Commit Graph

32179 Commits

Author SHA1 Message Date
Xiaoguang Chen
550dd77ebb drm/i915/gvt: fix getting 64bit bar size error
For 64bit bar while reading the higher 32bit the value should be returned
directly.

In the current implementation the higher 32bit value was discarded and not
written to the cfg space of vgpu which lead to an incorrect bar size.

Signed-off-by: Xiaoguang Chen <xiaoguang.chen@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2016-11-24 14:08:58 +08:00
Dave Airlie
855f6529c7 Merge branch 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld into drm-fixes
A late issue discovered by Russell King while testing his setup on Juno.

* 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld:
  drm/arm: hdlcd: fix plane base address update
2016-11-24 11:17:44 +10:00
Dave Airlie
7ad54c99be Merge branch 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
one small powerplay fix and one regression fix for older PX systems and d3cold

* 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix power state when port pm is unavailable (v2)
  drm/amdgpu: fix power state when port pm is unavailable
  drm/amd/powerplay: avoid out of bounds access on array ps.
2016-11-24 11:16:44 +10:00
Alex Deucher
e7b8243d3e drm/amdgpu: drop is_display_hung from display funcs
Not used.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:13:21 -05:00
Alex Deucher
042eb91060 drm/amdgpu/uvd: reduce IB parsing overhead on UVD5+ (v2)
UVD 5 and newer do not have the same placement limitations
as older chips, so skip the first pass since it's just
overhead on chips where we don't have to force placement.

v2: fix inverted logic

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:47 -05:00
Alex Deucher
80983e4df7 drm/amdgpu/uvd: consolidate code for fetching addr from ctx
Same code duplicated in both functions.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:47 -05:00
Trigger Huang
7b1e8cad1f drm/amdgpu: Disable DPM in virtualization
This patch is used for virtualization support. In virtualization,
only SMU manager is needed, DPM should be disabled. This is a
use case for commit 2f9346b6f984
("drm/amdgpu/powerplay: pp module only enable smu when dpm disabled.")

Signed-off-by: Trigger Huang <trigger.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:46 -05:00
Christian König
617859e076 drm/amdgpu: use AMDGPU_GEM_CREATE_VRAM_CLEARED for VM PD/PTs (v2)
Doesn't make much sense to have the same functionality twice.

v2: rebase on dma_fence renaming

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:46 -05:00
Christian König
f45dc74c93 drm/amdgpu: improve AMDGPU_GEM_CREATE_VRAM_CLEARED handling (v2)
Drop this whole reserve/unreserve dance, just lock the
reservation object manually when creating the BO.

v2: rebase on dma_fence renaming

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:45 -05:00
Christian König
c3af1258a7 drm/amdgpu: fix error handling in amdgpu_bo_create_restricted
Manually checking why a function could fail is not a good idea
if you can just check the functions return code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:44 -05:00
Christian König
f29224a619 drm/amdgpu: fix amdgpu_fill_buffer (v2)
The mem start is relative to the domain in the address space, so this
worked only when VRAM was mapped at offset 0.

It also didn't handled multiple drm_mm_nodes for split VRAM.

v2: rebase on dma_fence renaming

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:44 -05:00
Christian König
3b1c9036a6 drm/amdgpu: remove amdgpu_irq_get_delayed
Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:43 -05:00
Edward O'Callaghan
01615881ff amdgpu: Wrap dev_err() calls on vm faults with printk_ratelimit()
It can be the case that upon GPU page faults we start trashing
the logs, and so let us ratelimit here to avoid that.

V2. Fix issue where calling dev_err_ratelimited separately for
    each line means that some lines corresponding to a single
    VM fault may or may not appear depending on the rate.
    - Michel Dänzer.

Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:43 -05:00
Edward O'Callaghan
b01dd025ca amdgpu: Use dev_err() over vanilla printk() in vm_decode_fault()
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:42 -05:00
Tom St Denis
b00861b98b drm/amd/amdgpu: port of DCE v6 to new headers (v3)
Port of SI DCE v6 over to new AMDGPU headers.  Tested on a
Tahiti with GNOME through various hot plugs/rotations/sizes/fullscreen/windowed and
staging drm/xf86-video-amdgpu.

(v2) Re-factored to remove formatting changes to si_enums.h
     as well rename various defines.
(v3) Rebase on upstream

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:42 -05:00
Huang Rui
99e3820a6b drm/amdgpu: cleanup unused iterator members for sdma v2.4
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:41 -05:00
Huang Rui
4bc07289f0 drm/amdgpu: cleanup unused iterator members for sdma v3
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:41 -05:00
Monk Liu
45682886bc drm/amdgpu:impl vgt_flush for VI(V5)
when shadowing enabled, tesselation app will trigger
vm fault because below three tesselation registers:

VGT_TF_RING_SIZE__CI__VI,
VGT_HS_OFFCHIP_PARAM__CI__VI,
VGT_TF_MEMORY_BASE__CI__VI,

need to be programed after vgt-flush.

Tesselation picture vm fault disappeared after vgt-flush
introduced.

v2:implement vgt-flush for CI & SI.
v3:move vgt flush inside of cntx_cntrl
v4:count vgt flush in frame_size
v5:squash in typo fix

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:40 -05:00
Rex Zhu
79abf1add6 drm/amdgpu: enable uvd mgcg for Fiji.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:39 -05:00
Rex Zhu
b02d4081a5 drm/amdgpu: refine cz uvd clock gate logic.
sw clockgate was used on uvd6.0.
when uvd is idle, we gate the uvd clock.
when decode, we ungate the uvd clock.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 15:08:39 -05:00
Peter Wu
d3ac31f3b4 drm/radeon: fix power state when port pm is unavailable (v2)
When PCIe port PM is not enabled (system BIOS is pre-2015 or the
pcie_port_pm=off parameter is set), legacy ATPX PM should still be
marked as supported. Otherwise the GPU can fail to power on after
runtime suspend. This affected a Dell Inspiron 5548.

Ideally the BIOS date in the PCI core is lowered to 2013 (the first year
where hybrid graphics platforms using power resources was introduced),
but that seems more risky at this point and would not solve the
pcie_port_pm=off issue.

v2: agd: fix typo

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98505
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org> # 4.8+
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 13:57:58 -05:00
Peter Wu
1db4496f16 drm/amdgpu: fix power state when port pm is unavailable
When PCIe port PM is not enabled (system BIOS is pre-2015 or the
pcie_port_pm=off parameter is set), legacy ATPX PM should still be
marked as supported. Otherwise the GPU can fail to power on after
runtime suspend. This affected a Dell Inspiron 5548.

Ideally the BIOS date in the PCI core is lowered to 2013 (the first year
where hybrid graphics platforms using power resources was introduced),
but that seems more risky at this point and would not solve the
pcie_port_pm=off issue.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98505
Reported-and-tested-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org> # 4.8+
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23 13:57:14 -05:00
Du, Changbin
e992faee1f drm/i915/gvt: fix missing init param.primary
Initiate param.primary to 1. We should be primary currently.

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2016-11-23 10:13:40 +08:00
Arnd Bergmann
ed2ab35ef1 vgaarb: use valid dev pointer in vgaarb_info()
We now pass the device to the debug messages, but on non-x86,
this is an invalid pointer in vga_arb_device_init:

drivers/gpu/vga/vgaarb.c: In function 'vga_arb_device_init':
drivers/gpu/vga/vgaarb.c:1467:4: error: 'dev' may be used uninitialized in this function [-Werror=maybe-uninitialized]

This moves the initialization of the dev pointer outside of the
architecture #ifdef.

Fixes: a75d68f621 ("vgaarb: Use dev_printk() when possible")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161122143445.1896558-1-arnd@arndb.de
2016-11-22 16:40:35 +01:00
Russell King
7a79279e71 drm/arm: hdlcd: fix plane base address update
While testing HDMI with Xorg on the Juno board, I find that when Xorg
starts up or shuts down, the display is shifted significantly to the
right and wrapped in the active region.  (No sync bars are visible.)
The timings are correct, it behaves as if the start address has been
shifted many pixels _into_ the framebuffer.

This occurs whenever the display mode size is changed - using xrandr
in Xorg shows that changing the resolution triggers the problem
almost every time, but changing the refresh rate does not.

Using devmem2 to disable and re-enable the HDLCD resolves the issue,
and repeated disable/enable cycles do not make the issue re-appear.
Further debugging shows that we try to update the controller
configuration while enabled.

Alwys ensure that the HDLCD is disabled prior to updating the
controller timings, and use drm_crtc_vblank_off()/drm_crtc_vblank_on()
so that DRM knows whether it can expect vblank interrupts.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2016-11-22 14:09:06 +00:00
Ingo Molnar
02cb689b2c Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-22 12:37:38 +01:00
Daniel Vetter
1ea0c02e70 drm/atomic: Unconfuse the old_state mess in commmit_tail
I totally butcherd the job on typing the kernel-doc for these, and no
one realized. Noticed by Russell. Maarten has a more complete approach
to this confusion, by making it more explicit what the new/old state
is, instead of this magic switching behaviour.

v2:
- Liviu pointed out that wait_for_fences is even more magic. Leave
that as @state, and document @pre_swap better.
- While at it, patch in header for the reference section.
- Fix spelling issues Russell noticed.

v3: Fix up the @pre_swap note (Liviu): Also s/synchronous/blocking/,
since async flip is something else than non-blocking.

Cc: Liviu Dudau <liviu.dudau@arm.com>
Reported-by: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Russell King - ARM Linux <linux@armlinux.org.uk>
Fixes: 9f2a7950e7 ("drm/atomic-helper: nonblocking commit support")
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tomeu Vizoso <tomeu.vizoso@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161121171802.24147-1-daniel.vetter@ffwll.ch
2016-11-22 11:11:57 +01:00
Gustavo Padovan
9a83a71ac0 drm/fences: add DOC: for explicit fencing
Document IN_FENCE_FD and OUT_FENCE_PTR properties.

v2: incorporate comments from Daniel Vetter

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
[danvet: s/async/nonblocking/ atomic commits.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1479773488-15048-1-git-send-email-gustavo@padovan.org
2016-11-22 08:06:36 +01:00
Liviu Dudau
8c0b55e22a drm/atomic: cleanup debugfs entries on un-registering the driver.
Cleanup the debugfs entries created by
commit 6559c901cb:  drm/atomic: add debugfs file to dump out atomic state
when the driver's minor gets un-registered. Without it, DRM drivers
compiled as modules cannot be rmmod-ed and modprobed again.

Tested-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161117114129.2627-1-Liviu.Dudau@arm.com
Fixes: 6559c901cb ("drm/atomic: add debugfs file to dump out atomic state")
2016-11-21 13:22:08 -05:00
Daniel Vetter
e9cbc4bd01 drm/i915: Update DRIVER_DATE to 20161121
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-11-21 09:45:03 +01:00
Dave Airlie
43167f6c7d Merge tag 'drm-hisilicon-next-2016-11-17' of http://github.com/zourongrong/linux into drm-next
hibmc drm driver for hisilicon.

* tag 'drm-hisilicon-next-2016-11-17' of http://github.com/zourongrong/linux:
  MAINTAINERS: Update HISILICON DRM entries
  drm/hisilicon/hibmc: Add support for vblank interrupt
  drm/hisilicon/hibmc: Add support for VDAC
  drm/hisilicon/hibmc: Add support for display engine
  drm/hisilicon/hibmc: Add support for frame buffer
  drm/hisilicon/hibmc: Add video memory management
  drm/hisilicon/hibmc: Add hisilicon hibmc drm master driver
2016-11-21 11:42:17 +10:00
Chris Wilson
05c348377d drm/i915: Skip final clflush if LLC is coherent
If the LLC is coherent with the object, we do not need to worry about
whether main memory and cache mismatch when we hand the object back to
the system.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161118211747.25197-2-chris@chris-wilson.co.uk
2016-11-18 22:33:49 +00:00
Chris Wilson
a6a7cc4b7d drm/i915: Always flush the dirty CPU cache when pinning the scanout
Currently we only clflush the scanout if it is in the CPU domain. Also
flush if we have a pending CPU clflush. We also want to treat the
dirtyfb path similar, and flush any pending writes there as well.

v2: Only send the fb flush message if flushing the dirt on flip
v3: Make flush-for-flip and dirtyfb look more alike since they serve
similar roles as end-of-frame marker.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> #v2
Link: http://patchwork.freedesktop.org/patch/msgid/20161118211747.25197-1-chris@chris-wilson.co.uk
2016-11-18 22:33:22 +00:00
Chris Wilson
b17993b7b2 drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
On the DMA mapping error path, sg may be NULL (it has already been
marked as the last scatterlist entry), and we should avoid dereferencing
it again.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e227330223 ("drm/i915: avoid leaking DMA mappings")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/20161114112930.2033-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
2016-11-18 20:51:53 +00:00
Chris Wilson
786d290cae drm/i915: Check that each request phase is completed before retiring
Trying to chase an impossible bug (ivb):

[  207.765411] [drm:i915_reset_and_wakeup [i915]] resetting chip
[  207.765734] [drm:i915_gem_reset [i915]] resetting render ring to restart from tail of request 0x4ee834
[  207.765791] [drm:intel_print_rc6_info [i915]] Enabling RC6 states: RC6 on RC6p on RC6pp off
[  207.767213] [drm:intel_guc_setup [i915]] GuC fw status: path (null), fetch NONE, load NONE
[  207.767515] kernel BUG at drivers/gpu/drm/i915/i915_gem_request.c:203!
[  207.767551] invalid opcode: 0000 [#1] PREEMPT SMP
[  207.767576] Modules linked in: snd_hda_intel i915 cdc_ncm usbnet mii x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel lpc_ich snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec snd_hwdep snd_hda_core mei_me mei snd_pcm sdhci_pci sdhci mmc_core e1000e ptp pps_core [last unloaded: i915]
[  207.767808] CPU: 3 PID: 8855 Comm: gem_ringfill Tainted: G     U          4.9.0-rc5-CI-Patchwork_3052+ #1
[  207.767854] Hardware name: LENOVO 2356GCG/2356GCG, BIOS G7ET31WW (1.13 ) 07/02/2012
[  207.767894] task: ffff88012c82a740 task.stack: ffffc9000383c000
[  207.767927] RIP: 0010:[<ffffffffa00a0a3a>]  [<ffffffffa00a0a3a>] i915_gem_request_retire+0x2a/0x4b0 [i915]
[  207.767999] RSP: 0018:ffffc9000383fb20  EFLAGS: 00010293
[  207.768027] RAX: 00000000004ee83c RBX: ffff880135dcb480 RCX: 00000000004ee83a
[  207.768062] RDX: ffff88012fea42a8 RSI: 0000000000000001 RDI: ffff88012c82af68
[  207.768095] RBP: ffffc9000383fb48 R08: 0000000000000000 R09: 0000000000000000
[  207.768129] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880135dcb480
[  207.768163] R13: ffff88012fea42a8 R14: 0000000000000000 R15: 00000000000001d8
[  207.768200] FS:  00007f955f658740(0000) GS:ffff88013e2c0000(0000) knlGS:0000000000000000
[  207.768239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  207.768258] CR2: 0000555899725930 CR3: 00000001316f6000 CR4: 00000000001406e0
[  207.768286] Stack:
[  207.768299]  ffff880135dcb480 ffff880135dcbe00 ffff88012fea42a8 0000000000000000
[  207.768350]  00000000000001d8 ffffc9000383fb70 ffffffffa00a1339 0000000000000000
[  207.768402]  ffff88012f296c88 00000000000003f0 ffffc9000383fbb0 ffffffffa00b582d
[  207.768453] Call Trace:
[  207.768493]  [<ffffffffa00a1339>] i915_gem_request_retire_upto+0x49/0x90 [i915]
[  207.768553]  [<ffffffffa00b582d>] intel_ring_begin+0x15d/0x2d0 [i915]
[  207.768608]  [<ffffffffa00b59cb>] intel_ring_alloc_request_extras+0x2b/0x40 [i915]
[  207.768667]  [<ffffffffa00a2fd9>] i915_gem_request_alloc+0x359/0x440 [i915]
[  207.768723]  [<ffffffffa008bd03>] i915_gem_do_execbuffer.isra.15+0x783/0x1a10 [i915]
[  207.768766]  [<ffffffff811a6a2e>] ? __might_fault+0x3e/0x90
[  207.768816]  [<ffffffffa008d380>] i915_gem_execbuffer2+0xc0/0x250 [i915]
[  207.768854]  [<ffffffff815532a6>] drm_ioctl+0x1f6/0x480
[  207.768900]  [<ffffffffa008d2c0>] ? i915_gem_execbuffer+0x330/0x330 [i915]
[  207.768939]  [<ffffffff81202f6e>] do_vfs_ioctl+0x8e/0x690
[  207.768972]  [<ffffffff818193ac>] ? retint_kernel+0x2d/0x2d
[  207.769004]  [<ffffffff810d6ef2>] ? trace_hardirqs_on_caller+0x122/0x1b0
[  207.769039]  [<ffffffff812035ac>] SyS_ioctl+0x3c/0x70
[  207.769068]  [<ffffffff818189ae>] entry_SYSCALL_64_fastpath+0x1c/0xb1
[  207.769103] Code: 90 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 fc 53 8b 35 fa 7b e1 e1 85 f6 0f 85 55 03 00 00 41 8b 84 24 80 02 00 00 85 c0 75 02 <0f> 0b 49 8b 94 24 a8 00 00 00 48 8b 8a e0 01 00 00 8b 89 c0 00
[  207.769400] RIP  [<ffffffffa00a0a3a>] i915_gem_request_retire+0x2a/0x4b0 [i915]
[  207.769463]  RSP <ffffc9000383fb20>

Let's add a couple more BUG_ONs before this to ascertain that the request
did make it to hardware. The impossible part of this stacktrace is that
request must have been considered completed by the i915_request_wait()
before we tried to retire it.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161118143412.26508-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
2016-11-18 20:49:46 +00:00
Matthew Auld
43e157fa1d drm/i915: i915_pages_create_for_stolen should return err ptr
When gathering the pages from our backing storage we expect get_pages()
to either give us our sg_table or an err ptr. However when gathering our
fake pages for stolen memory we may return NULL in the event of a
failure. To prevent any funny business we should therefore return the
proper err ptr value.

Fixes: 03ac84f183 ("drm/i915: Pass around sg_table to get_pages/put_pages backend")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479488536-6168-1-git-send-email-matthew.auld@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2016-11-18 20:48:58 +00:00
Bjorn Helgaas
cf590b8732 vgaarb: Downgrade userspace-triggerable messages to debug
To avoid userspace-triggerable dmesg spam, downgrade messages in the sysfs
write parsing code to debug level.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161118141158.32415.71438.stgit@bhelgaas-glaptop.roam.corp.google.com
2016-11-18 16:29:52 +01:00
Maarten Lankhorst
50637aa7ff drm/i915: Enable support for nonblocking modeset
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1478609742-13603-12-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> #irc
2016-11-18 14:09:27 +01:00
Chris Wilson
4302055b29 drm/i915: Be more careful to drop the GT wakeref
Since we can retire requests from multiple paths, we cannot assume that
i915_gem_retire_requests() is the sole path on which we can transition
to gt.active_requests == 0. A consequence of this is that we would skip
the function if we had already retired all the requests and not
scheduled the idle worker.

This is fallout from changing the routine from considering active_engines
(for which it was the only consumer) to active_requests.

v2: Move kicking the idle working to i915_gem_request_retire() otherwise
we could postpone the idle callback everytime we called retire_requests
even though we did no work.
v3: We only need to move the idle work kicking!
v4: Drop the BUG_ON(!awake) as we may be called from the shrinker in the
middle of constructing a request before we have marked the device awake.
v5: Add a BUG_ON() for active_requests underflow upon retirement (Joonas)

Fixes: 28176ef4cf ("drm/i915: Reserve space in the global seqno during request allocation")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161115164620.17185-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2016-11-18 11:47:37 +00:00
Chris Wilson
5b8c8aec8e drm/i915: Move frontbuffer CS write tracking from ggtt vma to object
I tried to avoid having to track the write for every VMA by only
tracking writes to the ggtt. However, for the purposes of frontbuffer
tracking this is insufficient as we need to invalidate around writes not
just to the the ggtt but all aliased ppgtt views of the framebuffer. By
moving the critical section to the object and only doing so for
framebuffer writes we can reduce the tracking even further by only
watching framebuffers and not vma.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161116190704.5293-1-chris@chris-wilson.co.uk
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2016-11-18 11:15:59 +00:00
Tvrtko Ursulin
d806e6828b drm/i915: Only dump dp_m2_n2 configuration when drrs is used
Otherwise it is just an useless empty line.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479397449-27085-1-git-send-email-tvrtko.ursulin@linux.intel.com
2016-11-18 10:48:27 +00:00
Bjorn Helgaas
a75d68f621 vgaarb: Use dev_printk() when possible
Use dev_printk() when possible.  This makes messages more consistent with
other device-related messages and, in some cases, adds useful information.
This changes messages like this:

  vgaarb: failed to allocate pci device
  vgaarb: setting as boot device: PCI:0000:01:00.0
  vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none
  vgaarb: bridge control possible 0000:01:00.0

to this:

  pci 0000:01:00.0: vgaarb: failed to allocate VGA arbiter data
  pci 0000:01:00.0: vgaarb: setting as boot VGA device
  pci 0000:01:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
  pci 0000:01:00.0: vgaarb: bridge control possible

No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161117174758.16810.67625.stgit@bhelgaas-glaptop.roam.corp.google.com
2016-11-18 10:43:20 +01:00
Daniel Vetter
4ada6f2284 drm: document standard connector properties
There's a really big pile of additional connector properties, a lot of
them standardized. But they're all for specific outputs (panels, TV,
scaling, ...) so I left them out for now since this is enough for a
start.

I typed this to give Manasi a place to add her new link status
property documentation.

v2: forgot to git add all the bits (Manasi).

v3: Be more epxlicit about integrated tiled panels (Archit)

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161117085648.26646-1-daniel.vetter@ffwll.ch
2016-11-18 09:45:07 +01:00
Dave Airlie
c2ee69d83b Merge tag 'drm-intel-fixes-2016-11-17' of ssh://git.freedesktop.org/git/drm-intel into drm-fixes
i915 misc fixes.

* tag 'drm-intel-fixes-2016-11-17' of ssh://git.freedesktop.org/git/drm-intel:
  drm/i915: Assume non-DP++ port if dvo_port is HDMI and there's no AUX ch specified in the VBT
  drm/i915: Refresh that status of MST capable connectors in ->detect()
  drm/i915: Grab the rotation from the passed plane state for VLV sprites
  drm/i915: Mark CPU cache as dirty when used for rendering
2016-11-18 10:33:28 +10:00
Dave Airlie
7d40c2cf08 Revert "drm/mediatek: set vblank_disable_allowed to true"
This reverts commit f752fff611.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-11-18 10:27:00 +10:00
Dave Airlie
e9f01049d1 Revert "drm/mediatek: fix a typo of OD_CFG to OD_RELAYMODE"
This reverts commit 83ba62bc70.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-11-18 10:26:44 +10:00
Colin Ian King
9b2502b6eb drm/i2c: tda998x: fix spelling mistake
Trivial fix to spelling mistake "configutation" to "configuration"
in dev_err message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18 00:00:40 +00:00
Russell King
14e5b5889d drm/i2c: tda998x: allow sharing of the CEC device accesses
cec_read() is non-atomic in the presence of other I2C bus transactions
to the same device.  This presents a problem when we add support for
the TDA9950 CEC engine part - both drivers can be trying to access the
device.

Avoid the inherent problems by switching to i2c_transfer() instead,
which allows us to perform more than one bus transaction atomically.

As this means we will be using I2C transactions rather than SMBUS, we
have to check that the host supports I2C functionality.

Tested-by: Brian Starkey <brian.starkey@arm.com>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18 00:00:40 +00:00
Russell King
ae81553c30 drm/i2c: tda998x: allow interrupt to be shared
Some TDA998x contain several different I2C devices - there is the HDMI
encoder, and there is a TDA9950 CEC engine.  These two share the same
interrupt signal.

In order to allow a driver for the CEC engine to work, we need to be
able to share the interrupt with the CEC driver, so convert the handler
and registration to allow this to happen.

Tested-by: Brian Starkey <brian.starkey@arm.com>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18 00:00:40 +00:00
Russell King
9476ed2e38 drm/i2c: tda998x: power down pre-filter and color conversion
Disabling the pre-filter block of the TDA998x saves 40mW and the colour
conversion block saves 15mW.  As we always disable these two blocks, we
can power these sections of the chip down to save 55mW of unnecessary
power consumption.

Tested-by: Brian Starkey <brian.starkey@arm.com>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18 00:00:40 +00:00