- 08 Sep, 2017 3 commits
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fred gao authored
Currently i915 request structure and shadow ring buffer are allocated before command scan, so it will have to restore to previous states once any error happens afterwards in the long dispatch_workload path. This patch is to introduce a reserved ring buffer created at the beginning of vGPU initialization. Workload will be coped to this reserved buffer and be scanned first, the i915 request and shadow ring buffer are only allocated after the result of scan is successful. To balance the memory usage and buffer alloc time, the coming bigger ring buffer will be reallocated and kept until more bigger buffer is coming. v2: - use kmalloc for the smaller ring buffer, realloc if required. (Zhenyu) v3: - remove the dynamically allocated ring buffer. (Zhenyu) v4: - code style polish. - kfree previous allocated buffer once kmalloc failed. (Zhenyu) Signed-off-by:
fred gao <fred.gao@intel.com> Signed-off-by:
Zhenyu Wang <zhenyuw@linux.intel.com>
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Changbin Du authored
For vfio-pci, if the region support MMAP then it should support both mmap and normal file access. The user-space is free to choose which is being used. For qemu, we just need add 'x-no-mmap=on' for vfio-pci option. Currently GVTg only support MMAP for BAR2. So GVTg will not work when user turn on x-no-mmap option. This patch added file style access for BAR2, aka the GPU aperture. We map the entire aperture partition of active vGPU to kernel space when guest driver try to enable PCI Memory Space. Then we redirect the file RW operation from kvmgt to this mapped area. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1458032Signed-off-by:
Changbin Du <changbin.du@intel.com> Signed-off-by:
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Changbin Du authored
For PCI, 64bit bar consumes two BAR registers, but this doesn't mean both of two BAR are valid. Actually the second BAR is regarded as reserved in this case. So we shouldn't emulate the second BAR. Signed-off-by:
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- 07 Sep, 2017 1 commit
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Jani Nikula authored
Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Jani Nikula <jani.nikula@intel.com>
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- 06 Sep, 2017 7 commits
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Rodrigo Vivi authored
Wa for B-stepping only. A for a hang issue that requires throttling EU performace to 12.5% to avoid back pressure to thread dispatch v2: Rebased. No change from v1. Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:
Oscar Mateo <oscar.mateo@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170906220325.24524-1-rodrigo.vivi@intel.com
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Chris Wilson authored
i915_gem_object_attach_phys() is trying to swap out its shmemfs pages for a new set of physically contiguous pages, but unfortunately triggers an assert inside get-pages. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102561Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20170906135220.13508-1-chris@chris-wilson.co.ukReviewed-by:
Matthew Auld <matthew.auld@intel.com>
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Rodrigo Vivi authored
Skip compressing 1 segment at the end of the frame, avoid a pixel count mismatch nuke event when last active pixel and dummy pixel has same color for Odd Plane Width / Height. For both platforms Gemini Lake and Cannon Lake. v2: Use function-like macro and also use mask to clean to make sure bit 11 is 0. (Suggested by Paulo). v3: Add Display WA notation and also apply for GLK. Both Forgotten on v2. Using "GLK_" prefix since GLK came before CNL. v4: Forgot to "|=" when moving directly macro to masked val. (Noticed by Paulo.) v5: Rebased on top of 0a46ddd5 ("drm/i915/cnp: Wa 1181: Fix Backlight issue") Cc: Imre Deak <imre.deak@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by:Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170905193013.31710-1-rodrigo.vivi@intel.com
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Nanley Chery authored
This enables the Mesa driver to advertise support for ARB_timer_query, and thus an OpenGL version higher than 3.2. Suggested-by:
Ben Widawsky <ben@bwidawsk.net> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
Nanley Chery <nanley.g.chery@intel.com> Reviewed-by:
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Chris Wilson authored
Currently we define any !llc machine as using snoop instead. However, some platforms run into trouble using snoop that we would like to disable, and to do so easily we want to be able to use the static device_info tables. v2: Leave the old snoop = !llc as a warning for the time being to check that all stanzas are filled as either llc or snoop. Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170906105653.3665-1-chris@chris-wilson.co.uk
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Chris Wilson authored
The early gen3 machines (i915g/Grantsdale and i915gm/Alviso) share a lot of characteristics in their MI/GTT blocks with gen2, and in particular can only use physical addresses in MI_STORE_DATA_IMM. This makes it incompatible with our usage, so include those two machines in the blacklist to prevent usage. v2: Make it easy for gcc and rewrite it as a switch to save some space. Signed-off-by:
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Chris Wilson authored
Ville Syrjälä spotted that PGETBL_CTL was losing its enable bit upon a reset. That was causing the display to show garbage on his 945gm. On my i915gm the effect was far more severe; re-enabling the display following the reset without PGETBL_CTL being enabled lead to an immediate hard hang. We do have a routine to re-enable PGETBL_CTL which is applicable to gen2-4, although on gen4 it is documented that a graphics reset doesn't alter the register (no such wording is given for gen3) and should be safe to call to punch back in the enable bit. However, that leaves the question of whether we need to completely re-initialise the register and the rest of the GSM. For g33/pnv/gen4+, where we do have a configurable page table, its contents do seem to be kept, and so we should be able to recover without having to reinitialise the GTT from scratch (as prior to g33, that register is configured by the BIOS and we leave alone except for the enable bit). This appears to have been broken by commit 5fbd0418 ("drm/i915: Re-enable GGTT earlier during resume on pre-gen6 platforms"), which moved the intel_enable_gtt() from i915_gem_init_hw() (also used by reset) to add it earlier during hw init and resume, missing the reset path. v2: Find the culprit, rearrange ggtt_enable to be before gem_init_hw to match init/resume Reported-by:
Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170906111405.27110-1-chris@chris-wilson.co.ukTested-by:
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- 05 Sep, 2017 5 commits
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Rodrigo Vivi authored
This workaround fixes a CNL PCH bug when changing backlight from a lower frequency to a higher frequency. During random reboot cycles, display backlight seems to be off/ dim for 2-3 mins. The only functional change on this patch is to set bit 13 of 0xC2020 for CNL PCH. The rest of patch is organizing identation around those bits definitions and re-organizing CFL workarounds. v2: Only add the bit that matters without touching others around (Jani). Rebase on top of clock gating functions rename. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Arthur J Runyan <arthur.j.runyan@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by:Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170831045223.3960-1-rodrigo.vivi@intel.com
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Ville Syrjälä authored
Add the missing __user to the urelocs cast to fix the following sparse warning: i915_gem_execbuffer.c:1541:47: warning: cast removes address space of expression i915_gem_execbuffer.c:1541:62: warning: incorrect type in argument 2 (different address spaces) i915_gem_execbuffer.c:1541:62: expected void const [noderef] <asn:1>*from i915_gem_execbuffer.c:1541:62: got char * Cc: Chris Wilson <chris@chris-wilson.co.uk> Fixes: 2889caa9 ("drm/i915: Eliminate lots of iterations over the execobjects array") Signed-off-by:
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Ville Syrjälä authored
Make the mode used for load detection const, and adjust all relevant functions to accept a const mode. Signed-off-by:
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Chris Wilson authored
Sparse complains that these integers from which we form void __user *, and so we don't need the annotation itself inside the uABI. Signed-off-by:
Lionel Landwerlin <lionel.g.landwerlin@intel.com>
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Chris Wilson authored
Sparse enforces that GFP flags are only manipulated inside gfp_t locals. Fixes: 4d470f73 ("drm/i915: Avoid undefined behaviour of "u32 >> 32"") Signed-off-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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- 04 Sep, 2017 6 commits
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Jani Nikula authored
Catch up with upstream while it's easy. Signed-off-by: -
Ville Syrjälä authored
Don't cast away the __iomem from the io_mapping functions so that sparse won't be so unhappy when we pass the pointer to the unmap functions. Instead let's move the cast to where we actually use the pointer. Fixes the following sparse warnings: i915_gem.c:1022:33: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:1022:33: expected void [noderef] <asn:2>*vaddr i915_gem.c:1022:33: got void *[assigned] vaddr i915_gem.c:1027:34: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:1027:34: expected void [noderef] <asn:2>*vaddr i915_gem.c:1027:34: got void *[assigned] vaddr i915_gem.c:1199:33: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:1199:33: expected void [noderef] <asn:2>*vaddr i915_gem.c:1199:33: got void *[assigned] vaddr i915_gem.c:1204:34: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:1204:34: expected void [noderef] <asn:2>*vaddr i915_gem.c:1204:34: got void *[assigned] vaddr Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
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Ville Syrjälä authored
radix_tree_for_each_slot() wants an __rcu annotated pointer for the slot. So let's add the annotation. Fixes the following sparse warnings: i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces) i915_gem.c:2217:9: expected void **slot i915_gem.c:2217:9: got void [noderef] <asn:4>** i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces) i915_gem.c:2217:9: expected void **slot i915_gem.c:2217:9: got void [noderef] <asn:4>** i915_gem.c:2217:9: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:2217:9: expected void [noderef] <asn:4>**slot i915_gem.c:2217:9: got void **slot i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces) i915_gem.c:2217:9: expected void **slot i915_gem.c:2217:9: got void [noderef] <asn:4>** Cc: Chris Wilson <chris@chris-wilson.co.uk> Fixes: 96d77634 ("drm/i915: Use a radixtree for random access to the object's backing storage") Signed-off-by:
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Ville Syrjälä authored
Our fbdev setup requires the device to be awake for access through the GTT. If one boots without connected displays and later plugs one in, we won't have any runtime PM references when the fbdev setup runs. Explicitly grab a runtime PM reference during the fbdev setup to avoid the following spew: [ 62.518435] RPM wakelock ref not held during HW access [ 62.518459] ------------[ cut here ]------------ [ 62.518546] WARNING: CPU: 3 PID: 37 at ../drivers/gpu/drm/i915/intel_drv.h:1800 i915_vma_pin_iomap+0x144/0x150 [i915] [ 62.518585] Modules linked in: i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm intel_gtt agpgart netconsole nls_iso8859_1 nls_cp437 vfat fat efi_pstore coretemp hwmon intel_rapl x86_pkg_temp_thermal e1000e efivars ptp pps_core video evdev ip_tables x_tables ipv6 autofs4 [ 62.518741] CPU: 3 PID: 37 Comm: kworker/3:1 Not tainted 4.13.0-rc7-skl+ #1077 [ 62.518770] Hardware name: /NUC7i5BNB, BIOS BNKBL357.86A.0048.2017.0704.1415 07/04/2017 [ 62.518827] Workqueue: events i915_hotplug_work_func [i915] [ 62.518853] task: ffff88046c00dc00 task.stack: ffffc90000184000 [ 62.518896] RIP: 0010:i915_vma_pin_iomap+0x144/0x150 [i915] [ 62.518919] RSP: 0018:ffffc90000187cc8 EFLAGS: 00010292 [ 62.518942] RAX: 000000000000002a RBX: ffff880460044000 RCX: 0000000000000006 [ 62.518969] RDX: 0000000000000006 RSI: ffffffff819c3e6f RDI: ffffffff819f1c0e [ 62.518996] RBP: ffffc90000187cd8 R08: ffff88046c00e4f0 R09: 0000000000000000 [ 62.519022] R10: ffff8804669ca800 R11: 0000000000000000 R12: ffff880461d20000 [ 62.519049] R13: ffffc90000187d48 R14: ffff880461d20000 R15: ffff880460044000 [ 62.519076] FS: 0000000000000000(0000) GS:ffff88047ed80000(0000) knlGS:0000000000000000 [ 62.519107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.519130] CR2: 000056478ae213f0 CR3: 0000000002c0f000 CR4: 00000000003406e0 [ 62.519156] Call Trace: [ 62.519190] intelfb_create+0x176/0x360 [i915] [ 62.519216] __drm_fb_helper_initial_config_and_unlock+0x1c7/0x3c0 [drm_kms_helper] [ 62.519251] drm_fb_helper_hotplug_event.part.18+0xac/0xc0 [drm_kms_helper] [ 62.519282] drm_fb_helper_hotplug_event+0x1a/0x20 [drm_kms_helper] [ 62.519324] intel_fbdev_output_poll_changed+0x1a/0x20 [i915] [ 62.519352] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper] [ 62.519395] i915_hotplug_work_func+0x24e/0x2b0 [i915] [ 62.519420] process_one_work+0x1d3/0x6d0 [ 62.519440] worker_thread+0x4b/0x400 [ 62.519458] ? schedule+0x4a/0x90 [ 62.519475] ? preempt_count_sub+0x97/0xf0 [ 62.519495] kthread+0x114/0x150 [ 62.519511] ? process_one_work+0x6d0/0x6d0 [ 62.519530] ? kthread_create_on_node+0x40/0x40 [ 62.519551] ret_from_fork+0x27/0x40 [ 62.519569] Code: c4 78 e6 e0 0f ff e9 08 ff ff ff 80 3d d5 bc 0c 00 00 0f 85 0b ff ff ff 48 c7 c7 d8 50 32 a0 c6 05 c1 bc 0c 00 01 e8 9d 78 e6 e0 <0f> ff e9 f1 fe ff ff 0f 1f 44 00 00 0f 1f 44 00 00 0f b6 87 98 [ 62.519771] ---[ end trace 5fbe271f991a58ae ]--- Signed-off-by:
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Changbin Du authored
In the past, vGPU alloc fence registers by walking through mm.fence_list to find fence which pin_count = 0 and vma is empty. vGPU may not find enough fence registers this way. Because a fence can be bind to vma even though it is not in using. We have found such failure many times these days. An option to resolve this issue is that we can force-remove fence from vma in this case. This patch added two new api to the fence management code: - i915_reserve_fence() will try to find a free fence from fence_list and force-remove vma if need. - i915_unreserve_fence() reclaim a reserved fence after vGPU has finished. With this change, the fence management is more clear to work with vGPU. GVTg do not need remove fence from fence_list in private. v3: (Chris) - Add struct_mutex lock assertion. - Only count for unpinned fence. v2: (Chris) - Rename the new api for symmetry. - Add safeguard to ensure at least 1 fence remained for host display. Signed-off-by:
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Thierry Reding authored
The header comment in include/trace/define_trace.h specifies that the TRACE_INCLUDE_PATH needs to be relative to the define_trace.h header rather than the trace file including it. Most instances get that wrong and work around it by adding the $(src) directory to the include path. While this works, it is preferable to refer to the correct path to the trace file in the first place and avoid any workaround. Signed-off-by:
Thierry Reding <treding@nvidia.com> Acked-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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- 02 Sep, 2017 1 commit
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Zhi Wang authored
Add back the GEN8_PPAT_WB cache attributes in cnl_setup_private_ppat(), which are missed on CNL. Fixes: 4e34935f ("drm/i915/cnl: Setup PAT Index.") Cc: Ben Widawsky <benjamin.widawsky@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Suggested-by:
Zhi Wang <zhi.a.wang@intel.com> Reviewed-by:
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- 01 Sep, 2017 10 commits
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Ville Syrjälä authored
Use enum pipe for PCH transcoders also in the FIFO underrun code. Fixes the following new sparse warnings: intel_fifo_underrun.c:340:49: warning: mixing different enum types intel_fifo_underrun.c:340:49: int enum pipe versus intel_fifo_underrun.c:340:49: int enum transcoder intel_fifo_underrun.c:344:49: warning: mixing different enum types intel_fifo_underrun.c:344:49: int enum pipe versus intel_fifo_underrun.c:344:49: int enum transcoder intel_fifo_underrun.c:397:57: warning: mixing different enum types intel_fifo_underrun.c:397:57: int enum pipe versus intel_fifo_underrun.c:397:57: int enum transcoder intel_fifo_underrun.c:398:17: warning: mixing different enum types intel_fifo_underrun.c:398:17: int enum pipe versus intel_fifo_underrun.c:398:17: int enum transcoder Cc: Matthias Kaehlcke <mka@chromium.org> Fixes: a2196033 ("drm/i915: Consistently use enum pipe for PCH transcoders") Signed-off-by:
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Ville Syrjälä authored
Make gmbus_lock_ops and proxy_lock_ops static to appease sparse intel_i2c.c:652:34: warning: symbol 'gmbus_lock_ops' was not declared. Should it be static? intel_sdvo.c:2981:34: warning: symbol 'proxy_lock_ops' was not declared. Should it be static? Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Fixes: a8506684 ("drm/i915: Rework sdvo proxy i2c locking") Signed-off-by:
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Ville Syrjälä authored
Make i9xx_load_ycbcr_conversion_matrix() static to appease sparse: intel_color.c:110:6: warning: symbol 'i9xx_load_ycbcr_conversion_matrix' was not declared. Should it be static? Cc: Shashank Sharma <shashank.sharma@intel.com> Fixes: 25edf915 ("drm/i915: prepare csc unit for YCBCR420 output") Signed-off-by:
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Ville Syrjälä authored
We already have the correct new crtc state so just use that instead of crtc->state. Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
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Ville Syrjälä authored
Pass the correct new crtc state to intel_update_pipe_config() instead of using crtc->state. Reviewed-by:
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Ville Syrjälä authored
Dig up the appropriate new crtc and plane states from the top level atomic state in intel_pre_plane_update() and intel_post_plane_update(). Reviewed-by:
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Ville Syrjälä authored
Eliminate plane->state and crtc->state usage from intel_plane_atomic_check_with_state() and its callers. Instead pass the proper states in or dig them up from the top level atomic state. Note that intel_plane_atomic_check_with_state() itself isn't allowed to use the top level atomic state as there is none when it gets called from the legacy cursor short circuit path. v2: Rename some variables for easier comprehension (Maarten) Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
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Lionel Landwerlin authored
We can now make use of the intel_device_info.gt field. Signed-off-by:
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Lionel Landwerlin authored
As recommended by Chris. v2: Switch from __initdata to __initconst. Signed-off-by:
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Lionel Landwerlin authored
Up to Coffeelake we could deduce this GT number from the device ID. This doesn't seem to be the case anymore. This change reorders pciids per GT and adds a gt field to intel_device_info. We set this field on the following platforms : - SNB/IVB/HSW/BDW/SKL/KBL/CFL/CNL Before & After : $ modinfo drivers/gpu/drm/i915/i915.ko | grep ^alias | wc -l 209 v2: Add SNB & IVB (Chris) v3: Fix compilation error in early-quirks (Lionel) v4: Fix inconsistency between FEATURE/PLATFORM macros (Ville) Signed-off-by:
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- 31 Aug, 2017 7 commits
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Manasi Navare authored
This patch fixes the DP AUX CH timeouts observed during CI runs causing CI Failures on a specific PCI device. This issue was fixed previously by adding a quirk but looks like we need to increase this delay even more in order to get rid all the DP AUX CH timeouts. Fixes: c99a259b ("drm/i915/edp: Add a T12 panel delay quirk to fix DP AUX CH timeouts") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101144Signed-off-by:
Manasi Navare <manasi.d.navare@intel.com> Cc: Clinton Taylor <clinton.a.taylor@intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Tomi Sarvela <tomi.p.sarvela@intel.com> Signed-off-by:
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Ville Syrjälä authored
Use explicit old/new states instead of relying on obj->state. Reviewed-by:
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Ville Syrjälä authored
Pass the appropriate new crtc state explicitly to intel_pipe_update_start/end() instead of of mucking around with crtc->state. v2: The mmio flip stuff is gone Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #v1 Signed-off-by:
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Ville Syrjälä authored
In an effort to eliminate the obj->state usage let's pass on the new crtc state pointer (which we already have!) to the color management code. Reviewed-by:
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Ville Syrjälä authored
Currently the .modeset_calc_cdclk() hooks check the final cdclk value against the max allowed. That's not really sufficient since the low level calc_cdclk() functions effectively clamp the minimum required cdclk to the max supported by the platform. Hence if the minimum required exceeds the platforms capabilities we'd keep going anyway using the max cdclk frequency. To fix that let's move the check earlier into intel_crtc_compute_min_cdclk() and we'll check the minimum required cdclk of the pipe against the maximum supported by the platform. Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
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Ville Syrjälä authored
Make the min_pixclk thing less confusing by changing it to track the minimum acceptable cdclk frequency instead. This means moving the application of the guardbands to a slightly higher level from the low level platform specific calc_cdclk() functions. The immediate benefit is elimination of the confusing 2x factors on GLK/CNL+ in the audio workarounds (which stems from the fact that the pipes produce two pixels per clock). v2: Keep cdclk higher on CNL to workaround missing DDI clock voltage handling v3: Squash with the CNL cdclk limits patch (DK) v4: s/intel_min_cdclk/intel_pixel_rate_to_cdclk/ (DK) Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by:
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Rodrigo Vivi authored
On clock recovery this function is called to find out the max voltage swing level that we could go. However gen 9 functions use the old buffer translation tables to figure that out. That table is not valid for CNL causing an invalid number of entries and an invalid selection on the max voltage swing level. v2: Let's use same approach that previous platforms. v3: Actually use n_entries and avoid duplicated -1. v4: Avoid cnl_max_level and use current style. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Clint Taylor <clinton.a.taylor@intel.com> Signed-off-by:
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