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2017-08-02drm/ast: Free container instead of member in ast_user_framebuffer_destroy()Egbert Eich1-1/+1
Technically freeing ast_fb->base is the same as freeing ast_fb as 'base' the first member of the data structure. Still this makes it cleaner. Signed-off-by: Egbert Eich <eich@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-08-02drm/ast: Simplify function ast_bo_unpin()Egbert Eich1-6/+2
Just a code refactoring, no functional change. Signed-off-by: Egbert Eich <eich@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-07-27drm: linux-next: build failure after merge of the drm-misc treeStephen Rothwell1-3/+2
Hi all, After merging the drm-misc tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/staging/vboxvideo/vbox_drv.c:235:2: error: unknown field 'set_busid' specified in initializer .set_busid = drm_pci_set_busid, ^ drivers/staging/vboxvideo/vbox_drv.c:235:15: error: 'drm_pci_set_busid' undeclared here (not in a function) .set_busid = drm_pci_set_busid, ^ drivers/staging/vboxvideo/vbox_drv.c: In function 'vbox_init': drivers/staging/vboxvideo/vbox_drv.c:273:9: error: implicit declaration of function 'drm_pci_init' [-Werror=implicit-function-declaration] return drm_pci_init(&driver, &vbox_pci_driver); ^ drivers/staging/vboxvideo/vbox_drv.c: In function 'vbox_exit': drivers/staging/vboxvideo/vbox_drv.c:278:2: error: implicit declaration of function 'drm_pci_exit' [-Werror=implicit-function-declaration] drm_pci_exit(&driver, &vbox_pci_driver); ^ Caused by commits 5c484cee7ef9 ("drm: Remove drm_driver->set_busid hook") 10631d724def ("drm/pci: Deprecate drm_pci_init/exit completely") interacting with commit dd55d44f4084 ("staging: vboxvideo: Add vboxvideo to drivers/staging") from the staging.current tree. I have applied the following merge fix patch - please check that it is correct. From: Stephen Rothwell <sfr@canb.auug.org.au> Date: Wed, 19 Jul 2017 11:41:01 +1000 Subject: [PATCH] drm: fixes for staging due to API changes in the drm core Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-07-26drm/hisilicon: fix build error without fbdev emulationArnd Bergmann2-9/+2
We cannot reference priv->fbdev outside of the #ifdef: drivers/net/virtio_net.c:1881:12: error: 'virtnet_restore_up' defined but not used [-Werror=unused-function] static int virtnet_restore_up(struct virtio_device *vdev) drivers/net/virtio_net.c:1859:13: error: 'virtnet_freeze_down' defined but not used [-Werror=unused-function] static void virtnet_freeze_down(struct virtio_device *vdev) As the #ifdef is a bit annoying here, this removes it entirely and uses an IS_ENABLED() check in it place where needed. Fixes: b4dd9f1ffaba ("drm/hisilicon: Remove custom FB helper deferred setup") Signed-off-by: Arnd Bergmann <arnd@arndb.de> [danvet: One step further, also remove the IS_ENABLED checks, core no-ops out the fb helper functions that the cma helpers use. Discussed with Arnd on dri-devel.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170725180555.3699056-1-arnd@arndb.de Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/atomic: implement drm_atomic_helper_commit_tail for runtime_pm usersMaxime Ripard4-61/+37
The current drm_atomic_helper_commit_tail helper works only if the CRTC is accessible, and documents an alternative implementation that is supposed to be used if that happens. That implementation is then duplicated by some drivers. Instead of documenting it, let's implement an helper that all the relevant users can use directly. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/a8f92dc70048bab746e94dadd1c23200626aff60.1500555652.git-series.maxime.ripard@free-electrons.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm: Improve kerneldoc for drm_modeset_lockLiviu Dudau1-2/+10
Explain better when the drm_modeset_acquire_ctx parameter can be skipped for drm_modeset_lock() call. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170720160748.12856-1-Liviu.Dudau@arm.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/hisilicon: Remove custom FB helper deferred setupThierry Reding1-10/+10
The FB helper core now supports deferred setup, so the driver's custom implementation can be removed. v2: Dont' resurrect drm_vblank_cleanup. Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com> Cc: Chen Feng <puck.chen@hisilicon.com> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-5-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/exynos: Remove custom FB helper deferred setupThierry Reding2-27/+5
The FB helper core now supports deferred setup, so the driver's custom implementation can be removed. v2: Drop NULL check, drm_fb_helper_hotplug_event handles that already. Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by: Inki Dae <inki.dae@samsung.com> Tested-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-4-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/fb-helper: Support deferred setupDaniel Vetter2-35/+90
FB helper code falls back to a 1024x768 mode if no outputs are connected or don't report back any modes upon initialization. This can be annoying because outputs that are added to FB helper later on can't be used with FB helper if they don't support a matching mode. The fallback is in place because VGA connectors can happen to report an unknown connection status even when they are in fact connected. Some drivers have custom solutions in place to defer FB helper setup until at least one output is connected. But the logic behind these solutions is always the same and there is nothing driver-specific about it, so a better alterative is to fix the FB helper core and add support for all drivers automatically. This patch adds support for deferred FB helper setup. It checks all the connectors for their connection status, and if all of them report to be disconnected marks the FB helper as needing deferred setup. Whet setup is deferred, the FB helper core will automatically retry setup after a hotplug event, and it will keep trying until it succeeds. v2: Rebase onto my entirely reworked fbdev helper locking. One big difference is that this version again drops&reacquires the fbdev lock (which is now fb_helper->lock, but before this patch series it was mode_config->mutex), because register_framebuffer must be able to recurse back into fbdev helper code for the initial screen setup. v3: __drm_fb_helper_initial_config must hold fb_helper->lock upon return, I've fumbled that in the deferred setup case (Liviu). v4: I was blind, redo this all. __drm_fb_helper_initial_config shouldn't need to reacquire fb_helper->lock, that just confuses callers. I myself got confused by kernel_fb_helper_lock and somehow thought it's the same as fb_helper->lock. Tsk. Also simplify the logic a bit (we don't need two functions to probe connectors), we can stick much closer to the existing code. And update some comments I've spotted that are outdated. v5: Don't pass -EAGAIN to drivers, it's just an internal error code (Liviu). v6: Add _and_unlock suffix to clarify locking (Maarten) Cc: Liviu Dudau <liviu@dudau.co.uk> Cc: John Stultz <john.stultz@linaro.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Tested-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by: Maarten Lankhorst <maarten.lankhorst@intel.com> Reviewed-by: Liviu Dudau <liviu@dudau.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-3-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26dma-fence: Don't BUG_ON when not absolutely neededDaniel Vetter2-4/+4
It makes debugging a massive pain. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170720125107.26693-1-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm: Convert to using %pOF instead of full_nameRob Herring25-80/+72
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com> Cc: Chen Feng <puck.chen@hisilicon.com> Cc: CK Hu <ck.hu@mediatek.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Carlo Caione <carlo@caione.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Jyri Sarha <jsarha@ti.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-mediatek@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Partially-Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> [seanpaul changed subject prefix and fixed conflict in stm/ltdc.c] Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/syncobj: Fix kerneldocDaniel Vetter2-3/+1
make htmldocs helps with catching these. Cc: Dave Airlie <airlied@gmail.com> Acked-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170718074113.5554-1-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/atomic: Allow drm_atomic_helper_swap_state to failMaarten Lankhorst1-8/+7
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-13-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/atomic: Add __must_check to drm_atomic_helper_swap_state.Maarten Lankhorst1-1/+2
Now that all drivers check the return value, convert swap_state to __must_check. This is done separately to force build warnings if we missed a driver. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-12-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/vc4: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+1
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. VC4 has its own nonblocking modeset tracking through the vc4->async_modeset semaphore, so it doesn't need to stall in swap_state. Pass stall = false and BUG_ON when it returns an error. This should never happen for !stall. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Eric Anholt <eric@anholt.net> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-11-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/tilcdc: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+5
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Jyri Sarha <jsarha@ti.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-10-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/tegra: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+6
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: linux-tegra@vger.kernel.org Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-9-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/msm: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-8/+8
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. MSM has its own busy tracking, which means the swap_state call can be done with stall = false, in which case it should never return an error. Handle failure with BUG_ON for this reason. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Rob Clark <robdclark@gmail.com> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-8-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Tested-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/mediatek: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+6
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: CK Hu <ck.hu@mediatek.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-7-maarten.lankhorst@linux.intel.com Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/i915: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+9
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-6-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/atmel-hlcdc: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-6/+7
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Atmel tracks pending commits through dc->commit.pending, so it can ignore the changes by setting stall = false. We never return failure in this case, so make failure a BUG_ON. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-5-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/nouveau: Handle drm_atomic_helper_swap_state failureMaarten Lankhorst1-1/+4
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-4-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/atomic: Change drm_atomic_helper_swap_state to return an error.Maarten Lankhorst2-10/+19
We want to change swap_state to wait indefinitely, but to do this swap_state should wait interruptibly. This requires propagating the error to each driver. Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-3-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [mlankhorst: Fix typos in swap_state documentation (seanpaul)] Reviewed-by: Sean Paul <seanpaul@chromium.org>] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/nouveau: Fix error handling in nv50_disp_atomic_commitMaarten Lankhorst1-2/+5
Make it more clear that post commit return ret is really return 0, and add a missing drm_atomic_helper_cleanup_planes when drm_atomic_helper_wait_for_fences fails. Fixes: 839ca903f12e ("drm/nouveau/kms/nv50: transition to atomic interfaces internally") Cc: Ben Skeggs <bskeggs@redhat.com> Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.10+ Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-2-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul <seanpaul@chromium.org> [mlankhorst: Use if (ret) to remove the goto in success case.] Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/<drivers>: Drop fbdev info flagsDaniel Vetter15-15/+0
- FBINFO_CAN_FORCE_OUTPUT has been a lie ever since we nerfed&removed the entire panic handling code in our fbdev emulation. We might restore kms panic output, but not through the bazillion of legacy code layers called fbdev/fbcon, there's just no way to make that work safely. - With the module check change FBINFO_DEFAULT is always 0, so can be removed too. That removes another change to cargo-cult stuff in kms drivers, yay! Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170706125735.28299-5-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm/qxl: Drop fbdev hwaccel flagsDaniel Vetter1-1/+1
It's not accelarated, just system memory. Note we don't even need to set the default flag since that's now always 0. Note that originally qxl had acceleration support, but that was all ripped out in commit c0fe07aa50befe2e6e6525181e2080377a1c1494 Author: Gerd Hoffmann <kraxel@redhat.com> Date: Tue May 5 13:52:49 2015 +0200 drm/qxl: rewrite framebuffer support v2: Amend commit message a bit after irc chat with Dave. Cc: Dave Airlie <airlied@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: virtualization@lists.linux-foundation.org Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170706125735.28299-4-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26drm: Update docs around gem_free_objectDaniel Vetter2-2/+2
Not all places correctly stated that gem_free_object_unlocked is the one to use. Reported-by: Eric Anholt <eric@anholt.net Cc: Eric Anholt <eric@anholt.net Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170718063337.31942-1-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-23Linux 4.13-rc2Linus Torvalds1-1/+1
2017-07-23Properly alphabetize MAINTAINERS fileLinus Torvalds2-1741/+1815
This adds a perl script to actually parse the MAINTAINERS file, clean up some whitespace in it, warn about errors in it, and then properly sort the end result. My perl-fu is atrocious, so the script has basically been created by randomly putting various characters in a pile, mixing them around, and then looking it the end result does anything interesting when used as a perl script. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-23Fix up MAINTAINERS file problemsLinus Torvalds1-13/+4
Prepping for scripting the MAINTAINERS file cleanup (and possible split) showed a couple of cases where the headers for a couple of entries were bogus. There's a few different kinds of bogosities: - the X-GENE SOC EDAC case was confused and split over two lines - there were four entries for "GREYBUS PROTOCOLS DRIVERS" that were all different things. - the NOKIA N900 CAMERA SUPPORT" was duplicated all of which were more obvious when you started doing associative arrays in perl to track these things by the header (so that we can alphabetize this thing properly, and so that we might split it up by the data too). Cc: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-23xen/balloon: don't online new memory initiallyJuergen Gross3-10/+23
When setting up the Xenstore watch for the memory target size the new watch will fire at once. Don't try to reach the configured target size by onlining new memory in this case, as the current memory size will be smaller in almost all cases due to e.g. BIOS reserved pages. Onlining new memory will lead to more problems e.g. undesired conflicts with NVMe devices meant to be operated as block devices. Instead remember the difference between target size and current size when the watch fires for the first time and apply it to any further size changes, too. In order to avoid races between balloon.c and xen-balloon.c init calls do the xen-balloon.c initialization from balloon.c. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
2017-07-23xen/x86: fix cpu hotplugJuergen Gross1-1/+2
Commit dc6416f1d711eb4c1726e845d653235dcaae12e1 ("xen/x86: Call cpu_startup_entry(CPUHP_AP_ONLINE_IDLE) from xen_play_dead()") introduced an error leading to a stack overflow of the idle task when a cpu was brought offline/online many times: by calling cpu_startup_entry() instead of returning at the end of xen_play_dead() do_idle() would be entered again and again. Don't use cpu_startup_entry(), but cpuhp_online_idle() instead allowing to return from xen_play_dead(). Cc: <stable@vger.kernel.org> # 4.12 Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
2017-07-23xen/grant-table: log the lack of grantsWengang Wang1-1/+8
log a message when we enter this situation: 1) we already allocated the max number of available grants from hypervisor and 2) we still need more (but the request fails because of 1)). Sometimes the lack of grants causes IO hangs in xen_blkfront devices. Adding this log would help debuging. Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
2017-07-23xen/x86: Don't BUG on CPU0 offliningVitaly Kuznetsov1-1/+0
CONFIG_BOOTPARAM_HOTPLUG_CPU0 allows to offline CPU0 but Xen HVM guests BUG() in xen_teardown_timer(). Remove the BUG_ON(), this is probably a leftover from ancient times when CPU0 hotplug was impossible, it works just fine for HVM. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Acked-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
2017-07-21MAINTAINERS: fix alphabetical orderingRandy Dunlap1-817/+816
Fix major alphabetic errors. No attempt to fix items that all begin with the same word (like ARM, BROADCOM, DRM, EDAC, FREESCALE, INTEL, OMAP, PCI, SAMSUNG, TI, USB, etc.). (diffstat +/- is different by one line because TI KEYSTONE MULTICORE had 2 blank lines after it.) Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-21NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid()Trond Myklebust1-2/+11
We must set fl->dsaddr once, and once only, even if there are multiple processes calling filelayout_check_deviceid() for the same layout segment. Reported-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21NFS: Be more careful about mapping file permissionsTrond Myklebust1-8/+17
When mapping a directory, we want the MAY_WRITE permissions to reflect whether or not we have permission to modify, add and delete the directory entries. MAY_EXEC must map to lookup permissions. On the other hand, for files, we want MAY_WRITE to reflect a permission to modify and extend the file. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21NFS: Store the raw NFS access mask in the inode's access cacheTrond Myklebust2-4/+7
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21NFSv3: Convert nfs3_proc_access() to use nfs_access_set_mask()Trond Myklebust1-9/+2
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21NFS: Refactor NFS access to kernel access mask calculationTrond Myklebust1-8/+23
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21net/sunrpc/xprt_sock: fix regression in connection error reporting.NeilBrown1-0/+2
Commit 3d4762639dd3 ("tcp: remove poll() flakes when receiving RST") in v4.12 changed the order in which ->sk_state_change() and ->sk_error_report() are called when a socket is shut down - sk_state_change() is now called first. This causes xs_tcp_state_change() -> xs_sock_mark_closed() -> xprt_disconnect_done() to wake all pending tasked with -EAGAIN. When the ->sk_error_report() callback arrives, it is too late to pass the error on, and it is lost. As easy way to demonstrate the problem caused is to try to start rpc.nfsd while rcpbind isn't running. nfsd will attempt a tcp connection to rpcbind. A ECONNREFUSED error is returned, but sunrpc code loses the error and keeps retrying. If it saw the ECONNREFUSED, it would abort. To fix this, handle the sk->sk_err in the TCP_CLOSE branch of xs_tcp_state_change(). Fixes: 3d4762639dd3 ("tcp: remove poll() flakes when receiving RST") Cc: stable@vger.kernel.org (v4.12) Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21nfs: count correct array for mnt3_counts array sizeEryu Guan1-1/+1
Array size of mnt3_counts should be the size of array mnt3_procedures, not mnt_procedures, though they're same in size right now. Found this by code inspection. Fixes: 1c5876ddbdb4 ("sunrpc: move p_count out of struct rpc_procinfo") Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <eguan@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21x86/devicetree: Convert to using %pOF instead of ->full_nameRob Herring1-2/+1
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each device node. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: devicetree@vger.kernel.org Link: http://lkml.kernel.org/r/20170718214339.7774-7-robh@kernel.org [ Clarify the error message while at it, as 'node' is ambiguous. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-21perf/x86/intel: Add proper condition to run sched_task callbacksJiri Olsa3-10/+14
We have 2 functions using the same sched_task callback: - PEBS drain for free running counters - LBR save/store Both of them are called from intel_pmu_sched_task() and either of them can be unwillingly triggered when the other one is configured to run. Let's say there's PEBS drain configured in sched_task callback for the event, but in the callback itself (intel_pmu_sched_task()) we will also run the code for LBR save/restore, which we did not ask for, but the code in intel_pmu_sched_task() does not check for that. This can lead to extra cycles in some perf monitoring, like when we monitor PEBS event without LBR data. # perf record --no-timestamp -c 10000 -e cycles:p ./perf bench sched pipe -l 1000000 (We need PEBS, non freq/non timestamp event to enable the sched_task callback) The perf stat of cycles and msr:write_msr for above command before the change: ... Performance counter stats for './perf record --no-timestamp -c 10000 -e cycles:p \ ./perf bench sched pipe -l 1000000' (5 runs): 18,519,557,441 cycles:k 91,195,527 msr:write_msr 29.334476406 seconds time elapsed And after the change: ... Performance counter stats for './perf record --no-timestamp -c 10000 -e cycles:p \ ./perf bench sched pipe -l 1000000' (5 runs): 18,704,973,540 cycles:k 27,184,720 msr:write_msr 16.977875900 seconds time elapsed There's no affect on cycles:k because the sched_task happens with events switched off, however the msr:write_msr tracepoint counter together with almost 50% of time speedup show the improvement. Monitoring LBR event and having extra PEBS drain processing in sched_task callback showed just a little speedup, because the drain function does not do much extra work in case there is no PEBS data. Adding conditions to recognize the configured work that needs to be done in the x86_pmu's sched_task callback. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20170719075247.GA27506@krava Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-21x86/platform/uv/BAU: Disable BAU on single hub configurationsAndrew Banman1-5/+18
The BAU confers no benefit to a UV system running with only one hub/socket. Permanently disable the BAU driver if there are less than two hubs online to avoid BAU overhead. We have observed failed boots on single-socket UV4 systems caused by BAU that are avoided with this patch. Also, while at it, consolidate initialization error blocks and fix a memory leak. Signed-off-by: Andrew Banman <abanman@hpe.com> Acked-by: Russ Anderson <rja@hpe.com> Acked-by: Mike Travis <mike.travis@hpe.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: tony.ernst@hpe.com Link: http://lkml.kernel.org/r/1500588351-78016-1-git-send-email-abanman@hpe.com [ Minor cleanups. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-21perf/core: Fix locking for children siblings group readJiri Olsa1-0/+5
We're missing ctx lock when iterating children siblings within the perf_read path for group reading. Following race and crash can happen: User space doing read syscall on event group leader: T1: perf_read lock event->ctx->mutex perf_read_group lock leader->child_mutex __perf_read_group_add(child) list_for_each_entry(sub, &leader->sibling_list, group_entry) ----> sub might be invalid at this point, because it could get removed via perf_event_exit_task_context in T2 Child exiting and cleaning up its events: T2: perf_event_exit_task_context lock ctx->mutex list_for_each_entry_safe(child_event, next, &child_ctx->event_list,... perf_event_exit_event(child) lock ctx->lock perf_group_detach(child) unlock ctx->lock ----> child is removed from sibling_list without any sync with T1 path above ... free_event(child) Before the child is removed from the leader's child_list, (and thus is omitted from perf_read_group processing), we need to ensure that perf_read_group touches child's siblings under its ctx->lock. Peter further notes: | One additional note; this bug got exposed by commit: | | ba5213ae6b88 ("perf/core: Correct event creation with PERF_FORMAT_GROUP") | | which made it possible to actually trigger this code-path. Tested-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: ba5213ae6b88 ("perf/core: Correct event creation with PERF_FORMAT_GROUP") Link: http://lkml.kernel.org/r/20170720141455.2106-1-jolsa@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-21ide: avoid warning for timings calculationArnd Bergmann1-9/+9
gcc-7 warns about the result of a constant multiplication used as a boolean: drivers/ide/ide-timings.c: In function 'ide_timing_quantize': drivers/ide/ide-timings.c:112:24: error: '*' in boolean context, suggest '&&' instead [-Werror=int-in-bool-context] q->setup = EZ(t->setup * 1000, T); This slightly rearranges the macro to simplify the code and avoid the warning at the same time. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-20net: bonding: Fix transmit load balancing in balance-alb modeKosuke Tatsukawa1-1/+1
balance-alb mode used to have transmit dynamic load balancing feature enabled by default. However, transmit dynamic load balancing no longer works in balance-alb after commit 8b426dc54cf4 ("bonding: remove hardcoded value"). Both balance-tlb and balance-alb use the function bond_do_alb_xmit() to send packets. This function uses the parameter tlb_dynamic_lb. tlb_dynamic_lb used to have the default value of 1 for balance-alb, but now the value is set to 0 except in balance-tlb. Re-enable transmit dyanmic load balancing by initializing tlb_dynamic_lb for balance-alb similar to balance-tlb. Fixes: 8b426dc54cf4 ("bonding: remove hardcoded value") Signed-off-by: Kosuke Tatsukawa <tatsu@ab.jp.nec.com> Acked-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-20rds: Make sure updates to cp_send_gen can be observedHåkon Bugge1-3/+3
cp->cp_send_gen is treated as a normal variable, although it may be used by different threads. This is fixed by using {READ,WRITE}_ONCE when it is incremented and READ_ONCE when it is read outside the {acquire,release}_in_xmit protection. Normative reference from the Linux-Kernel Memory Model: Loads from and stores to shared (but non-atomic) variables should be protected with the READ_ONCE(), WRITE_ONCE(), and ACCESS_ONCE(). Clause 5.1.2.4/25 in the C standard is also relevant. Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com> Reviewed-by: Knut Omang <knut.omang@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-20net: ethernet: ti: cpsw: Push the request_irq function to the end of probeKeerthy1-24/+25
Push the request_irq function to the end of probe so as to ensure all the required fields are populated in the event of an ISR getting executed right after requesting the irq. Currently while loading the crash kernel a crash was seen as soon as devm_request_threaded_irq was called. This was due to n->poll being NULL which is called as part of net_rx_action function. Suggested-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>