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[PATCH 3.16.y-ckt 76/94] drm/radeon: move bl encoder assignment into bl init

From Luis Henriques <luis.henriques@canonical.com>
Newsgroups linux.kernel
Subject [PATCH 3.16.y-ckt 76/94] drm/radeon: move bl encoder assignment into bl init
Date 2015-11-13 11:30 +0100
Message-ID <qujMf-5a8-51@gated-at.bofh.it> (permalink)
References <qujCx-56Q-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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3.16.7-ckt20 -stable review patch.  If anyone has any objections, please let me know.

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

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

commit 4cee6a9057d5e13911f0cb6e143d11dc1a3245dd upstream.

So that the bl encoder will be null if the GPU does not
control the backlight.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[ luis: backported to 3.16:
  - change radeon_link_encoder_connector() instead of
    radeon_encoder_add_backlight() ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/gpu/drm/radeon/atombios_encoders.c      | 1 +
 drivers/gpu/drm/radeon/radeon_encoders.c        | 1 -
 drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index f35008cf0bc3..1ab0ce99aa9d 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -236,6 +236,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 	backlight_update_status(bd);
 
 	DRM_INFO("radeon atom DIG backlight initialized\n");
+	rdev->mode_info.bl_encoder = radeon_encoder;
 
 	return;
 
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index bd4959ca23aa..c8f3d2e898d5 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -179,7 +179,6 @@ radeon_link_encoder_connector(struct drm_device *dev)
 						radeon_atom_backlight_init(radeon_encoder, connector);
 					else
 						radeon_legacy_backlight_init(radeon_encoder, connector);
-					rdev->mode_info.bl_encoder = radeon_encoder;
 				}
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index c89971d904c3..25ee91682391 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -441,6 +441,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 	backlight_update_status(bd);
 
 	DRM_INFO("radeon legacy LVDS backlight initialized\n");
+	rdev->mode_info.bl_encoder = radeon_encoder;
 
 	return;
 
--
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[3.16.y-ckt stable] Linux 3.16.7-ckt20 stable review Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 05/94] svcrdma: handle rdma read with a non-zero initial page offset Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 92/94] sfc: Fix memcpy() with const destination compiler warning. Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 89/94] ppp, slip: Validate VJ compression slot parameters completely Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 88/94] isdn_ppp: Add checks for allocation failure in isdn_ppp_open() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 52/94] ASoC: Add info callback for SX_TLV controls Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 46/94] ARM: orion: Fix DSA platform device after mvmdio conversion Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 43/94] iwlwifi: mvm: fix D3 firmware PN programming Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 35/94] i2c: designware: Do not use parameters from ACPI on Dell Inspiron 7348 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 14/94] usb: Add device quirk for Logitech PTZ cameras Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 22/94] drm/radeon: add pm sysfs files late Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 39/94] rbd: fix double free on rbd_dev->header_name Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 71/94] i2c: mv64xxx: really allow I2C offloading Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 91/94] power: bq24190_charger: suppress build warning Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 90/94] staging/dgnc: fix info leak in ioctl Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 33/94] i2c: s3c2410: enable RuntimePM before registering to the core Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 86/94] serial: 8250_pci: Add support for 12 port Exar boards Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 94/94] sched/preempt: Fix cond_resched_lock() and cond_resched_softirq() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 93/94] sched/preempt: Rename PREEMPT_CHECK_OFFSET to PREEMPT_DISABLE_OFFSET Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:20 +0100
  [PATCH 3.16.y-ckt 65/94] iwlwifi: mvm: init card correctly on ctkill exit check Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 70/94] iommu/amd: Don't clear DTE flags when modifying it Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 77/94] drm/radeon: fix dpms when driver backlight control is disabled Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 69/94] md/raid10: submit_bio_wait() returns 0 on success Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 67/94] crypto: api - Only abort operations on fatal signal Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 66/94] module: Fix locking in symbol_put_addr() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 74/94] Revert "ARM64: unwind: Fix PC calculation" Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 82/94] ppp: fix pppoe_dev deletion condition in pppoe_release() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 72/94] drm/radeon: don't try to recreate sysfs entries on resume Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 63/94] dm btree: fix leak of bufio-backed block in btree_split_beneath error path Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 55/94] xhci: Add spurious wakeup quirk for LynxPoint-LP controllers Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 80/94] Revert "md: allow a partially recovered device to be hot-added to an array." Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 76/94] drm/radeon: move bl encoder assignment into bl init Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 83/94] ipv6: gre: support SIT encapsulation Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:30 +0100
  [PATCH 3.16.y-ckt 50/94] drm/i915: Deny wrapping an userptr into a framebuffer Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 58/94] powerpc/rtas: Validate rtas.entry before calling enter_rtas() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 53/94] xhci: don't finish a TD if we get a short transfer event mid TD Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 48/94] iio: mxs-lradc: Fix temperature offset Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 62/94] dm btree remove: fix a bug when rebalancing nodes after removal Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 57/94] drm/nouveau/gem: return only valid domain when there's only one Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 59/94] mm: make sendfile(2) killable Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 56/94] ASoC: wm8904: Correct number of EQ registers Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 44/94] iwlwifi: fix firmware filename for 3160 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 45/94] iwlwifi: pci: add a few more PCI subvendor IDs for the 7265 series Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 54/94] xhci: handle no ping response error properly Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 47/94] xen-blkfront: check for null drvdata in blkback_changed (XenbusStateClosing) Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 51/94] x86/efi: Fix multiple GOP device support Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 49/94] ALSA: hda - Fix inverted internal mic on Lenovo G50-80 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 61/94] rbd: prevent kernel stack blow up on rbd map Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:40 +0100
  [PATCH 3.16.y-ckt 23/94] drm/radeon: add quirk for MSI R7 370 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 34/94] i2c: designware-platdrv: enable RuntimePM before registering to the core Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 36/94] btrfs: fix possible leak in btrfs_ioctl_balance() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 27/94] arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 41/94] iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 31/94] btrfs: fix use after free iterating extrefs Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 29/94] dm thin: fix missing pool reference count decrement in pool_ctr error path Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 38/94] usb: xhci: Add support for URB_ZERO_PACKET to bulk/sg transfers Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 30/94] btrfs: check unsupported filters in balance arguments Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 42/94] iwlwifi: dvm: fix D3 firmware PN programming Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 28/94] crypto: ahash - ensure statesize is non-zero Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 40/94] ath9k: declare required extra tx headroom Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 11:50 +0100
  [PATCH 3.16.y-ckt 25/94] crypto: sparc - initialize blkcipher.ivsize Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 21/94] workqueue: make sure delayed work run in local cpu Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 04/94] s390/boot/decompression: disable floating point in decompressor Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 10/94] dm raid: fix round up of default region size Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 11/94] ALSA: hda: Add dock support for ThinkPad T550 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 16/94] ALSA: synth: Fix conflicting OSS device registration on AWE32 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 13/94] USB: Add reset-resume quirk for two Plantronics usb headphones. Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 03/94] x86/xen: Support kexec/kdump in HVM guests by doing a soft reset Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 02/94] regmap: debugfs: Don't bother actually printing when calculating max length Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 09/94] ASoC: dwc: correct irq clear method Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 12/94] ALSA: hda - Apply SPDIF pin ctl to MacBookPro 12,1 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 06/94] dm: fix AB-BA deadlock in __dm_destroy() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 26/94] drm/nouveau/fbcon: take runpm reference when userspace has an open fd Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 15/94] staging: speakup: fix speakup-r regression Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 20/94] 3w-9xxx: don't unmap bounce buffered commands Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 17/94] arm64: readahead: fault retry breaks mmap file read random detection Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 01/94] regmap: debugfs: Ensure we don't underflow when printing access masks Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 24/94] drm/radeon: add quirk for ASUS R7 370 Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 07/94] [SMB3] Do not fall back to SMBWriteX in set_file_size error cases Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100
  [PATCH 3.16.y-ckt 18/94] sched/core: Fix TASK_DEAD race in finish_task_switch() Luis Henriques <luis.henriques@canonical.com> - 2015-11-13 12:00 +0100

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