfere with modesetting.
 	 */



  parent reply	other threads:[~2011-08-16  2:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-16  2:45 [00/26] 3.0.3-stable review Greg KH
2011-08-16  2:42 ` [01/26] staging: rtl8192u: declare MODULE_FIRMWARE Greg KH
2011-08-16  2:42 ` [02/26] USB: xhci: fix OS want to own HC Greg KH
2011-08-16  2:42 ` [03/26] xhci: Dont submit commands or URBs to halted hosts Greg KH
2011-08-16  2:42 ` [04/26] usb/config: use proper endian access for wMaxPacketSize Greg KH
2011-08-16  2:42 ` [05/26] usb: musb: fix oops on musb_gadget_pullup Greg KH
2011-08-16  2:42 ` [06/26] USB: assign instead of equal in usbtmc.c Greg KH
2011-08-16  2:42 ` [07/26] USB: ftdi_sio: fix minor typo in get_ftdi_divisor Greg KH
2011-08-16  2:42 ` [08/26] USB: usb-storage: unusual_devs entry for ARM V2M Greg KH
2011-08-16  2:42 ` [09/26] USB: Serial: Added device ID for Qualcomm Modem in Greg KH
2011-08-16  2:42 ` [10/26] USB: option driver: add PID for Vodafone-Huawei K3770 Greg KH
2011-08-16  2:42 ` [11/26] USB: option driver: add PID for Vodafone-Huawei K3771 Greg KH
2011-08-16  2:42 ` [12/26] USB: option driver: add PID for Vodafone-Huawei K4510 Greg KH
2011-08-16  2:42 ` [13/26] USB: option driver: add PID for Vodafone-Huawei K4511 Greg KH
2011-08-16  2:42 ` [14/26] atm: br2864: sent packets truncated in VC routed mode Greg KH
2011-08-16  2:42 ` [15/26] hwmon: (ibmaem) add missing kfree Greg KH
2011-08-16  2:42 ` [16/26] ALSA: snd-usb-caiaq: Correct offset fields of outbound iso_frame_desc Greg KH
2011-08-16  2:43 ` [17/26] ASoC: Fix binding of WM8750 on Jive Greg KH
2011-08-16  2:43 ` [18/26] ASoC: Tegra: tegra_pcm_deallocate_dma_buffer: Dont OOPS Greg KH
2011-08-16  2:43 ` [19/26] ASoC: Tegra: wm8903 machine driver: Allow re-insertion of Greg KH
2011-08-16  2:43 ` [20/26] ath5k: fix error handling in ath5k_beacon_send Greg KH
2011-08-16  2:43 ` [21/26] mm: fix wrong vmap address calculations with odd NR_CPUS values Greg KH
2011-08-16  2:43 ` [22/26] lguest: allow booting guest with CONFIG_RELOCATABLE=y Greg KH
2011-08-16  2:43 ` Greg KH [this message]
2011-08-16  2:43 ` [24/26] drm/radeon/kms: fix regression is handling >2 heads on Greg KH
2011-08-16  2:43 ` [25/26] drm/radeon/kms: dont try to be smart in the hpd handler Greg KH
2011-08-16  2:43 ` [26/26] perf tools: do not look at ./config for configuration Greg KH

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