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2021-03-11drm: Use USB controller's DMA mask when importing dmabufsThomas Zimmermann
USB devices cannot perform DMA and hence have no dma_mask set in their device structure. Therefore importing dmabuf into a USB-based driver fails, which breaks joining and mirroring of display in X11. For USB devices, pick the associated USB controller as attachment device. This allows the DRM import helpers to perform the DMA setup. If the DMA controller does not support DMA transfers, we're out of luck and cannot import. Our current USB-based DRM drivers don't use DMA, so the actual DMA device is not important. Tested by joining/mirroring displays of udl and radeon under Gnome/X11. v8: * release dmadev if device initialization fails (Noralf) * fix commit description (Noralf) v7: * fix use-before-init bug in gm12u320 (Dan) v6: * implement workaround in DRM drivers and hold reference to DMA device while USB device is in use * remove dev_is_usb() (Greg) * collapse USB helper into usb_intf_get_dma_device() (Alan) * integrate Daniel's TODO statement (Daniel) * fix typos (Greg) v5: * provide a helper for USB interfaces (Alan) * add FIXME item to documentation and TODO list (Daniel) v4: * implement workaround with USB helper functions (Greg) * use struct usb_device->bus->sysdev as DMA device (Takashi) v3: * drop gem_create_object * use DMA mask of USB controller, if any (Daniel, Christian, Noralf) v2: * move fix to importer side (Christian, Daniel) * update SHMEM and CMA helpers for new PRIME callbacks Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 6eb0233ec2d0 ("usb: don't inherity DMA properties for USB devices") Tested-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Noralf Trønnes <noralf@tronnes.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: <stable@vger.kernel.org> # v5.10+ Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20210303133229.3288-1-tzimmermann@suse.de Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2021-02-22Merge tag 'docs-5.12' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "It has been a relatively quiet cycle in docsland. - As promised, the minimum Sphinx version to build the docs is now 1.7, and we have dropped support for Python 2 entirely. That allowed the removal of a bunch of compatibility code. - A set of treewide warning fixups from Mauro that I applied after it became clear nobody else was going to deal with them. - The automarkup mechanism can now create cross-references from relative paths to RST files. - More translations, typo fixes, and warning fixes" * tag 'docs-5.12' of git://git.lwn.net/linux: (75 commits) docs: kernel-hacking: be more civil docs: Remove the Microsoft rhetoric Documentation/admin-guide: kernel-parameters: Update nohlt section doc/admin-guide: fix spelling mistake: "perfomance" -> "performance" docs: Document cross-referencing using relative path docs: Enable usage of relative paths to docs on automarkup docs: thermal: fix spelling mistakes Documentation: admin-guide: Update kvm/xen config option docs: Make syscalls' helpers naming consistent coding-style.rst: Avoid comma statements Documentation: /proc/loadavg: add 3 more field descriptions Documentation/submitting-patches: Add blurb about backtraces in commit messages Docs: drop Python 2 support Move our minimum Sphinx version to 1.7 Documentation: input: define ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams scripts/kernel-doc: add internal hyperlink to DOC: sections Update Documentation/admin-guide/sysctl/fs.rst docs: Update DTB format references docs: zh_CN: add iio index.rst translation docs/zh_CN: add iio ep93xx_adc.rst translation ...
2021-02-09drm/todo: Add entry for moving to dma_resv_lockDaniel Vetter
Requested by Thomas. I think it justifies a new level, since I tried to make some forward progress on this last summer, and gave up (for now). This is very tricky. 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> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20210122133624.1751802-1-daniel.vetter@ffwll.ch (cherry picked from commit 5823cca39d585e4b4a32b1292eed0015da9c3276) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2021-01-20Merge tag 'drm-misc-next-2021-01-19' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.12: UAPI Changes: - Fix fourcc macro for amlogic video fbc. Cross-subsystem Changes: - Export pci_rebar_bytes_to_size. - Add a PCI quirk to increase bar0 for RX 5600 XT Pulse to max possible size. - Convert devicetree bindings to use the OF graph schema. - Update s6e63m0 bindings. - Make omapfb2 DSI_CM incompatible with drm/omap2 DSI-CM because of module conflicts. - Add Zack Rusin as vmwgfx maintainer. - Add CONFIG_DMABUF_DEBUG for validating dma-buf users don't loo kat struct page when importing or detaching. Core Changes: - Remove references to drm_device.pdev - Fix regression in ttm_bo_move_to_lru_tail(). - Assorted docbook updates. - Do not send dp-mst hotplug events on error when probing. - Move some agp macros to agpsupport.c, so it's not always compiled. - Move drm_need_swiotlb.h to drm_cache.c - Only build drm_memory.o for legacy drivers, and move CONFIG_DRM_VM to legacy. - Nuke drm_device.hose - Warn when the ttm resource manager is non-empty when disabling. - Assorted small fixes. Driver Changes: - Small assorted fixes in radeon, v3d, hisilicon, mipi-dbi, panfrost, hibmc, vc4, amdgpu, vkms, vmwgfx. - Move hisilicon to use simple encode. - Add writeback connector to vkms. - Add support for BT2020 to DE3. - Use gem prime mmap helpers in vc4, and move the mmap function upwards. - Use managed drm device, and cleanup error paths and display registers in vmwgfx. - Use correct bus_format and connector_type for innolux_n116bge. - Fix a lot of warnings with W=1 (Lee Jones) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/5c3ad775-48ce-33ee-e4c6-a5e1e540f845@linux.intel.com
2021-01-15Merge tag 'drm-intel-gt-next-2021-01-14' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next UAPI Changes: - Deprecate I915_PMU_LAST and optimize state tracking (Tvrtko) Avoid relying on last item ABI marker in i915_drm.h, add a comment to mark as deprecated. Cross-subsystem Changes: Core Changes: Driver Changes: - Restore clear residuals security mitigations for Ivybridge and Baytrail (Chris) - Close #1858: Allow sysadmin to choose applied GPU security mitigations through i915.mitigations=... similar to CPU (Chris) - Fix for #2024: GPU hangs on HSW GT1 (Chris) - Fix for #2707: Driver hang when editing UVs in Blender (Chris, Ville) - Fix for #2797: False positive GuC loading error message (Chris) - Fix for #2859: Missing GuC firmware for older Cometlakes (Chris) - Lessen probability of GPU hang due to DMAR faults [reason 7, next page table ptr is invalid] on Tigerlake (Chris) - Fix REVID macros for TGL to fetch correct stepping (Aditya) - Limit frequency drop to RPe on parking (Chris, Edward) - Limit W/A 1406941453 to TGL, RKL and DG1 (Swathi) - Make W/A 22010271021 permanent on DG1 (Lucas) - Implement W/A 16011163337 to prevent a HS/DS hang on DG1 (Swathi) - Only disable preemption on gen8 render engines (Chris) - Disable arbitration around Braswell's PDP updates (Chris) - Disable arbitration on no-preempt requests (Chris) - Check for arbitration after writing start seqno before busywaiting (Chris) - Retain default context state across shrinking (Venkata, CQ) - Fix mismatch between misplaced vma check and vma insert for 32-bit addressing userspaces (Chris, CQ) - Propagate error for vmap() failure instead kernel NULL deref (Chris) - Propagate error from cancelled submit due to context closure immediately (Chris) - Fix RCU race on HWSP tracking per request (Chris) - Clear CMD parser shadow and GPU reloc batches (Matt A) - Populate logical context during first pin (Maarten) - Optimistically prune dma-resv from the shrinker (Chris) - Fix for virtual engine ownership race (Chris) - Remove timeslice suppression to restore fairness for virtual engines (Chris) - Rearrange IVB/HSW workarounds properly between GT and engine (Chris) - Taint the reset mutex with the shrinker (Chris) - Replace direct submit with direct call to tasklet (Chris) - Multiple corrections to virtual engine dequeue and breadcrumbs code (Chris) - Avoid wakeref from potentially hard IRQ context in PMU (Tvrtko) - Use raw clock for RC6 time estimation in PMU (Tvrtko) - Differentiate OOM failures from invalid map types (Chris) - Fix Gen9 to have 64 MOCS entries similar to Gen11 (Chris) - Ignore repeated attempts to suspend request flow across reset (Chris) - Remove livelock from "do_idle_maps" VT-d W/A (Chris) - Cancel the preemption timeout early in case engine reset fails (Chris) - Code flow optimization in the scheduling code (Chris) - Clear the execlists timers upon reset (Chris) - Drain the breadcrumbs just once (Chris, Matt A) - Track the overall GT awake/busy time (Chris) - Tweak submission tasklet flushing to avoid starvation (Chris) - Track timelines created using the HWSP to restore on resume (Chris) - Use cmpxchg64 for 32b compatilibity for active tracking (Chris) - Prefer recycling an idle GGTT fence to avoid GPU wait (Chris) - Restructure GT code organization for clearer split between GuC and execlists (Chris, Daniele, John, Matt A) - Remove GuC code that will remain unused by new interfaces (Matt B) - Restructure the CS timestamp clocks code to local to GT (Chris) - Fix error return paths in perf code (Zhang) - Replace idr_init() by idr_init_base() in perf (Deepak) - Fix shmem_pin_map error path (Colin) - Drop redundant free_work worker for GEM contexts (Chris, Mika) - Increase readability and understandability of intel_workarounds.c (Lucas) - Defer enabling the breadcrumb interrupt to after submission (Chris) - Deal with buddy alloc block sizes beyond 4G (Venkata, Chris) - Encode fence specific waitqueue behaviour into the wait.flags (Chris) - Don't cancel the breadcrumb interrupt shadow too early (Chris) - Cancel submitted requests upon context reset (Chris) - Use correct locks in GuC code (Tvrtko) - Prevent use of engine->wa_ctx after error (Chris, Matt R) - Fix build warning on 32-bit (Arnd) - Avoid memory leak if platform would have more than 16 W/A (Tvrtko) - Avoid unnecessary #if CONFIG_PM in PMU code (Chris, Tvrtko) - Improve debugging output (Chris, Tvrtko, Matt R) - Make file local variables static (Jani) - Avoid uint*_t types in i915 (Jani) - Selftest improvements (Chris, Matt A, Dan) - Documentation fixes (Chris, Jose) Signed-off-by: Dave Airlie <airlied@redhat.com> # Conflicts: # drivers/gpu/drm/i915/gt/intel_breadcrumbs.c # drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h # drivers/gpu/drm/i915/gt/intel_lrc.c # drivers/gpu/drm/i915/gvt/mmio_context.h # drivers/gpu/drm/i915/i915_drv.h From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210114152232.GA21588@jlahtine-mobl.ger.corp.intel.com
2021-01-12drm/vkms: Add information about module optionsSumera Priyadarsini
Update vkms documentation to contain usage of `modinfo` command and steps to load vkms with module options enabled. Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com> Reviewed-by: Melissa Wen <melissa.srw@gmail.com> Signed-off-by: Melissa Wen <melissa.srw@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/4fbc6459377c1dcbe8e6648718453d5693f6451c.1610391685.git.sylphrenadin@gmail.com
2021-01-11Documentation: Replace lkml.org links with loreJoe Perches
Replace the lkml.org links with lore to better use a single source that's more likely to stay available long-term. Done by bash script: cvt_lkml_to_lore () { tmpfile=$(mktemp ./.cvt_links.XXXXXXX) header=$(echo $1 | sed 's@/lkml/@/lkml/headers/@') wget -qO - $header > $tmpfile if [[ $? == 0 ]] ; then link=$(grep -i '^Message-Id:' $tmpfile | head -1 | \ sed -r -e 's/^\s*Message-Id:\s*<\s*//' -e 's/\s*>\s*$//' -e 's@^@https://lore.kernel.org/r/@') # echo "testlink: $link" if [ -n "$link" ] ; then wget -qO - $link > /dev/null if [[ $? == 0 ]] ; then echo $link fi fi fi rm -f $tmpfile } git grep -P -o "\bhttps?://(?:www.)?lkml.org/lkml[\/\w]+" $@ | while read line ; do echo $line file=$(echo $line | cut -f1 -d':') link=$(echo $line | cut -f2- -d':') newlink=$(cvt_lkml_to_lore $link) if [[ -n "$newlink" ]] ; then sed -i -e "s#\b$link\b#$newlink#" $file fi done Link: https://lore.kernel.org/patchwork/patch/1265849/#1462688 Signed-off-by: Joe Perches <joe@perches.com> Link: https://lore.kernel.org/r/77cdb7f32cfb087955bfc3600b86c40bed5d4104.camel@perches.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-01-05drm/doc: render drm.h uapi docsSimon Ser
It doesn't seem like drm.h docs are included anywhere. Render them next to drm_mode.h, under the "Userspace API Structures" section. This also allows references to e.g. DRM_CAP_* to be properly linkified elsewhere in our docs. Signed-off-by: Simon Ser <contact@emersion.fr> Acked-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201222133524.160842-6-contact@emersion.fr
2020-12-17drm/doc: introduce new section for standard plane propertiesSimon Ser
Introduce a new "Standard Plane Properties" section for properties defined in drm_plane.c. Move the mis-placed IN_FORMATS docs there. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201217113220.102271-3-contact@emersion.fr
2020-12-17drm/doc: the KMS properties section is for user-space devsSimon Ser
State that the "KMS Properties" section is mainly for user-space developers. Signed-off-by: Simon Ser <contact@emersion.fr> Cc: Pekka Paalanen <ppaalanen@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20201217113220.102271-2-contact@emersion.fr
2020-12-17drm/doc: move color management functions under CRTC sectionSimon Ser
Move drm_color_mgmt function reference from the KMS properties section to the CRTC abstraction section. This makes the KMS properties section more readable for user-space developers. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-5-contact@emersion.fr
2020-12-17drm/doc: move damage tracking functions to new sectionSimon Ser
Move drm_damage_helper function reference from the KMS properties section to the plane abstraction section. This makes the KMS properties section more readable for user-space developers. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-4-contact@emersion.fr
2020-12-17drm/doc: move composition function docs to new sectionSimon Ser
Move drm_blend.c function reference from the KMS properties section to the plane abstraction section. This makes the KMS properties section more readable for user-space developers. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-3-contact@emersion.fr
2020-12-17drm/doc: rename FB_DAMAGE_CLIPS sectionSimon Ser
Make it more human-readable. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Cc: Pekka Paalanen <ppaalanen@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-2-contact@emersion.fr
2020-12-15doc: Fix build of documentation after i915 file renameJosé Roberto de Souza
Commit 70a2b431c364 ("drm/i915/gt: Rename lrc.c to execlists_submission.c") renamed intel_lrc.c to intel_execlists_submission.c but forgot to update i915.rst. Fixes: 70a2b431c364 ("drm/i915/gt: Rename lrc.c to execlists_submission.c") Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20201214185440.243537-1-jose.souza@intel.com
2020-12-10drm/vkms: Add setup and testing informationSumera Priyadarsini
Update the vkms documentation to contain steps to: - setup the vkms driver - run tests using igt Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Melissa Wen <melissa.srw@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201209190453.c6kp5winikr55n3i@adolin
2020-11-18drm/docs: Fix todo.rstDaniel Vetter
I didnt' format the thing correctly :-( Fixes: 39aead8373b3 ("fbcon: Disable accelerated scrolling") Reviewed-by: Simon Ser <contact@emersion.fr> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201118073637.597206-1-daniel.vetter@ffwll.ch
2020-11-17fbcon: Disable accelerated scrollingDaniel Vetter
So ever since syzbot discovered fbcon, we have solid proof that it's full of bugs. And often the solution is to just delete code and remove features, e.g. 50145474f6ef ("fbcon: remove soft scrollback code"). Now the problem is that most modern-ish drivers really only treat fbcon as an dumb kernel console until userspace takes over, and Oops printer for some emergencies. Looking at drm drivers and the basic vesa/efi fbdev drivers shows that only 3 drivers support any kind of acceleration: - nouveau, seems to be enabled by default - omapdrm, when a DMM remapper exists using remapper rewriting for y/xpanning - gma500, but that is getting deleted now for the GTT remapper trick, and the accelerated copyarea never set the FBINFO_HWACCEL_COPYAREA flag, so unused (and could be deleted already I think). No other driver supportes accelerated fbcon. And fbcon is the only user of this accel code (it's not exposed as uapi through ioctls), which means we could garbage collect fairly enormous amounts of code if we kill this. Plus because syzbot only runs on virtual hardware, and none of the drivers for that have acceleration, we'd remove a huge gap in testing. And there's no other even remotely comprehensive testing aside from syzbot. This patch here just disables the acceleration code by always redrawing when scrolling. The plan is that once this has been merged for well over a year in released kernels, we can start to go around and delete a lot of code. v2: - Drop a few more unused local variables, somehow I missed the compiler warnings (Sam) - Fix typo in comment (Jiri) - add a todo entry for the cleanup (Thomas) v3: Remove more unused variables (0day) Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Peilin Ye <yepeilin.cs@gmail.com> Cc: George Kennedy <george.kennedy@oracle.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Cc: Peter Rosin <peda@axentia.se> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201029132229.4068359-1-daniel.vetter@ffwll.ch
2020-11-10Merge drm/drm-next into drm-misc-nextThomas Zimmermann
We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set pgprot_decrypted()") to be able to merge Jason's cleanup patch. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2020-11-10Merge v5.10-rc3 into drm-nextDaniel Vetter
We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set pgprot_decrypted()") to be able to merge Jason's cleanup patch. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2020-11-09drm/fb_helper: Support framebuffers in I/O memoryThomas Zimmermann
At least sparc64 requires I/O-specific access to framebuffers. This patch updates the fbdev console accordingly. For drivers with direct access to the framebuffer memory, the callback functions in struct fb_ops test for the type of memory and call the rsp fb_sys_ of fb_cfb_ functions. Read and write operations are implemented internally by DRM's fbdev helper. For drivers that employ a shadow buffer, fbdev's blit function retrieves the framebuffer address as struct dma_buf_map, and uses dma_buf_map interfaces to access the buffer. The bochs driver on sparc64 uses a workaround to flag the framebuffer as I/O memory and avoid a HW exception. With the introduction of struct dma_buf_map, this is not required any longer. The patch removes the rsp code from both, bochs and fbdev. v7: * use min_t(size_t,) (kernel test robot) * return the number of bytes read/written, if any (fbdev testcase) v5: * implement fb_read/fb_write internally (Daniel, Sam) v4: * move dma_buf_map changes into separate patch (Daniel) * TODO list: comment on fbdev updates (Daniel) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-11-tzimmermann@suse.de
2020-11-09drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backendsThomas Zimmermann
This patch replaces the vmap/vunmap's use of raw pointers in GEM object functions with instances of struct dma_buf_map. GEM backends are converted as well. For most of them, this simply changes the returned type. TTM-based drivers now return information about the location of the memory, either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap() et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of implementing their own vmap callbacks. v7: * init QXL cursor to mapped BO buffer (kernel test robot) v5: * update vkms after switch to shmem v4: * use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian) * fix a trailing { in drm_gem_vmap() * remove several empty functions instead of converting them (Daniel) * comment uses of raw pointers with a TODO (Daniel) * TODO list: convert more helpers to use struct dma_buf_map Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Christian König <christian.koenig@amd.com> Tested-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
2020-11-06Merge tag 'drm-misc-next-2020-11-05' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.11: UAPI Changes: Cross-subsystem Changes: - arch/arm64: Describe G12b GPU as coherent - iommu: Support coherency for Mali LPAE Core Changes: - atomic: Pass full state to CRTC atomic_{check, begin, flush}(); Use atomic-state pointers - drm: Remove SCATTER_LIST_MAX_SEGMENT; Cleanups - doc: Document legacy_cursor_update better; cleanups - edid: Don't warn n EDIDs of zero - ttm: New backend allocation pool; Remove old page allocator; Rework no_retry handling; Replace flags with booleans in struct ttm_operation_ctx - vram-helper: Cleanups - fbdev: Cleanups - console: Store font size as unsigned value Driver Changes: - ast: Support new display mode - amdgpu: Switch to new TTM allocator - hisilicon: Cleanups - nouveau: Switch to new TTM allocator; Fix include of swiotbl.h and limits.h; Use state helper instead of CRTC state pointer - panfrost: Support cache-coherent integrations; Fix mutex corruption on open/close; Cleanupse - qxl: Cleanups - radeon: Switch to new TTM allocator - ticdc: Fix build failure - vmwgfx: Switch to new TTM allocator - xlnx: Use dma_request_chan - fbdev/sh_mobile: Cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201105101641.GA13099@linux-uq9g
2020-11-04Merge tag 'drm-intel-next-queued-2020-11-03' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next drm/i915 features for v5.11 Highlights: - More DG1 enabling (Lucas, Matt, Aditya, Anshuman, Clinton, Matt, Stuart, Venkata) - Integer scaling filter support (Pankaj Bharadiya) - Asynchronous flip support (Karthik) Generic: - Fix gen12 forcewake tables (Matt) - Haswell PCI ID updates (Alexei Podtelezhnikov) Display: - ICL+ DSI command mode enabling (Vandita) - Shutdown displays grafecully on reboot/shutdown (Ville) - Don't register display debugfs when there is no display (Lucas) - Fix RKL CDCLK table (Matt) - Limit EHL/JSL eDP to HBR2 (José) - Handle incorrectly set (by BIOS) PLLs and DP link rates at probe (Imre) - Fix mode valid check wrt bpp for "YCbCr 4:2:0 only" modes (Ville) - State checker and dump fixes (Ville) - DP AUX backlight updates (Aaron Ma, Sean Paul) - Add DP LTTPR non-transparent link training mode (Imre) - PSR2 selective fetch enabling (José) - VBT updates (José) - HDCP updates (Ramalingam) Cleanups and refactoring: - HPD pin, AUX channel, and Type-C port identifier cleanup (Ville) - Hotplug and irq refactoring (Ville) - Better DDI encoder and AUX channel names (Ville) - Color LUT code cleanups (Ville) - Combo PHY code cleanups (Ville) - LSPCON code cleanups (Ville) - Documentation fixes (Mauro, Chris) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87o8kehbaj.fsf@intel.com
2020-11-04Merge tag 'drm-misc-next-2020-10-27' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.11: UAPI Changes: - doc: rules for EBUSY on non-blocking commits; requirements for fourcc modifiers; on parsing EDID - fbdev/sbuslib: Remove unused FBIOSCURSOR32 - fourcc: deprecate DRM_FORMAT_MOD_NONE - virtio: Support blob resources for memory allocations; Expose host-visible and cross-device features Cross-subsystem Changes: - devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display Optoelectronics - dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag; dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro Core Changes: - atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during non-blocking commits - dp: Prepare for DP 2.0 DPCD - dp_mst: Receive extended DPCD caps - dma-buf: Documentation - doc: Format modifiers; dma-buf-map; Cleanups - fbdev: Don't use compat_alloc_user_space(); mark as orphaned - fb-helper: Take lock in drm_fb_helper_restore_work_fb() - gem: Convert implementation and drivers to GEM object functions, remove GEM callbacks from struct drm_driver (expect gem_prime_mmap) - panel: Cleanups - pci: Add legacy infix to drm_irq_by_busid() - sched: Avoid infinite waits in drm_sched_entity_destroy() - switcheroo: Cleanups - ttm: Remove AGP support; Don't modify caching during swapout; Major refactoring of the implementation and API that affects all depending drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify() callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE; Replace caching flags with init-time cache setting; Push ttm_tt_bind() into drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy(); no more ttm_set_populated() - vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM object functions with defaults; Default placement in system memory; Cleanups Driver Changes: - amdgpu: Use GEM object functions - armada: Use GEM object functions - aspeed: Configure output via sysfs; Init struct drm_driver with - ast: Reload LUT after FB format changes - bridge: Add driver and DT bindings for anx7625; Cleanups - bridge/dw-hdmi: Constify ops - bridge/ti-sn65dsi86: Add retries for link training - bridge/lvds-codec: Add support for regulator - bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups - display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and dma-coherent - display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and dma-coherent - etnaviv: Use GEM object functions - exynos: Use GEM object functions - fbdev: Cleanups and compiler fixes throughout framebuffer drivers - fbdev/cirrusfb: Avoid division by 0 - gma500: Use GEM object functions; Fix double-free of connector; Cleanups - hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups - i915: Use GEM object functions - imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups - ingenic: Reset pixel clock when parent clock changes; support reserved memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats; Revert support for cached mmap buffers on F0/F1; support 30-bit/24-bit/8-bit-palette modes - komeda: Use DEFINE_SHOW_ATTRIBUTE - mcde: Detect platform_get_irq() errors - mediatek: Use GEM object functions - msm: Use GEM object functions - nouveau: Cleanups; TTM-related changes; Use GEM object functions - omapdrm: Use GEM object functions - panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30; Cleanups - panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes() - panel/otm8009a: Allow non-continuous dsi clock; Cleanups - panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS - panfrost: Fix job timeout handling; Cleanups - pl111: Use GEM object functions - qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved() - radeon: Cleanups; TTM-related changes; Use GEM object functions - rockchip: Use GEM object functions - shmobile: Cleanups - tegra: Use GEM object functions - tidss: Set drm_plane_helper_funcs.prepare_fb - tilcdc: Don't keep vblank interrupt enabled all the time - tve200: Detect platform_get_irq() errors - vc4: Use GEM object functions; Only register components once DSI is attached; Add Maxime as maintainer - vgem: Use GEM object functions - via: Simplify critical section in via_mem_alloc() - virtgpu: Use GEM object functions - virtio: Implement blob resources, host-visible and cross-device features; Support mapping of host-allocated resources; Use UUID APi; Cleanups - vkms: Use GEM object functions; Switch to SHMEM - vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all() - xen: Use GEM object functions - xlnx: Use GEM object functions Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g
2020-11-02Merge drm/drm-next into drm-misc-nextMaxime Ripard
Daniel needs -rc2 in drm-misc-next to merge some patches Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-10-28gpu: docs: amdgpu.rst: get rid of wrong kernel-doc markupsMauro Carvalho Chehab
As reported by kernel-doc: ./drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found ./drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found Those files only contain /** * DOC: */ markups, but they're included twice there: one to parse such markup, and another one to parse internal functions. In the case of amdgpu_xgmi.c, as it has just one such markup, we can simply include the file once, and let it parse the entire file without passing arguments to kernel-doc. This should place everything altogether. For amdgpu_ras.c, however, we need to remove the kernel-doc with just internal. This should be re-introduced if this file ever gets new non-DOC markups. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/bd070923591ae54f9587e7407b6291ac116952b2.1603791716.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-27drm/doc: Document legacy_cursor_update betterDaniel Vetter
It's the horror and shouldn't be used. Realized we're not clear on this in a discussion with Rob about what msm is doing to better support async commits. v2: Refine existing todo item to include this (Thomas) Cc: Sean Paul <sean@poorly.run> Cc: Rob Clark <robdclark@gmail.com> Acked-by: Rob Clark <robdclark@gmail.com> 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/20201023123925.2374863-3-daniel.vetter@ffwll.ch
2020-10-20Merge tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Some fixes queued up already for i915 and amdgpu, I've also included the fix for the clang warning you've seen. i915: - set all unused color plane offsets to ~0xfff again (Ville) - fix TGL DKL PHY DP vswing handling (Ville) amdgpu: - DCN clang warning fix - eDP fix - BACO fix - kernel documentation fixes - SMU7 mclk fix - VCN1 hw bug workaround amdkfd: - kvfree vs kfree fix" * tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drm: drm/amd/display: Fix incorrect dsc force enable logic drm/amdkfd: Use kvfree in destroy_crat_image drm/amdgpu: vcn and jpeg ring synchronization drm/amd/pm: increase mclk switch threshold to 200 us docs: amdgpu: fix a warning when building the documentation drm/amd/display: kernel-doc: document force_timing_sync drm/amdgpu/swsmu: init the baco mutex in early_init drm/amd/display: Fix module load hangs when connected to an eDP drm/i915: Set all unused color plane offsets to ~0xfff again drm/i915: Fix TGL DKL PHY DP vswing handling
2020-10-16Merge tag 'docs/v5.10-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull documentation updates from Mauro Carvalho Chehab: "A series of patches addressing warnings produced by make htmldocs. This includes: - kernel-doc markup fixes - ReST fixes - Updates at the build system in order to support newer versions of the docs build toolchain (Sphinx) After this series, the number of html build warnings should reduce significantly, and building with Sphinx 3.1 or later should now be supported (although it is still recommended to use Sphinx 2.4.4). As agreed with Jon, I should be sending you a late pull request by the end of the merge window addressing remaining issues with docs build, as there are a number of warning fixes that depends on pull requests that should be happening along the merge window. The end goal is to have a clean htmldocs build on Kernel 5.10. PS. It should be noticed that Sphinx 3.0 is not currently supported, as it lacks support for C domain namespaces. Such feature, needed in order to document uAPI system calls with Sphinx 3.x, was added only on Sphinx 3.1" * tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (75 commits) PM / devfreq: remove a duplicated kernel-doc markup mm/doc: fix a literal block markup workqueue: fix a kernel-doc warning docs: virt: user_mode_linux_howto_v2.rst: fix a literal block markup Input: sparse-keymap: add a description for @sw rcu/tree: docs: document bkvcache new members at struct kfree_rcu_cpu nl80211: docs: add a description for s1g_cap parameter usb: docs: document altmode register/unregister functions kunit: test.h: fix a bad kernel-doc markup drivers: core: fix kernel-doc markup for dev_err_probe() docs: bio: fix a kerneldoc markup kunit: test.h: solve kernel-doc warnings block: bio: fix a warning at the kernel-doc markups docs: powerpc: syscall64-abi.rst: fix a malformed table drivers: net: hamradio: fix document location net: appletalk: Kconfig: Fix docs location dt-bindings: fix references to files converted to yaml memblock: get rid of a :c:type leftover math64.h: kernel-docs: Convert some markups into normal comments media: uAPI: buffer.rst: remove a left-over documentation ...
2020-10-15docs: gpu: i915.rst: Fix several C duplication warningsMauro Carvalho Chehab
As reported by Sphinx: ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1147: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_wait_unlocked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1169: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_poll_wait'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1189: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_read'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2669: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_stream_enable'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2734: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_stream_disable'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2820: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_oa_stream_init'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3010: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_read'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3098: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_poll_locked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3129: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_poll'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3152: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_enable_locked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3181: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_disable_locked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3273: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_ioctl'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3296: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_destroy_locked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3321: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_release'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3379: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_open_ioctl_locked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3534: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'read_properties_unlocked'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3717: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_open_ioctl'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3760: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_register'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3789: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_unregister'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4009: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_add_config_ioctl'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4162: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_remove_config_ioctl'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4260: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_init'. ./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4423: WARNING: Duplicate C declaration, also defined in 'gpu/i915'. Declaration is 'i915_perf_fini'. With Sphinx 3, C declarations can't be duplicated anymore, so let's exclude those from the other internals found on i915_perf.c file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-10-14docs: amdgpu: fix a warning when building the documentationMauro Carvalho Chehab
As reported by Sphinx: Documentation/gpu/amdgpu.rst:200: WARNING: Inline emphasis start-string without end-string. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-10-07drm/vkms: update todoMelissa Wen
Drop issues already resolved in vkms: - CRC API Improvements to [1] add igt test to check extreme alpha values and [2] alpha blending; - [3] prime buffer sharing; - [4] writeback support; On the other hand, we also found or thought about other improvements since the last update of this document: - better support for IGT tests - improvements to writeback support - syzbot report Finally, we reorder items by the assumed complexity. [1] https://patchwork.freedesktop.org/series/55944/ [2] https://patchwork.freedesktop.org/series/80823/ [3] https://patchwork.freedesktop.org/series/63212/ [4] https://patchwork.freedesktop.org/series/81177/ v2: - Link to syzbot dashboard Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Cc: Haneen Mohammed <hamohammed.sa@gmail.com> Signed-off-by: Melissa Wen <melissa.srw@gmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201006223006.gu55pjtuaigkh6il@smtp.gmail.com
2020-09-29drm: update todo.rstDaniel Vetter
- debugfs cleanup has moved forward thanks to the cleanup Wambui has done Acked-by: Melissa Wen <melissa.srw@gmail.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Wambui Karuga <wambui.karugax@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Melissa Wen <melissa.srw@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200929150333.3441576-1-daniel.vetter@ffwll.ch
2020-09-28Documentation/gpu: Add asynchronous flip documentation for i915Karthik B S
Add the details of the implementation of asynchronous flips for i915. v7: -Rebased. v8: -Rebased. v9: -Rebased. v10: Move all documentation changes to this patch. (Ville) Signed-off-by: Karthik B S <karthik.b.s@intel.com> Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200921110210.21182-8-karthik.b.s@intel.com
2020-09-25drm: Remove obsolete GEM and PRIME callbacks from struct drm_driverThomas Zimmermann
Several GEM and PRIME callbacks have been deprecated in favor of per-instance GEM object functions. Remove the callbacks as they are now unused. The only exception is .gem_prime_mmap, which is still in use by several drivers. What is also gone is gem_vm_ops in struct drm_driver. All drivers now use struct drm_gem_object_funcs.vm_ops instead. While at it, the patch also improves error handling around calls to .free and .get_sg_table callbacks. v3: * restore default call to drm_gem_prime_export() in drm_gem_prime_handle_to_fd() * return -ENOSYS if get_sg_table is not set * drop all checks for obj->funcs * clean up TODO list and documentation v2: * update related TODO item (Sam) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200923102159.24084-23-tzimmermann@suse.de
2020-09-22drm/amdgpu: Add initial kernel documentation for the amd_ip_block_type ↵Ryan Taylor
structure. v3 Added IP block section to amdgpu.rst. Added more documentation to amd_ip_funcs. Created documentation for amd_ip_block_type. v2: Provides a more detailed DOC section on IP blocks v3: Clarifies the IP block list. Adds info on IP block enumeration. Signed-off-by: Ryan Taylor <ryan.taylor@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-09-08Merge tag 'amd-drm-next-5.10-2020-09-03' of ↵Dave Airlie
git://people.freedesktop.org/~agd5f/linux into drm-next amd-drm-next-5.10-2020-09-03: amdgpu: - RAS fixes - Sienna Cichlid updates - Navy Flounder updates - DCE6 (SI) support in DC - Enable plane rotation - Rework pre-OS vram reservation handling during driver init - Add standard interface to dump GPU metrics table from SMU - Rework tiling and tmz state handling in atomic commits - Pstate fixes - Add voltage and power hwmon interfaces for renoir - SW CTF fixes - S/G display fix for Raven - Print client strings for vmfaults for vega and newer - Manual fan control fixes - Display updates - Reorg power management directory structure - Misc bug fixes - Misc code cleanups amdkfd: - Topology fixes - Add SMI events for thermal throttling and GPU resets radeon: - switch from pci_* to dma_* for dma allocations - PLL fix Scheduler: - Clean up priority levels UAPI: - amdgpu INFO IOCTL query update for TMZ state https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6049 - amdkfd SMI event interface updates https://github.com/RadeonOpenCompute/rocm_smi_lib/tree/therm_thrott From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200903222921.4152-1-alexander.deucher@amd.com
2020-08-26amdgpu: fix Documentation builds for pm/ file movementRandy Dunlap
Fix Documentation errors for amdgpu.rst due to file rename (moved to another subdirectory). Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function hwmon ../drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c' failed with return code 1 Fixes: e098bc9612c2 ("drm/amd/pm: optimize the power related source code layout") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Evan Quan <evan.quan@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-18Merge v5.9-rc1 into drm-misc-nextMaxime Ripard
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-08-11Merge tag 'backlight-next-5.9' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: "Core Framework: - Trivial: Code refactoring - New API backlight_is_blank() - New API backlight_get_brightness() - Additional/reworked documentation - Remove 'extern' labels from prototypes - Drop backlight_put() - Staticify of_find_backlight() Driver Removal: - Removal of unused OT200 driver - Removal of unused Generic Backlight driver Fix-ups - Bunch of W=1 warning fixes - Convert to GPIO descriptors; sky81452 - Move platform data handling into driver; sky81452 - Remove superfluous code; lms501kf03 - Many instances of using new APIs" * tag 'backlight-next-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (34 commits) video: backlight: cr_bllcd: Remove unused variable 'intensity' backlight: backlight: Make of_find_backlight static backlight: backlight: Drop backlight_put() backlight: Use backlight_get_brightness() throughout backlight: jornada720_bl: Introduce backlight_is_blank() backlight: gpio_backlight: Simplify update_status() backlight: cr_bllcd: Introduce gpio-backlight semantics backlight: as3711_bl: Simplify update_status backlight: backlight: Introduce backlight_get_brightness() doc-rst: Wire-up Backlight kernel-doc documentation backlight: backlight: Add overview and update existing doc backlight: backlight: Drop extern from prototypes backlight: generic_bl: Remove this driver as it is unused backlight: backlight: Document enums in backlight.h backlight: backlight: Document inline functions in backlight.h backlight: backlight: Improve backlight_device documentation backlight: backlight: Improve backlight_properties documentation backlight: backlight: Improve backlight_ops documentation backlight: backlight: Add backlight_is_blank() backlight: backlight: Refactor fb_notifier_callback() ...
2020-08-06drm/amd/powerplay: add new sysfs interface for retrieving gpu metrics(V2)Evan Quan
A new interface for UMD to retrieve gpu metrics data. V2: rich the documentation Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-05Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm updates from Dave Airlie: "New xilinx displayport driver, AMD support for two new GPUs (more header files), i915 initial support for RocketLake and some work on their DG1 (discrete chip). The core also grew some lockdep annotations to try and constrain what drivers do with dma-fences, and added some documentation on why the idea of indefinite fences doesn't work. The long list is below. I do have some fixes trees outstanding, but I'll follow up with those later. core: - add user def flag to cmd line modes - dma_fence_wait added might_sleep - dma-fence lockdep annotations - indefinite fences are bad documentation - gem CMA functions used in more drivers - struct mutex removal - more drm_ debug macro usage - set/drop master api fixes - fix for drm/mm hole size comparison - drm/mm remove invalid entry optimization - optimise drm/mm hole handling - VRR debugfs added - uncompressed AFBC modifier support - multiple display id blocks in EDID - multiple driver sg handling fixes - __drm_atomic_helper_crtc_reset in all drivers - managed vram helpers ttm: - ttm_mem_reg handling cleanup - remove bo offset field - drop CMA memtype flag - drop mappable flag xilinx: - New Xilinx ZynqMP DisplayPort Subsystem driver nouveau: - add CRC support - start using NVIDIA published class header files - convert all push buffer emission to new macros - Proper push buffer space management for EVO/NVD channels. - firmware loading fixes - 2MiB system memory pages support on Pascal and newer vkms: - larger cursor support i915: - Rocketlake platform enablement - Early DG1 enablement - Numerous GEM refactorings - DP MST fixes - FBC, PSR, Cursor, Color, Gamma fixes - TGL, RKL, EHL workaround updates - TGL 8K display support fixes - SDVO/HDMI/DVI fixes amdgpu: - Initial support for Sienna Cichlid GPU - Initial support for Navy Flounder GPU - SI UVD/VCE support - expose rotation property - Add support for unique id on Arcturus - Enable runtime PM on vega10 boards that support BACO - Skip BAR resizing if the bios already did id - Major swSMU code cleanup - Fixes for DCN bandwidth calculations amdkfd: - Track SDMA usage per process - SMI events interface radeon: - Default to on chip GART for AGP boards on all arches - Runtime PM reference count fixes msm: - headers regenerated causing churn - a650/a640 display and GPU enablement - dpu dither support for 6bpc panels - dpu cursor fix - dsi/mdp5 enablement for sdm630/sdm636/sdm66 tegra: - video capture prep support - reflection support mediatek: - convert mtk_dsi to bridge API meson: - FBC support sun4i: - iommu support rockchip: - register locking fix - per-pixel alpha support PX30 VOP mgag200: - ported to simple and shmem helpers - device init cleanups - use managed pci functions - dropped hw cursor support ast: - use managed pci functions - use managed VRAM helpers - rework cursor support malidp: - dev_groups support hibmc: - refactor hibmc_drv_vdac: vc4: - create TXP CRTC imx: - error path fixes and cleanups etnaviv: - clock handling and error handling cleanups - use pin_user_pages" * tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits) drm/msm: use kthread_create_worker instead of kthread_run drm/msm/mdp5: Add MDP5 configuration for SDM636/660 drm/msm/dsi: Add DSI configuration for SDM660 drm/msm/mdp5: Add MDP5 configuration for SDM630 drm/msm/dsi: Add phy configuration for SDM630/636/660 drm/msm/a6xx: add A640/A650 hwcg drm/msm/a6xx: hwcg tables in gpulist drm/msm/dpu: add SM8250 to hw catalog drm/msm/dpu: add SM8150 to hw catalog drm/msm/dpu: intf timing path for displayport drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3 drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845 drm/msm/dpu: move some sspp caps to dpu_caps drm/msm/dpu: update UBWC config for sm8150 and sm8250 drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250 drm/msm/a6xx: set ubwc config for A640 and A650 drm/msm/adreno: un-open-code some packets drm/msm: sync generated headers drm/msm/a6xx: add build_bw_table for A640/A650 drm/msm/a6xx: fix crashstate capture for A650 ...
2020-08-04Merge tag 'docs-5.9' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "It's been a busy cycle for documentation - hopefully the busiest for a while to come. Changes include: - Some new Chinese translations - Progress on the battle against double words words and non-HTTPS URLs - Some block-mq documentation - More RST conversions from Mauro. At this point, that task is essentially complete, so we shouldn't see this kind of churn again for a while. Unless we decide to switch to asciidoc or something...:) - Lots of typo fixes, warning fixes, and more" * tag 'docs-5.9' of git://git.lwn.net/linux: (195 commits) scripts/kernel-doc: optionally treat warnings as errors docs: ia64: correct typo mailmap: add entry for <alobakin@marvell.com> doc/zh_CN: add cpu-load Chinese version Documentation/admin-guide: tainted-kernels: fix spelling mistake MAINTAINERS: adjust kprobes.rst entry to new location devices.txt: document rfkill allocation PCI: correct flag name docs: filesystems: vfs: correct flag name docs: filesystems: vfs: correct sync_mode flag names docs: path-lookup: markup fixes for emphasis docs: path-lookup: more markup fixes docs: path-lookup: fix HTML entity mojibake CREDITS: Replace HTTP links with HTTPS ones docs: process: Add an example for creating a fixes tag doc/zh_CN: add Chinese translation prefer section doc/zh_CN: add clearing-warn-once Chinese version doc/zh_CN: add admin-guide index doc:it_IT: process: coding-style.rst: Correct __maybe_unused compiler label futex: MAINTAINERS: Re-add selftests directory ...
2020-07-30drm/doc: device hot-unplug for userspacePekka Paalanen
Set up the expectations on how hot-unplugging a DRM device should look like to userspace. Written by Daniel Vetter's request and largely based on his comments in IRC and from https://lists.freedesktop.org/archives/dri-devel/2020-May/265484.html . A related Wayland protocol change proposal is at https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/35 Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Sean Paul <sean@poorly.run> Cc: Simon Ser <contact@emersion.fr> Cc: Ben Skeggs <skeggsb@gmail.com> Cc: Karol Herbst <kherbst@redhat.com> Acked-by: Simon Ser <contact@emersion.fr> Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200707113805.30936-1-ppaalanen@gmail.com
2020-07-24drm/todo: Plumb drm_atomic_state all overVille Syrjälä
Add a TODO for plumbing drm_atomic_state all over to ease the hurdles of accessing additional object states. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> #irc Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200717135439.5996-1-ville.syrjala@linux.intel.com
2020-07-23drm: pl111: Update documentationLinus Walleij
Remove notes about migrating from the old driver which is retired as all users are now migrated. Update the text to reflect that we support PL110 and PL111 alike. Drop the bullet on memory bandwidth scaling: this has been implemented. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Russell King <linux@armlinux.org.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200720130327.92364-1-linus.walleij@linaro.org
2020-07-20drm: Replace HTTP links with HTTPS onesAlexander A. Klimov
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200719171428.60470-1-grandmaster@al2klimov.de
2020-07-20doc-rst: Wire-up Backlight kernel-doc documentationSam Ravnborg
Include backlight so the documentation is now generated with make htmldocs and friends. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-07-16drm/vblank: Add vblank worksLyude Paul
Add some kind of vblank workers. The interface is similar to regular delayed works, and is mostly based off kthread_work. It allows for scheduling delayed works that execute once a particular vblank sequence has passed. It also allows for accurate flushing of scheduled vblank works - in that flushing waits for both the vblank sequence and job execution to complete, or for the work to get cancelled - whichever comes first. Whatever hardware programming we do in the work must be fast (must at least complete during the vblank or scanout period, sometimes during the first few scanlines of the vblank). As such we use a high-priority per-CRTC thread to accomplish this. Changes since v7: * Stuff drm_vblank_internal.h and drm_vblank_work_internal.h contents into drm_internal.h * Get rid of unnecessary spinlock in drm_crtc_vblank_on() * Remove !vblank->worker check * Grab vbl_lock in drm_vblank_work_schedule() * Mention self-rearming work items in drm_vblank_work_schedule() kdocs * Return 1 from drm_vblank_work_schedule() if the work was scheduled successfully, 0 or error code otherwise * Use drm_dbg_core() instead of DRM_DEV_ERROR() in drm_vblank_work_schedule() * Remove vblank->worker checks in drm_vblank_destroy_worker() and drm_vblank_flush_worker() Changes since v6: * Get rid of ->pending and seqcounts, and implement flushing through simpler means - danvet * Get rid of work_lock, just use drm_device->event_lock * Move drm_vblank_work item cleanup into drm_crtc_vblank_off() so that we ensure that all vblank work has finished before disabling vblanks * Add checks into drm_crtc_vblank_reset() so we yell if it gets called while there's vblank workers active * Grab event_lock in both drm_crtc_vblank_on()/drm_crtc_vblank_off(), the main reason for this is so that other threads calling drm_vblank_work_schedule() are blocked from attempting to schedule while we're in the middle of enabling/disabling vblanks. * Move drm_handle_vblank_works() call below drm_handle_vblank_events() * Simplify drm_vblank_work_cancel_sync() * Fix drm_vblank_work_cancel_sync() documentation * Move wake_up_all() calls out of spinlock where we can. The only one I left was the call to wake_up_all() in drm_vblank_handle_works() as this seemed like it made more sense just living in that function (which is all technically under lock) * Move drm_vblank_work related functions into their own source files * Add drm_vblank_internal.h so we can export some functions we don't want drivers using, but that we do need to use in drm_vblank_work.c * Add a bunch of documentation Changes since v4: * Get rid of kthread interfaces we tried adding and move all of the locking into drm_vblank.c. For implementing drm_vblank_work_flush(), we now use a wait_queue and sequence counters in order to differentiate between multiple work item executions. * Get rid of drm_vblank_work_cancel() - this would have been pretty difficult to actually reimplement and it occurred to me that neither nouveau or i915 are even planning to use this function. Since there's also no async cancel function for most of the work interfaces in the kernel, it seems a bit unnecessary anyway. * Get rid of to_drm_vblank_work() since we now are also able to just pass the struct drm_vblank_work to work item callbacks anyway Changes since v3: * Use our own spinlocks, don't integrate so tightly with kthread_works Changes since v2: * Use kthread_workers instead of reinventing the wheel. Cc: Tejun Heo <tj@kernel.org> Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Co-developed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Lyude Paul <lyude@redhat.com> Acked-by: Dave Airlie <airlied@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200627194657.156514-4-lyude@redhat.com
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-06 13:41:12 +0000