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2021-08-30drm/sched: Split drm_sched_job_initDaniel Vetter11-22/+93
This is a very confusingly named function, because not just does it init an object, it arms it and provides a point of no return for pushing a job into the scheduler. It would be nice if that's a bit clearer in the interface. But the real reason is that I want to push the dependency tracking helpers into the scheduler code, and that means drm_sched_job_init must be called a lot earlier, without arming the job. v2: - don't change .gitignore (Steven) - don't forget v3d (Emma) v3: Emma noticed that I leak the memory allocated in drm_sched_job_init if we bail out before the point of no return in subsequent driver patches. To be able to fix this change drm_sched_job_cleanup() so it can handle being called both before and after drm_sched_job_arm(). Also improve the kerneldoc for this. v4: - Fix the drm_sched_job_cleanup logic, I inverted the booleans, as usual (Melissa) - Christian pointed out that drm_sched_entity_select_rq() also needs to be moved into drm_sched_job_arm, which made me realize that the job->id definitely needs to be moved too. Shuffle things to fit between job_init and job_arm. v5: Reshuffle the split between init/arm once more, amdgpu abuses drm_sched.ready to signal gpu reset failures. Also document this somewhat. (Christian) v6: Rebase on top of the msm drm/sched support. Note that the drm_sched_job_init() call is completely misplaced, and hence also the split-out drm_sched_entity_push_job(). I've put in a FIXME which the next patch will address. v7: Drop the FIXME in msm, after discussions with Rob I agree it shouldn't be a problem where it is now. Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Melissa Wen <mwen@igalia.com> Cc: Melissa Wen <melissa.srw@gmail.com> Acked-by: Emma Anholt <emma@anholt.net> Acked-by: Steven Price <steven.price@arm.com> (v2) Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> (v5) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Russell King <linux+etnaviv@armlinux.org.uk> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Qiang Yu <yuq825@gmail.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Adam Borowski <kilobyte@angband.pl> Cc: Nick Terrell <terrelln@fb.com> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Paul Menzel <pmenzel@molgen.mpg.de> Cc: Sami Tolvanen <samitolvanen@google.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Nirmoy Das <nirmoy.das@amd.com> Cc: Deepak R Varma <mh12gx2825@gmail.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: Chen Li <chenli@uniontech.com> Cc: Luben Tuikov <luben.tuikov@amd.com> Cc: "Marek Olšák" <marek.olsak@amd.com> Cc: Dennis Li <Dennis.Li@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Cc: Sonny Jiang <sonny.jiang@amd.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Tian Tao <tiantao6@hisilicon.com> Cc: etnaviv@lists.freedesktop.org Cc: lima@lists.freedesktop.org Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: Emma Anholt <emma@anholt.net> Cc: Rob Clark <robdclark@gmail.com> Cc: Sean Paul <sean@poorly.run> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20210817084917.3555822-1-daniel.vetter@ffwll.ch
2021-08-29drm/plane: Fix comment typoAlyssa Rosenzweig1-1/+1
Minor typofix noticed when reading the KMS documentation. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210829160401.4588-1-alyssa@rosenzweig.io
2021-08-28GPU: drm: fix style errorsF.A.Sulaiman1-3/+3
This patch fixes style issues in drm_ioctl.c Signed-off-by: F.A.Sulaiman <asha.16@itfac.mrt.ac.lk> Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210828123942.1556-1-asha.16@itfac.mrt.ac.lk
2021-08-27drm/ttm: optimize the pool shrinker a bit v2Christian König1-18/+22
Switch back to using a spinlock again by moving the IOMMU unmap outside of the locked region. This avoids contention especially while freeing pages. v2: Add a comment explaining why we need sync_shrinkers(). Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210820120528.81114-3-christian.koenig@amd.com
2021-08-27mm/vmscan: add sync_shrinkers function v3Christian König2-0/+16
While unplugging a device the TTM shrinker implementation needs a barrier to make sure that all concurrent shrink operations are done and no other CPU is referring to a device specific pool any more. Taking and releasing the shrinker semaphore on the write side after unmapping and freeing all pages from the device pool should make sure that no shrinker is running in paralell. This allows us to avoid the contented mutex in the TTM pool implementation for every alloc/free operation. v2: rework the commit message to make clear why we need this v3: rename the function and add more doc as suggested by Daniel Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210820120528.81114-2-christian.koenig@amd.com
2021-08-26drm/bridge: parade-ps8640: Reorg the macrosPhilip Chen1-8/+10
Reorg the macros as follows: (1) Group the registers on the same page together. (2) Group the register and its bit operation together while indenting the macros of the bit operation with one space. Also fix a misnomer for the number of mipi data lanes. Signed-off-by: Philip Chen <philipchen@chromium.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210824181140.v2.1.I8ead7431357409f2526e5739ec5bc3ddfd242243@changeid
2021-08-26drm: omap: remove obsolete selection of OMAP2_DSS in config DRM_OMAPLukas Bulwahn1-1/+0
Commit 55b68fb856b5 ("drm/omap: squash omapdrm sub-modules into one") removes the config OMAP2_DSS in ./drivers/gpu/drm/omapdrm/dss/Kconfig, while moving the other configs into./drivers/gpu/drm/omapdrm/Kconfig, but misses to remove an obsolete selection of OMAP2_DSS in config DRM_OMAP. Hence, ./scripts/checkkconfigsymbols.py warns: OMAP2_DSS Referencing files: drivers/gpu/drm/omapdrm/Kconfig Remove this reference in an obsolete selection. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210819112253.16484-6-lukas.bulwahn@gmail.com
2021-08-26drm: zte: remove obsolete DRM Support for ZTE SoCsLukas Bulwahn19-3962/+0
Commit 89d4f98ae90d ("ARM: remove zte zx platform") removes the config ARCH_ZX. So, since then, the DRM Support for ZTE SoCs (config DRM_ZTE) depends on this removed config ARCH_ZX and cannot be selected. Fortunately, ./scripts/checkkconfigsymbols.py detects this and warns: ARCH_ZX Referencing files: drivers/gpu/drm/zte/Kconfig So, remove this obsolete DRM support. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210819112253.16484-5-lukas.bulwahn@gmail.com
2021-08-26drm: v3d: correct reference to config ARCH_BRCMSTBLukas Bulwahn1-1/+1
Commit 57692c94dcbe ("drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+") adds the config DRM_V3D, which depends on "ARCH_BCMSTB". Although, a bit confusing: all Broadcom architectures in ./arch/arm/mach-bcm/Kconfig have the prefix "ARCH_BCM", except for ARCH_BRCMSTB, i.e., the config for Broadcom BCM7XXX based boards. So, correct the reference ARCH_BCMSTB to the intended ARCH_BRCMSTB. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210819112253.16484-4-lukas.bulwahn@gmail.com
2021-08-26drm: rockchip: remove reference to non-existing config DRM_RGBLukas Bulwahn1-1/+0
commit 1f0f01515172 ("drm/rockchip: Add support for Rockchip Soc RGB output interface") accidently adds to select the non-existing config DRM_RGB in ./drivers/gpu/drm/rockchip/Kconfig. Luckily, ./scripts/checkkconfigsymbols.py warns on non-existing configs: DRM_RGB Referencing files: drivers/gpu/drm/rockchip/Kconfig So, remove the reference to the non-existing config DRM_RGB. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210819112253.16484-2-lukas.bulwahn@gmail.com
2021-08-26drm/panfrost: Use upper/lower_32_bits helpersAlyssa Rosenzweig3-12/+12
Use upper_32_bits/lower_32_bits helpers instead of open-coding them. This is easier to scan quickly compared to bitwise manipulation, and it is pleasingly symmetric. I noticed this when debugging lock_region, which had a particularly "creative" way of writing upper_32_bits. v2: Use helpers for one more call site and add review tag (Steven). Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org> (v1) Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210825153348.4980-1-alyssa.rosenzweig@collabora.com
2021-08-26Merge tag 'drm-misc-intel-oob-hotplug-v1' of ↵Maxime Ripard6-35/+217
git://git.kernel.org/pub/scm/linux/kernel/git/hansg/linux into drm-misc-next Topic branch for drm-misc / drm-intel for OOB hotplug support for Type-C connectors Signed-off-by: Maxime Ripard <maxime@cerno.tech> # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmEf5msUHGhkZWdvZWRl # QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9xUFQgAtBkpLk/oBn6uRcIXCc8KIGs5NqWG # orVB7c1Ilsd8jdsap6uD2fVVlS7fn5I6hkiyjdRz5A96aLxkF7oCGLATmxGtYd1k # lZTUOLXGdl2ye798vuwaO8UzpN7s2yiIaI44GCGLT5Qwrpq9D1tykY3ggXH/03t2 # Z8xOB+XLKbcibnWVQL/4Fz+cQ3KzJ8lo10oiZ131b1ytwf/zdKx0fA3yrPA9C0Kv # V3dbWxYMWfkO+IUieZgMzl2LrbChp8fC6zmPJYdvlpB7AZXrOKD+4K8JdlKPMZNE # hi5xF4X1tPeTiOo1jju5JN2hnjsc30JuBLemDcV7CLeL01Y4VLdAwHPwyw== # =Zar+ # -----END PGP SIGNATURE----- # gpg: Signature made Fri 20 Aug 2021 07:29:15 PM CEST # gpg: using RSA key BAF03B5D2718411A5E9E177E92EC4779440327DC # gpg: issuer "hdegoede@redhat.com" # gpg: Can't check signature: No public key From: Hans de Goede <hdegoede@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/34f13e21-9b1a-5f54-7e03-9705a6b51428@redhat.com
2021-08-23dt-bindings: panel: ili9341: correct indentationKrzysztof Kozlowski1-1/+1
Correct indentation warning: ilitek,ili9341.yaml:25:9: [warning] wrong indentation: expected 10 but found 8 (indentation) Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210819101020.26368-1-krzysztof.kozlowski@canonical.com
2021-08-23drm/r128: switch from 'pci_' to 'dma_' APIChristophe JAILLET1-5/+6
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below. It has been compile tested. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/46ccdd7bffdba1273a1ebb3d6cd2fbe186e0795a.1629667572.git.christophe.jaillet@wanadoo.fr
2021-08-23drm/ttm: remove ttm_tt_destroy_common v2Christian König11-27/+7
Move the functionality into ttm_tt_fini and ttm_bo_tt_destroy instead. We don't need this any more since we removed the unbind from the destroy code paths in the drivers. Also add a warning to ttm_tt_fini() if we try to fini a still populated TT object. v2: instead of reverting the patch move the functionality to different places. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210728130552.2074-5-christian.koenig@amd.com
2021-08-23drm/radeon: unbind in radeon_ttm_tt_unpopulate()Christian König1-3/+2
Doing this in radeon_ttm_tt_destroy() is to late. It turned out that this is not a good idea at all because it leaves pointers to freed up system memory pages in the GART tables of the drivers. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210728130552.2074-4-christian.koenig@amd.com
2021-08-23drm/nouveau: unbind in nouveau_ttm_tt_unpopulateChristian König2-2/+2
Doing this in nouveau_ttm_tt_destroy()/nouveau_sgdma_destroy() is to late. It turned out that this is not a good idea at all because it leaves pointers to freed up system memory pages in the GART tables of the drivers. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210728130552.2074-3-christian.koenig@amd.com
2021-08-23drm/amdgpu: unbind in amdgpu_ttm_tt_unpopulateChristian König1-1/+2
Doing this in amdgpu_ttm_backend_destroy() is to late. It turned out that this is not a good idea at all because it leaves pointers to freed up system memory pages in the GART tables of the drivers. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210728130552.2074-2-christian.koenig@amd.com
2021-08-23drm/vmwgfx: unbind in vmw_ttm_unpopulateChristian König1-6/+3
Doing this in vmw_ttm_destroy() is to late. It turned out that this is not a good idea at all because it leaves pointers to freed up system memory pages in the GART tables of the drivers. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210728130552.2074-1-christian.koenig@amd.com
2021-08-20usb: typec: altmodes/displayport: Notify drm subsys of hotplug eventsHans de Goede2-0/+24
Use the new drm_connector_oob_hotplug_event() functions to let drm/kms drivers know about DisplayPort over Type-C hotplug events. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-9-hdegoede@redhat.com
2021-08-20usb: typec: altmodes/displayport: Make dp_altmode_notify() more genericHans de Goede1-22/+13
Make dp_altmode_notify() handle the dp->data.conf == 0 case too, rather then having separate code-paths for this in various places which call it. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-8-hdegoede@redhat.com
2021-08-20drm/connector: Add support for out-of-band hotplug notification (v3)Hans de Goede2-0/+36
Add a new drm_connector_oob_hotplug_event() function and oob_hotplug_event drm_connector_funcs member. On some hardware a hotplug event notification may come from outside the display driver / device. An example of this is some USB Type-C setups where the hardware muxes the DisplayPort data and aux-lines but does not pass the altmode HPD status bit to the GPU's DP HPD pin. In cases like this the new drm_connector_oob_hotplug_event() function can be used to report these out-of-band events. Changes in v2: - Make drm_connector_oob_hotplug_event() take a fwnode as argument and have it call drm_connector_find_by_fwnode() internally. This allows making drm_connector_find_by_fwnode() a drm-internal function and avoids code outside the drm subsystem potentially holding on the a drm_connector reference for a longer period. Changes in v3: - Drop the data argument to the drm_connector_oob_hotplug_event function since it is not used atm. This can be re-added later when a use for it actually arises. Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-5-hdegoede@redhat.com
2021-08-20drm/connector: Add drm_connector_find_by_fwnode() function (v3)Hans de Goede3-0/+60
Add a function to find a connector based on a fwnode. This will be used by the new drm_connector_oob_hotplug_event() function which is added by the next patch in this patch-set. Changes in v2: - Complete rewrite to use a global connector list in drm_connector.c rather then using a class-dev-iter in drm_sysfs.c Changes in v3: - Add forward declaration for struct fwnode_handle to drm_crtc_internal.h (fixes warning reported by kernel test robot <lkp@intel.com>) Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-4-hdegoede@redhat.com
2021-08-20drm/connector: Add a fwnode pointer to drm_connector and register with ACPI (v2)Hans de Goede3-0/+47
Add a fwnode pointer to struct drm_connector and register an acpi_bus_type for the connectors with the ACPI subsystem (when CONFIG_ACPI is enabled). The adding of the fwnode pointer allows drivers to associate a fwnode that represents a connector with that connector. When the new fwnode pointer points to an ACPI-companion, then the new acpi_bus_type will cause the ACPI subsys to bind the device instantiated for the connector with the fwnode by calling acpi_bind_one(). This will result in a firmware_node symlink under /sys/class/card#-<connecter-name>/ which helps to verify that the fwnode-s and connectors are properly matched. Changes in v2: - Make drm_connector_cleanup() call fwnode_handle_put() on connector->fwnode and document this Co-developed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-3-hdegoede@redhat.com
2021-08-20drm/connector: Give connector sysfs devices there own device_typeHans de Goede1-13/+37
Give connector sysfs devices there own device_type, this allows us to check if a device passed to functions dealing with generic devices is a drm_connector or not. A check like this is necessary in the drm_connector_acpi_bus_match() function added in the next patch in this series. Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20210817215201.795062-2-hdegoede@redhat.com
2021-08-18drm/bridge: anx7625: Propagate errors from sp_tx_edid_read()Robert Foss1-4/+10
During the sp_tx_edid_read() call the return value of sp_tx_edid_read() is ignored, which could cause potential errors to go unhandled. All errors which are returned by sp_tx_edid_read() are handled in anx7625_get_edid(). Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210818171318.1848272-2-robert.foss@linaro.org
2021-08-18drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()Robert Foss1-4/+8
The return value of sp_tx_rst_aux() is not propagated, which means both compiler warnings and potential errors not being handled. Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP") Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210818171318.1848272-1-robert.foss@linaro.org
2021-08-18drm: Remove unused code to load the non-existing fbcon.koJavier Martinez Canillas1-11/+0
Commit 6104c37094e7 ("fbcon: Make fbcon a built-time depency for fbdev") changed the FRAMEBUFFER_CONSOLE Kconfig symbol from tristate to bool. But the drm_kms_helper_init() function still attempts to load the fbcon module, even when this is always built-in since the mentioned change. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210818120948.451896-1-javierm@redhat.com
2021-08-17drm: panel-orientation-quirks: Add quirk for the Chuwi Hi10 ProHans de Goede1-0/+6
The Chuwi Hi10 Pro uses a panel which has been mounted 90 degrees rotated. Add a quirk for this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210530110428.12994-5-hdegoede@redhat.com
2021-08-17drm: panel-orientation-quirks: Add quirk for the Samsung Galaxy Book 10.6Hans de Goede1-0/+12
The Samsung Galaxy Book 10.6 uses a panel which has been mounted 90 degrees rotated. Add a quirk for this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210530110428.12994-4-hdegoede@redhat.com
2021-08-17drm: panel-orientation-quirks: Add quirk for KD Kurio Smart C15200 2-in-1Hans de Goede1-0/+7
The KD Kurio Smart C15200 2-in-1 uses a panel which has been mounted 90 degrees rotated. Add a quirk for this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210530110428.12994-3-hdegoede@redhat.com
2021-08-17drm: panel-orientation-quirks: Update the Lenovo Ideapad D330 quirk (v2)Hans de Goede1-2/+7
2 improvements to the Lenovo Ideapad D330 panel-orientation quirks: 1. Some versions of the Lenovo Ideapad D330 have a DMI_PRODUCT_NAME of "81H3" and others have "81MD". Testing has shown that the "81MD" also has a 90 degree mounted panel. Drop the DMI_PRODUCT_NAME from the existing quirk so that the existing quirk matches both variants. 2. Some of the Lenovo Ideapad D330 models have a HD (800x1280) screen instead of a FHD (1200x1920) screen (both are mounted right-side-up) add a second Lenovo Ideapad D330 quirk for the HD version. Changes in v2: - Add a new quirk for Lenovo Ideapad D330 models with a HD screen instead of a FHD screen Link: https://github.com/systemd/systemd/pull/18884 Acked-by: Simon Ser <contact@emersion.fr> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210530110428.12994-2-hdegoede@redhat.com
2021-08-16drm/virtio: support mapping exported vramDavid Stevens3-2/+99
Implement virtgpu specific map_dma_buf callback to support mapping exported vram object dma-bufs. The dma-buf callback is used directly, as vram objects don't have backing pages and thus can't implement the drm_gem_object_funcs.get_sg_table callback. Signed-off-by: David Stevens <stevensd@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20210813005441.608293-1-stevensd@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-16dma-buf: WARN on dmabuf release with pending attachmentsCharan Teja Reddy1-0/+1
It is expected from the clients to follow the below steps on an imported dmabuf fd: a) dmabuf = dma_buf_get(fd) // Get the dmabuf from fd b) dma_buf_attach(dmabuf); // Clients attach to the dmabuf o Here the kernel does some slab allocations, say for dma_buf_attachment and may be some other slab allocation in the dmabuf->ops->attach(). c) Client may need to do dma_buf_map_attachment(). d) Accordingly dma_buf_unmap_attachment() should be called. e) dma_buf_detach () // Clients detach to the dmabuf. o Here the slab allocations made in b) are freed. f) dma_buf_put(dmabuf) // Can free the dmabuf if it is the last reference. Now say an erroneous client failed at step c) above thus it directly called dma_buf_put(), step f) above. Considering that it may be the last reference to the dmabuf, buffer will be freed with pending attachments left to the dmabuf which can show up as the 'memory leak'. This should at least be reported as the WARN(). Signed-off-by: Charan Teja Reddy <charante@codeaurora.org> Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/1627043468-16381-1-git-send-email-charante@codeaurora.org Signed-off-by: Christian König <christian.koenig@amd.com>
2021-08-16dma-buf: nuke seqno-fenceChristian König3-181/+1
Entirely unused. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210729070330.41443-1-christian.koenig@amd.com
2021-08-16drm/tegra: Use fourcc_mod_is_vendor() helperThierry Reding2-2/+2
Rather than open-coding the vendor extraction operation, use the newly introduced helper macro. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210610111236.3814211-3-thierry.reding@gmail.com
2021-08-16drm/arm: malidp: Use fourcc_mod_is_vendor() helperThierry Reding1-1/+1
Rather than open-coding the vendor extraction operation, use the newly introduced helper macro. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210610111236.3814211-2-thierry.reding@gmail.com
2021-08-16drm/fourcc: Add macros to determine the modifier vendorThierry Reding1-0/+6
When working with framebuffer modifiers, it can be useful to extract the vendor identifier or check a modifier against a given vendor identifier. Add one macro that extracts the vendor identifier and a helper to check a modifier against a given vendor identifier. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Daniel Stone <daniels@collabora.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210610111236.3814211-1-thierry.reding@gmail.com
2021-08-13drm: unexport drm_ioctl_permitDesmond Cheong Zhi Xi2-15/+1
Since the last user of drm_ioctl_permit was removed, and it's now only used in drm_ioctl.c, unexport the symbol. Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210813085450.32494-3-desmondcheongzx@gmail.com
2021-08-13drm/panel: s6d27a1: Add driver for Samsung S6D27A1 display panelMarkuss Broks4-0/+338
This adds a driver for Samsung S6D27A1 display controller and panel. This panel is found in the Samsung GT-I8160 mobile phone, and possibly some other mobile phones. This display needs manufacturer commands to configure it; the commands used in this driver were taken from downstream driver by Gareth Phillips; sadly, there is almost no documentation on what they actually do. This driver re-uses the DBI infrastructure to communicate with the display. This driver is heavily based on WideChips WS2401 display controller driver by Linus Walleij and on other panel drivers for reference. Signed-off-by: Markuss Broks <markuss.broks@gmail.com> [Up reset out time to 120 ms] Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210807133111.5935-3-markuss.broks@gmail.com
2021-08-13drm/panel: Add DT bindings for Samsung S6D27A1 display panelMarkuss Broks1-0/+98
This adds device-tree bindings for the Samsung S6D27A1 RGB DPI display panel. Signed-off-by: Markuss Broks <markuss.broks@gmail.com> v1 -> v2: changed additionalProperties to unevaluatedProperties; added vci-supply and vccio-supply as required; Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210807133111.5935-2-markuss.broks@gmail.com
2021-08-12drm/vgem: use shmem helpersDaniel Vetter2-331/+16
Aside from deleting lots of code the real motivation here is to switch the mmap over to VM_PFNMAP, to be more consistent with what real gpu drivers do. They're all VM_PFNMAP, which means get_user_pages doesn't work, and even if you try and there's a struct page behind that, touching it and mucking around with its refcount can upset drivers real bad. v2: Review from Thomas: - sort #include - drop more dead code that I didn't spot somehow v3: select DRM_GEM_SHMEM_HELPER to make it build (intel-gfx-ci) v4: I got tricked by 0cf2ef46c6c0 ("drm/shmem-helper: Use cached mappings by default"), and we need WC in vgem because vgem doesn't have explicit begin/end cpu access ioctls. Also add a comment why exactly vgem has to use wc. v5: Don't set obj->base.funcs, it will default to drm_gem_shmem_funcs (Thomas) v6: vgem also needs an MMU for remapping v7: I absolutely butchered the rebases over the vgem mmap change and revert and broke the patch. Actually go back to v6 from before the vgem mmap changes. Cc: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Melissa Wen <melissa.srw@gmail.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20210812131412.2487363-4-daniel.vetter@ffwll.ch
2021-08-12drm/shmem-helpers: Allocate wc pages on x86Daniel Vetter1-0/+19
intel-gfx-ci realized that something is not quite coherent anymore on some platforms for our i915+vgem tests, when I tried to switch vgem over to shmem helpers. After lots of head-scratching I realized that I've removed calls to drm_clflush. And we need those. To make this a bit cleaner use the same page allocation tooling as ttm, which does internally clflush (and more, as neeeded on any platform instead of just the intel x86 cpus i915 can be combined with). Unfortunately this doesn't exist on arm, or as a generic feature. For that I think only the dma-api can get at wc memory reliably, so maybe we'd need some kind of GFP_WC flag to do this properly. v2: Add a TODO comment about what should be done to support this in other places (Thomas) Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Christian König <christian.koenig@amd.com> Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210812131412.2487363-3-daniel.vetter@ffwll.ch
2021-08-12drm/shmem-helper: Switch to vmf_insert_pfnDaniel Vetter5-6/+7
We want to stop gup, which isn't the case if we use vmf_insert_page and VM_MIXEDMAP, because that does not set pte_special. The motivation here is to stop get_user_pages from working on buffer object mmaps in general. Quoting some discussion with Thomas: On Thu, Jul 22, 2021 at 08:22:43PM +0200, Thomas Zimmermann wrote: > Am 13.07.21 um 22:51 schrieb Daniel Vetter: > > We want to stop gup, which isn't the case if we use vmf_insert_page > > What is gup? get_user_pages. It pins memory wherever it is, which badly wreaks at least ttm and could also cause trouble with cma allocations. In both cases becaue we can't move/reuse these pages anymore. Now get_user_pages fails when the memory isn't considered "normal", like with VM_PFNMAP and using vm_insert_pfn. For consistency across all dma-buf I'm trying (together with Christian König) to roll this out everywhere, for fewer surprises. E.g. for 5.14 iirc we merged a patch to do the same for ttm, where it closes an actual bug (ttm gets really badly confused when there's suddenly pinned pages where it thought it can move them). cma allcoations already use VM_PFNMAP (because that's what dma_mmap is using underneath), as is anything that's using remap_pfn_range. Worst case we have to revert this patch for shmem helpers if it breaks something, but I hope that's not the case. On the ttm side we've also had some fallout that we needed to paper over with clever tricks. v2: With this shmem gem helpers now definitely need CONFIG_MMU (0day) v3: add more depends on MMU. For usb drivers this is a bit awkward, but really it's correct: To be able to provide a contig mapping of buffers to userspace on !MMU platforms we'd need to use the cma helpers for these drivers on those platforms. As-is this wont work. Also not exactly sure why vm_insert_page doesn't go boom, because that definitely wont fly in practice since the pages are non-contig to begin with. v4: Explain the entire motivation a lot more (Thomas) Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210812131412.2487363-2-daniel.vetter@ffwll.ch
2021-08-12drm/bridge: ti-sn65dsi86: Avoid creating multiple connectorsRob Clark1-0/+3
If we created our own connector because the driver does not support the NO_CONNECTOR flag, we don't want the downstream bridge to *also* create a connector. And if this driver did pass the NO_CONNECTOR flag (and we supported that mode) this would change nothing. Fixes: 4e5763f03e10 ("drm/bridge: ti-sn65dsi86: Wrap panel with panel-bridge") Reported-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Tested-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210811235253.924867-2-robdclark@gmail.com
2021-08-12drm/edid: fix edid field nameLucas De Marchi1-1/+1
Byte 26 in a edid struct is supposed to be "Blue and white least-significant 2 bits", not "black and white". Rename the field accordingly. This field is not used anywhere, so just renaming it here for correctness. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Simon Ser <contact@emersion.fr> Signed-off-by: Simon Ser <contact@emersion.fr> Link: https://patchwork.freedesktop.org/patch/msgid/20210811205818.156100-1-lucas.demarchi@intel.com
2021-08-12drm/virtio: set non-cross device blob uuid_stateDavid Stevens1-0/+2
Blob resources without the cross device flag don't have a uuid to share with other virtio devices. When exporting such blobs, set uuid_state to STATE_ERR so that virtgpu_virtio_get_uuid doesn't hang. Signed-off-by: David Stevens <stevensd@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20210811040401.1264234-1-stevensd@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-12udmabuf: fix general protection fault in udmabuf_createPavel Skripkin1-2/+2
Syzbot reported general protection fault in udmabuf_create. The problem was in wrong error handling. In commit 16c243e99d33 ("udmabuf: Add support for mapping hugepages (v4)") shmem_read_mapping_page() call was replaced with find_get_page_flags(), but find_get_page_flags() returns NULL on failure instead PTR_ERR(). Wrong error checking was causing GPF in get_page(), since passed page was equal to NULL. Fix it by changing if (IS_ER(!hpage)) to if (!hpage) Reported-by: syzbot+e9cd3122a37c5d6c51e8@syzkaller.appspotmail.com Fixes: 16c243e99d33 ("udmabuf: Add support for mapping hugepages (v4)") Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210811175052.21254-1-paskripkin@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-11drm/ingenic: Use standard drm_atomic_helper_commit_tailPaul Cercueil1-24/+4
By making the CRTC's .vblank_enable() function return an error when it is known that the hardware won't deliver a VBLANK, we can drop the ingenic_drm_atomic_helper_commit_tail() function and use the standard drm_atomic_helper_commit_tail() function instead. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210808134526.119198-4-paul@crapouillou.net
2021-08-11drm/ingenic: Remove dead codePaul Cercueil1-3/+0
The priv->ipu_plane would get a different value further down the code, without the first assigned value being read first; so the first assignation can be dropped. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20210808134526.119198-2-paul@crapouillou.net
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