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2019-08-07Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()"Rob Herring4-12/+9
This reverts commit 220df83a5394fbf7c1486ba7848794b7b351d598. Turns out drm_gem_dumb_map_offset really only worked for the dumb buffer case, so revert the name change. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20190807145253.2037-2-sean@poorly.run
2019-08-07Revert "drm/panfrost: Use drm_gem_map_offset()"Rob Herring1-2/+14
This reverts commit 583bbf46133c726bae277e8f4e32bfba2a528c7f. Turns out we need mmap to work on imported BOs even if the current code is buggy. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20190807145253.2037-3-sean@poorly.run
2019-08-07drm/vgem: drop DRM_AUTH usage from the driverEmil Velikov1-2/+2
The authentication can be circumvented, by design, by using the render node. From the driver POV there is no distinction between primary and render nodes, thus we can drop the token. Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190527081741.14235-11-emil.l.velikov@gmail.com
2019-08-07drm/msm: drop DRM_AUTH usage from the driverEmil Velikov1-11/+11
The authentication can be circumvented, by design, by using the render node. From the driver POV there is no distinction between primary and render nodes, thus we can drop the token. Cc: Rob Clark <robdclark@gmail.com> Cc: Sean Paul <sean@poorly.run> Cc: freedreno@lists.freedesktop.org Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190527081741.14235-7-emil.l.velikov@gmail.com
2019-08-07drm/nouveau: remove open-coded drm_invalid_op()Emil Velikov3-8/+1
Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190522150219.13913-2-emil.l.velikov@gmail.com
2019-08-07Revert "drm/nouveau: remove open-coded drm_invalid_op()"Sean Paul3-1/+8
This reverts commit ccdae42575695ab442941310bd67c7ed1714e273. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-6-sean@poorly.run
2019-08-07Revert "drm/msm: drop DRM_AUTH usage from the driver"Sean Paul1-11/+11
This reverts commit 88209d2c5035737f96bcfc2fd73c0fd8d80e9bf1. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-5-sean@poorly.run
2019-08-07Revert "drm/vgem: drop DRM_AUTH usage from the driver"Sean Paul1-2/+2
This reverts commit e4eee93d25776da998ec2dfaabe7d2206598d26d. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-4-sean@poorly.run
2019-08-07Revert "Revert "drm/panfrost: Use drm_gem_map_offset()""Sean Paul1-14/+2
This reverts commit be855382bacb5ccfd24f9be6098d87acf4cfbb15. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-3-sean@poorly.run
2019-08-07Revert "Revert "drm/gem: Rename drm_gem_dumb_map_offset() to ↵Sean Paul4-9/+12
drm_gem_map_offset()"" This reverts commit 415d2e9e07574d3de63b8df77dc686e0ebf64865. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-2-sean@poorly.run
2019-08-07drm/sti: fix opencoded use of drm_panel_*Sam Ravnborg1-5/+3
Use the drm_panel_(enable|disable|get_modes) functions. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190804201637.1240-9-sam@ravnborg.org
2019-08-07dma-buf: simplify reservation_object_get_fences_rcu a bitChristian König1-10/+5
We can add the exclusive fence to the list after making sure we got a consistent state. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/322034/?series=64786&rev=1
2019-08-07drm/i915: stop using seqcount for fence pruningChristian König1-9/+5
After waiting for a reservation object use reservation_object_test_signaled_rcu to opportunistically prune the fences on the object. This allows removal of the seqcount handling in the reservation object. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/322032/?series=64786&rev=1
2019-08-07dma-buf: fix shared fence list handling in reservation_object_copy_fencesChristian König1-19/+46
Add some helpers to correctly allocate/free reservation_object_lists. Otherwise we might forget to drop dma_fence references on list destruction. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/322031/?series=64786&rev=1
2019-08-07dma-buf: fix busy wait for new shared fencesChristian König1-7/+7
When reservation_object_add_shared_fence is replacing an old fence with a new one we should not drop the old one before the new one is in place. Otherwise other cores can busy wait for the new one to appear. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/322030/
2019-08-06drm/crc-debugfs: Add notes about CRC<->commit interactionsBrian Starkey2-0/+13
CRC generation can be impacted by commits coming from userspace, and enabling CRC generation may itself trigger a commit. Add notes about this to the kerneldoc. Changes since v1: - Clarified that anything that would disable CRCs counts as a full modeset, and so userspace needs to reconfigure after full modesets Changes since v2: - Add these notes - Rebase onto drm-misc-next (trivial conflict in comment) Signed-off-by: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link:- https://patchwork.freedesktop.org/patch/321974/
2019-08-06drm/hdcp: reference for srm file formatRamalingam C1-0/+7
In the kernel documentation, HDCP specifications links are shared as a reference for SRM table format. v2: Fixed small nits. [Shashank] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320968/?series=57232&rev=14
2019-08-06drm/i915: update the hdcp state with ueventRamalingam C1-5/+3
drm function to update the content protection property state and to generate a uevent is invoked from the intel hdcp property work. Hence whenever kernel changes the property state, userspace will be updated with a uevent. v2: state update is moved into drm function [daniel] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320965/?series=57232&rev=14
2019-08-06drm/hdcp: update content protection property with ueventRamalingam C3-4/+49
drm function is defined and exported to update a connector's content protection property state and to generate a uevent along with it. Pekka have completed the Weston DRM-backend review in https://gitlab.freedesktop.org/wayland/weston/merge_requests/48 and the UAPI for HDCP 2.2 looks good. The userspace is accepted in Weston. v2: Update only when state is different from old one. v3: KDoc is added [Daniel] v4: KDoc is extended bit more [pekka] v5: Uevent usage is documented at kdoc of "Content Protection" also [pekka] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320963/?series=57232&rev=14
2019-08-06drm: uevent for connector status changeRamalingam C2-1/+39
DRM API for generating uevent for a status changes of connector's property. This uevent will have following details related to the status change: HOTPLUG=1, CONNECTOR=<connector_id> and PROPERTY=<property_id> Pekka have completed the Weston DRM-backend review in https://gitlab.freedesktop.org/wayland/weston/merge_requests/48 and the UAPI for HDCP 2.2 looks good. The userspace is accepted in Weston. v2: Minor fixes at KDoc comments [Daniel] v3: Check the property is really attached with connector [Daniel] v4: Typos and string length suggestions are addressed [Sean] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <sean@poorly.run> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320961/?series=57232&rev=14
2019-08-06drm/i915: Attach content type propertyRamalingam C3-22/+62
Attaches the content type property for HDCP2.2 capable connectors. Implements the update of content type from property and apply the restriction on HDCP version selection. Need ACK for content type property from userspace consumer. v2: s/cp_content_type/content_protection_type [daniel] disable at hdcp_atomic_check to avoid check at atomic_set_property [Maarten] v3: s/content_protection_type/hdcp_content_type [Pekka] v4: hdcp disable incase of type change is moved into commit [daniel]. v5: Simplified the Type change procedure. [Daniel] v6: Type change with UNDESIRED state is ignored. Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320959/?series=57232&rev=14
2019-08-06drm: Add Content protection type propertyRamalingam C7-3/+112
This patch adds a DRM ENUM property to the selected connectors. This property is used for mentioning the protected content's type from userspace to kernel HDCP authentication. Type of the stream is decided by the protected content providers. Type 0 content can be rendered on any HDCP protected display wires. But Type 1 content can be rendered only on HDCP2.2 protected paths. So when a userspace sets this property to Type 1 and starts the HDCP enable, kernel will honour it only if HDCP2.2 authentication is through for type 1. Else HDCP enable will be failed. Pekka have completed the Weston DRM-backend review in https://gitlab.freedesktop.org/wayland/weston/merge_requests/48 and the UAPI for HDCP 2.2 looks good. The userspace is accepted in Weston. v2: cp_content_type is replaced with content_protection_type [daniel] check at atomic_set_property is removed [Maarten] v3: %s/content_protection_type/hdcp_content_type [Pekka] v4: property is created for the first requested connector and then reused. [Danvet] v5: kernel doc nits addressed [Daniel] Rebased as part of patch reordering. v6: Kernel docs are modified [pekka] v7: More details in Kernel docs. [pekka] v8: Few more clarification into kernel doc of content type [pekka] v9: Small fixes in coding style. v10: Moving DRM_MODE_HDCP_CONTENT_TYPEx definition to drm_hdcp.h [pekka] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320957/?series=57232&rev=14
2019-08-06drm/bochs: Use dev_get_drvdataChuhong Yuan1-4/+2
Instead of using to_pci_dev + pci_get_drvdata, use dev_get_drvdata to make code simpler. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190723101103.30250-1-hslester96@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-06drm/qxl: Use dev_get_drvdata where possibleChuhong Yuan1-4/+2
Instead of using to_pci_dev + pci_get_drvdata, use dev_get_drvdata to make code simpler. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190723103959.4078-1-hslester96@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-06drm/ttm: drop ttm_buffer_object->resvGerd Hoffmann2-3/+0
All users moved to ttm_buffer_object->base.resv Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-18-kraxel@redhat.com
2019-08-06drm/virtio: switch driver from bo->resv to bo->base.resvGerd Hoffmann2-3/+3
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-17-kraxel@redhat.com
2019-08-06drm/qxl: switch driver from bo->resv to bo->base.resvGerd Hoffmann2-4/+4
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-16-kraxel@redhat.com
2019-08-06drm/nouveau: switch driver from bo->resv to bo->base.resvGerd Hoffmann4-6/+5
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-15-kraxel@redhat.com
2019-08-06drm/amdgpu: switch driver from bo->resv to bo->base.resvGerd Hoffmann13-49/+47
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-14-kraxel@redhat.com
2019-08-06drm/vmwgfx: switch driver from bo->resv to bo->base.resvGerd Hoffmann4-11/+11
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-13-kraxel@redhat.com
2019-08-06drm/radeon: switch driver from bo->resv to bo->base.resvGerd Hoffmann10-22/+21
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-12-kraxel@redhat.com
2019-08-06drm/ttm: switch ttm core from bo->resv to bo->base.resvGerd Hoffmann6-77/+77
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-11-kraxel@redhat.com
2019-08-06drm/ttm: set both resv and base.resv pointersGerd Hoffmann1-0/+2
Initialize both ttm_buffer_object->resv and ttm_buffer_object->base.resv pointers. This allows to move users from the former to the latter. When all users are moved we can drop ttm_buffer_object->resv. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-10-kraxel@redhat.com
2019-08-06drm/ttm: use gem vma_nodeGerd Hoffmann14-27/+21
Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-9-kraxel@redhat.com
2019-08-06drm/ttm: use gem reservation objectGerd Hoffmann3-18/+24
Drop ttm_resv from ttm_buffer_object, use the gem reservation object (base._resv) instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-8-kraxel@redhat.com
2019-08-06drm/nouveau: use embedded gem objectGerd Hoffmann7-24/+20
Drop drm_gem_object from nouveau_bo, use the ttm_buffer_object.base instead. Build tested only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-7-kraxel@redhat.com
2019-08-06drm/amdgpu: use embedded gem objectGerd Hoffmann6-13/+12
Drop drm_gem_object from amdgpu_bo, use the ttm_buffer_object.base instead. Build tested only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-6-kraxel@redhat.com
2019-08-06drm/radeon: use embedded gem objectGerd Hoffmann7-16/+15
Drop drm_gem_object from radeon_bo, use the ttm_buffer_object.base instead. Build tested only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-5-kraxel@redhat.com
2019-08-06drm/qxl: use embedded gem objectGerd Hoffmann9-26/+26
Drop drm_gem_object from qxl_bo, use the ttm_buffer_object.base instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-4-kraxel@redhat.com
2019-08-06drm/vram: use embedded gem objectGerd Hoffmann5-14/+13
Drop drm_gem_object from drm_gem_vram_object, use the ttm_buffer_object.base instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-3-kraxel@redhat.com
2019-08-06drm/ttm: add gem base objectGerd Hoffmann1-0/+23
Add drm_gem_object struct to ttm_buffer_object, so ttm objects are a gdm object superclass. Add a function to check whenever a given bo actually uses the embedded drm_gem_object. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-2-kraxel@redhat.com
2019-08-05backlight: drop EARLY_EVENT_BLANK supportSam Ravnborg4-33/+1
There was no users left - so drop the code to support EARLY_EVENT_BLANK. This patch removes the support in backlight, and drop the notifier in fbmem. That EARLY_EVENT_BLANK is not used can be verified that no driver set any of: lcd_ops.early_set_power() lcd_ops.r_early_set_power() Noticed while browsing backlight code for other reasons. v2: - Fix changelog to say "EARLY_EVENT_BLANK" (Daniel) Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Lee Jones <lee.jones@linaro.org> Cc: Daniel Thompson <daniel.thompson@linaro.org> Cc: Jingoo Han <jingoohan1@gmail.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Cc: Peter Rosin <peda@axentia.se> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Lee Jones <lee.jones@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190725143224.GB31803@ravnborg.org
2019-08-05drm/bridge/parade: Drop legacy GPIO headerLinus Walleij1-1/+0
This driver uses the new GPIO API from <linux/gpio/consumer.h> so drop the inclusion of the legacy header. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190708113154.12985-1-linus.walleij@linaro.org
2019-08-05drm/bridge/nxp-ptn3460: Drop legacy GPIO headersLinus Walleij1-3/+0
This driver uses exclusively the new GPIO API from <linux/gpio/consumer.h> so just drop the old API headers. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190708113009.12723-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-05drm/bridge/megachips: Drop GPIO headerLinus Walleij1-1/+0
This file isn't using any interfaces from <linux/gpio.h> so just drop the include. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190708112803.12432-1-linus.walleij@linaro.org
2019-08-05drm/pl111: Fix unused variable warningShaokun Zhang1-1/+0
drivers/gpu/drm/pl111/pl111_display.c: In function ‘pl111_display_init’: drivers/gpu/drm/pl111/pl111_display.c:551:17: warning: unused variable ‘dev’ [-Wunused-variable] struct device *dev = drm->dev; ^ Fixes: d6781e490179 ("drm/pl111: Drop special pads config check") Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Eric Anholt <eric@anholt.net> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1564996456-55677-1-git-send-email-zhangshaokun@hisilicon.com
2019-08-05dma-buf: fix stack corruption in dma_fence_chain_releaseChristian König1-1/+23
We can't free up the chain using recursion or we run into a stack overflow. Manually free up the dangling chain nodes to avoid recursion. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes: 7bf60c52e093 ("dma-buf: add new dma_fence_chain container v7") Link: https://patchwork.freedesktop.org/patch/321612/
2019-08-05dma-buf: add more reservation object locking wrappersChristian König16-40/+100
Complete the abstraction of the ww_mutex inside the reservation object. This allows us to add more handling and debugging to the reservation object in the future. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/320761/
2019-08-03drm/vblank: drop use of DRM_WAIT_ON()Sam Ravnborg1-5/+20
DRM_WAIT_ON() is from the deprecated drm_os_linux header and the modern replacement is the wait_event_*. The return values differ, so a conversion is needed to keep the original interface towards userspace. Introduced a switch/case to make code obvious. Analysis from Michel Dänzer: The waiting condition rely on all relevant places where vblank_count is modified calls wake_up(&vblank->queue). drm_handle_vblank(): - Calls wake_up(&vblank->queue) drm_vblank_enable(): - There is no need here because there can be no sleeping waiters in the queue, because vblank->enabled == false immediately terminates any waits. drm_crtc_accurate_vblank_count(): - This is called from interrupt handlers, at least from amdgpu_dm.c:dm_pflip_high_irq(). Not sure it needs to wake up the queue though, the driver should call drm_(crtc_)_handle_vblank anyway. drm_vblank_disable_and_save(): - It can be called from an interrupt, via drm_handle_vblank -> vblank_disable_fn. However, the only place where drm_vblank_disable_and_save can be called with sleeping waiters in the queue is in drm_crtc_vblank_off, which wakes up the queue afterwards (which terminates all waits, because vblank->enabled == false at this point). v3: - Added analysis to changelog from Michel Dänzer - Moved return result handling inside if (req_seq != seq) (Daniel V) - Reused more of the former logic - resulting in simpler code - Dropped Reviewed-by from Sean Paul as this is a new implementation v2: - Fix so the case where req_seq equals seq was handled properly - quick hack to check if IGT became happy - Only sent to igt, not to dri-devel Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Cc: Sean Paul <sean@poorly.run> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190726210658.GA6299@ravnborg.org
2019-08-03drm/pl111: Drop special pads config checkLinus Walleij1-16/+0
This drops the check of the surplus "pads" configuration from the device tree that is completely unused in the DRM driver. This was only used to work around limitations in the earlier fbdev driver. Cc: Pawel Moll <pawel.moll@arm.com> Cc: Liviu Dudau <Liviu.Dudau@arm.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190724134959.2365-2-linus.walleij@linaro.org
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