Commit Graph

192 Commits

Author SHA1 Message Date
Dave Airlie
2b4f44eec2 Linux 4.16-rc7
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Backmerge tag 'v4.16-rc7' into drm-next

Linux 4.16-rc7

This was requested by Daniel, and things were getting
a bit hard to reconcile, most of the conflicts were
trivial though.
2018-03-28 14:30:41 +10:00
Sean Paul
1c7095d283 Merge airlied/drm-next into drm-misc-next
Refresh -misc-next

Signed-off-by: Sean Paul <seanpaul@chromium.org>
2018-03-21 09:40:55 -04:00
Daniel Vetter
6d544fd6f4 drm/doc: Put all driver docs into a separate chapter
We have quite a few driver docs now, which is great, but having them
all in the top-level gpu documentation chapter makes it harder to spot
the core/shared bits.

Stuff them into a separate chapter and ecourage people to add even
more!

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180316075926.13584-1-daniel.vetter@ffwll.ch
2018-03-19 14:43:11 +01:00
Ville Syrjälä
d2a24edb53 drm: Verify gamma/degamma LUT size
While we want to potentially support multiple different gamma/degamma
LUT sizes we can (and should) at least check that the blob length
is a multiple of the LUT entry size.

v2: s/expected_size_mod/expected_elem_size/ (Daniel)
    Add kernel doc (Daniel)
v3: s/we/were/ typo in the docs

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180315152241.7113-1-ville.syrjala@linux.intel.com
2018-03-16 15:44:01 +02:00
Joonas Lahtinen
bba73071b6 Merge drm-next into drm-intel-next-queued (this time for real)
To pull in the HDCP changes, especially wait_for changes to drm/i915
that Chris wants to build on top of.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2018-03-01 11:14:24 +02:00
Dave Airlie
dfe8db2237 Fixes for 4.16. I contains fixes for deadlock on runtime suspend on few
drivers, a memory leak on non-blocking commits, a crash on color-eviction.
 The is also meson and edid fixes, plus a fix for a doc warning.
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Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Fixes for 4.16. I contains fixes for deadlock on runtime suspend on few
drivers, a memory leak on non-blocking commits, a crash on color-eviction.
The is also meson and edid fixes, plus a fix for a doc warning.

* tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/tve200: fix kernel-doc documentation comment include
  drm/meson: fix vsync buffer update
  drm: Handle unexpected holes in color-eviction
  drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
  drm/amdgpu: Fix deadlock on runtime suspend
  drm/radeon: Fix deadlock on runtime suspend
  drm/nouveau: Fix deadlock on runtime suspend
  drm: Allow determining if current task is output poll worker
  workqueue: Allow retrieval of current task's work struct
  drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits
2018-02-22 08:39:26 +10:00
Daniel Vetter
7b3b61b62a drm/todo: i915 could use device_link_add
Noticed while reading some unrelated patches. Unfortunately Imre's
patch to add our early/late hooks predated the device_link
infrastructure by 2 years.

Cc: Imre Deak <imre.deak@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180220132017.30719-1-daniel.vetter@ffwll.ch
2018-02-21 19:29:06 +01:00
Jani Nikula
30a3317ddc drm/tve200: fix kernel-doc documentation comment include
The DOC: line acts as an identifier for the :doc: include. Fixes:

./drivers/gpu/drm/tve200/tve200_drv.c:1: warning: no structured comments found

Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180220142008.9330-1-jani.nikula@intel.com
2018-02-21 09:26:38 +02:00
Daniel Vetter
bbeba09fc8 drm/docs: Document "scaling mode" property better
Move it out of the csv dungeon.

While at it add the missing link to the helper functions for setting
up the "panel rotation" property.

Also OCD how we list enum property values and their corresponding docs.
Going for a nest definition list seams cleanest, no need for also making
it an uordered list.

Cc: Sean Paul <seanpaul@chromium.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180219225356.24996-3-daniel.vetter@ffwll.ch
2018-02-20 12:10:46 +01:00
Daniel Vetter
3f0df756b6 drm/docs: Discourage adding more to kms-properties.csv
Motivated by patch review.

The table is really hard to read in source form, hard to edit, and
we've moved away to more focused sections about specific features and
how they're exposed in properties.

Those sections can then more easily enumerate options, link to helper
functions and other parts of the docs. All things that get ugly real
fast in the docs.

Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180219225356.24996-1-daniel.vetter@ffwll.ch
2018-02-20 12:10:46 +01:00
Daniel Vetter
1aecabb5b2 drm/todo: Add idr_init_base todo
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180219145708.23523-1-daniel.vetter@ffwll.ch
2018-02-19 17:32:12 +01:00
Markus Heiser
af2e01da34 docs: fix, intel_guc_loader.c has been moved to intel_guc_fw.c
With commit d9e2e0143c the 'GuC-specific firmware loader' doc
section was removed from intel_guc_loader.c without a
replacement.  So lets remove it from the Kernel-doc::

  .. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c
     :doc: GuC-specific firmware loader

With commit e8668bbcb0 intel_guc_loader.c was renamed to to
intel_guc_fw.c and to name just one, intel_guc_init_hw() was
renamed to intel_guc_fw_upload(). Since we get errors in the
Sphinx build like:

- Error: Cannot open file ./drivers/gpu/drm/i915/intel_guc_loader.c

Change the kernel-doc directive from intel_guc_loader.c to
intel_guc_fw.c

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
[danvet: Rebase onto the partial fix 006c23327f
("documentation/gpu/i915: fix docs build error after file rename")]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1513078717-12373-1-git-send-email-markus.heiser@darmarit.de
(cherry picked from commit 0132a1a5d4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2018-01-02 17:21:51 +02:00
Randy Dunlap
c1f08c4197 documentation/gpu/i915: fix docs build error after file rename
Fix documentation build errors after intel_guc_loader.c was
renamed to intel_guc_fw.c.

Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function GuC-specific firmware loader ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 1
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -internal ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 2

Fixes: e8668bbcb0 ("drm/i915/guc: Rename intel_guc_loader.c to intel_guc_fw.c")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1b214f53-47f5-bef3-f58e-8136de5678ed@infradead.org
(cherry picked from commit 006c23327f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2018-01-02 13:54:49 +02:00
Dave Airlie
d50ce2ce51 drm-misc-next for 4.16:
Core Changes:
 - mostly doc updates and some fbdev improvements
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Merge tag 'drm-misc-next-2017-12-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 4.16:

Core Changes:
- mostly doc updates and some fbdev improvements

* tag 'drm-misc-next-2017-12-21' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/framebuffer: Print task that allocated the fb in debug info.
  drm/fb-helper: Add drm_fb_helper_defio_init()
  drm/fb-helper: Update DOC with new helpers
  drm/docs: Add todo entry for drm_fb_helper_fbdev_setup()
  drm/fb-helper: Add drm_fb_helper_fbdev_setup/teardown()
  drm/fb-helper: Set/clear dev->fb_helper in dummy init/fini
  drm/stm: ltdc: Remove unnecessary platform_get_resource() error check
  drm/stm: dsi: Remove unnecessary platform_get_resource() error check
  drm/doc: Move legacy kms helpers to the very end
  drm/atomic: document how to handle driver private objects
  drm/syncobj: some kerneldoc polish
  drm/print: Unconfuse kerneldoc
  drm/edid: kerneldoc for is_hdmi2_sink
2017-12-22 10:00:38 +10:00
Dave Airlie
6a9991bc05 - Fix documentation build issues (Randy, Markus)
- Fix timestamp frequency calculation for perf on CNL (Lionel)
 - New DMC firmware for Skylake (Anusha)
 - GTT flush fixes and other GGTT write track and refactors (Chris)
 - Taint kernel when GPU reset fails (Chris)
 - Display workarounds organization (Lucas)
 - GuC and HuC initialization clean-up and fixes (Michal)
 - Other fixes around GuC submission (Michal)
 - Execlist clean-ups like caching ELSP reg offset and improving log readability (Chri\
 s)
 - Many other improvements on our logs and dumps (Chris)
 - Restore GT performance in headless mode with DMC loaded (Tvrtko)
 - Stop updating legacy fb parameters since FBC is not using anymore (Daniel)
 - More selftest improvements (Chris)
 - Preemption fixes and improvements (Chris)
 - x86/early-quirks improvements for Intel graphics stolen memory. (Joonas, Matthew)
 - Other improvements on Stolen Memory code to be resource centric. (Matthew)
 - Improvements and fixes on fence allocation/release (Chris).
 
 GVT:
 
 - fixes for two coverity scan errors (Colin)
 - mmio switch code refine (Changbin)
 - more virtual display dmabuf fixes (Tina/Gustavo)
 - misc cleanups (Pei)
 - VFIO mdev display dmabuf interface and gvt support (Tina)
 - VFIO mdev opregion support/fixes (Tina/Xiong/Chris)
 - workload scheduling optimization (Changbin)
 - preemption fix and temporal workaround (Zhenyu)
 - and misc fixes after refactor (Chris)
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Merge tag 'drm-intel-next-2017-12-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

- Fix documentation build issues (Randy, Markus)
- Fix timestamp frequency calculation for perf on CNL (Lionel)
- New DMC firmware for Skylake (Anusha)
- GTT flush fixes and other GGTT write track and refactors (Chris)
- Taint kernel when GPU reset fails (Chris)
- Display workarounds organization (Lucas)
- GuC and HuC initialization clean-up and fixes (Michal)
- Other fixes around GuC submission (Michal)
- Execlist clean-ups like caching ELSP reg offset and improving log readability (Chri\
s)
- Many other improvements on our logs and dumps (Chris)
- Restore GT performance in headless mode with DMC loaded (Tvrtko)
- Stop updating legacy fb parameters since FBC is not using anymore (Daniel)
- More selftest improvements (Chris)
- Preemption fixes and improvements (Chris)
- x86/early-quirks improvements for Intel graphics stolen memory. (Joonas, Matthew)
- Other improvements on Stolen Memory code to be resource centric. (Matthew)
- Improvements and fixes on fence allocation/release (Chris).

GVT:

- fixes for two coverity scan errors (Colin)
- mmio switch code refine (Changbin)
- more virtual display dmabuf fixes (Tina/Gustavo)
- misc cleanups (Pei)
- VFIO mdev display dmabuf interface and gvt support (Tina)
- VFIO mdev opregion support/fixes (Tina/Xiong/Chris)
- workload scheduling optimization (Changbin)
- preemption fix and temporal workaround (Zhenyu)
- and misc fixes after refactor (Chris)

* tag 'drm-intel-next-2017-12-14' of git://anongit.freedesktop.org/drm/drm-intel: (87 commits)
  drm/i915: Update DRIVER_DATE to 20171214
  drm/i915: properly init lockdep class
  drm/i915: Show engine state when hangcheck detects a stall
  drm/i915: make CS frequency read support missing more obvious
  drm/i915/guc: Extract doorbell verification into a function
  drm/i915/guc: Extract clients allocation to submission_init
  drm/i915/guc: Extract doorbell creation from client allocation
  drm/i915/guc: Call invalidate after changing the vfunc
  drm/i915/guc: Extract guc_init from guc_init_hw
  drm/i915/guc: Move GuC workqueue allocations outside of the mutex
  drm/i915/guc: Move shared data allocation away from submission path
  drm/i915: Unwind i915_gem_init() failure
  drm/i915: Ratelimit request allocation under oom
  drm/i915: Allow fence allocations to fail
  drm/i915: Mark up potential allocation paths within i915_sw_fence as might_sleep
  drm/i915: Don't check #active_requests from i915_gem_wait_for_idle()
  drm/i915/fence: Use rcu to defer freeing of irq_work
  drm/i915: Dump the engine state before declaring wedged from wait_for_engines()
  drm/i915: Bump timeout for wait_for_engines()
  drm/i915: Downgrade misleading "Memory usable" message
  ...
2017-12-21 11:08:30 +10:00
Noralf Trønnes
ee05baa0bf drm/docs: Add todo entry for drm_fb_helper_fbdev_setup()
Add entry for conversion of drivers to new helpers.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171215175119.36181-4-noralf@tronnes.org
2017-12-20 14:51:03 +01:00
Daniel Vetter
5fca5ece6a drm/doc: Move legacy kms helpers to the very end
We don't want people to accidentally stumble over there.

Also rename the plane helpers to legacy plane helpers. After Ville's
patch to make the clipping helper atomic and move it to
drm_atomic_helper.c there's nothing left in there that should be
useful for modern drivers.

v2: Laurent had a few questions around how state is added to
drm_atomic_state, tried to clarify that. And spotted another sentence
where the docs suggested subclassing.

v3: Small polish (Alex).

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171214203054.20141-6-daniel.vetter@ffwll.ch
2017-12-15 11:26:54 +01:00
Daniel Vetter
da6c059697 drm/atomic: document how to handle driver private objects
DK put some nice docs into the commit introducing driver private
state, but in the git history alone it'll be lost.

Also, since Ville remove the void* usage it's a good opportunity to
give the driver private stuff some tlc on the doc front.

Finally try to explain why the "let's just subclass drm_atomic_state"
approach wasn't the greatest, and annotate all those functions as
deprecated in favour of more standardized driver private states. Also
note where we could/should extend driver private states going forward
(atm neither locking nor synchronization is handled in core/helpers,
which isn't really all that great).

v2: Spelling and phrasing improvements (Alex, DK).

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171214203054.20141-5-daniel.vetter@ffwll.ch
2017-12-15 11:26:54 +01:00
Markus Heiser
0132a1a5d4 docs: fix, intel_guc_loader.c has been moved to intel_guc_fw.c
With commit d9e2e0143c the 'GuC-specific firmware loader' doc
section was removed from intel_guc_loader.c without a
replacement.  So lets remove it from the Kernel-doc::

  .. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c
     :doc: GuC-specific firmware loader

With commit e8668bbcb0 intel_guc_loader.c was renamed to to
intel_guc_fw.c and to name just one, intel_guc_init_hw() was
renamed to intel_guc_fw_upload(). Since we get errors in the
Sphinx build like:

- Error: Cannot open file ./drivers/gpu/drm/i915/intel_guc_loader.c

Change the kernel-doc directive from intel_guc_loader.c to
intel_guc_fw.c

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
[danvet: Rebase onto the partial fix 006c23327f
("documentation/gpu/i915: fix docs build error after file rename")]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1513078717-12373-1-git-send-email-markus.heiser@darmarit.de
2017-12-12 16:24:05 +01:00
Noralf Trønnes
d3820952ea drm/tinydrm: Use drm_fb_cma_fbdev_init_with_funcs/fini()
Use drm_fb_cma_fbdev_init_with_funcs() and drm_fb_cma_fbdev_fini() which
relies on the fact that drm_device holds a pointer to the drm_fb_helper
structure. This means that the driver doesn't have to keep track of that.
Also use the drm_fb_helper functions directly.
Remove todo entry.

Cc: David Lechner <david@lechnology.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: David Lechner <david@lechnology.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: David Lechner <david@lechnolgy.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208193743.34450-11-noralf@tronnes.org
2017-12-10 15:37:07 +01:00
Rodrigo Vivi
6647852abc Merge airlied/drm-next into drm-intel-next-queued
Chris requested this backmerge for a reconciliation on
drm_print.h between drm-misc-next and drm-intel-next-queued

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-12-08 10:15:30 -08:00
Hans de Goede
404d1a3edc drm: Add panel orientation quirks, v6.
Some x86 clamshell design devices use portrait tablet screens and a display
engine which cannot rotate in hardware, so the firmware just leaves things
as is and we cannot figure out that the display is oriented non upright
from the hardware.

So at least on x86, we need a quirk table for this. This commit adds a DMI
based quirk table which is initially populated with 5 such devices: Asus
T100HA, GPD Pocket, GPD win, I.T.Works TW891 and the VIOS LTH17.

This quirk table will be used by the drm code to let userspace know that
the display is not mounted upright inside the devices case through a new
panel orientation drm-connector property, as well as to tell fbcon to
rotate the console so that it shows the right way up.

Changes in v5:
-Add a kernel-doc comment documenting drm_get_panel_orientation_quirk()
-Remove board_* matches from the dmi-matches for the VIOS LTH17 laptop,
 keeping only the (identical) sys_vendor and product_name matches.
 This is necessary because an older version of the bios has
 board_vendor set to VOIS instead of VIOS

Changes in v6:
-Add reference to added kernel-docs in Documentation/gpu/drm-kms-helpers.rst

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171125193553.23986-3-hdegoede@redhat.com
2017-12-04 23:03:21 +01:00
Gustavo Padovan
7b47c66cfa Merge arlied/drm-next into drm-misc-next
We need to pull 66660d4cf2 (drm: add connector info/property for
non-desktop displays [v2]) into drm-misc-next to continue the development
of the display rotation series.

Effectively this also pulls 4.15-r2 into drm-misc-next.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
2017-12-04 16:04:45 -02:00
Randy Dunlap
006c23327f documentation/gpu/i915: fix docs build error after file rename
Fix documentation build errors after intel_guc_loader.c was
renamed to intel_guc_fw.c.

Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function GuC-specific firmware loader ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 1
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -internal ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 2

Fixes: e8668bbcb0 ("drm/i915/guc: Rename intel_guc_loader.c to
	intel_guc_fw.c")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1b214f53-47f5-bef3-f58e-8136de5678ed@infradead.org
2017-12-04 08:59:58 +01:00
Dave Airlie
ca797d29cd More change sets for 4.16:
- Many improvements for selftests and other igt tests (Chris)
 - Forcewake with PUNIT->PMIC bus fixes and robustness (Hans)
 - Define an engine class for uABI (Tvrtko)
 - Context switch fixes and improvements (Chris)
 - GT powersavings and power gating simplification and fixes (Chris)
 - Other general driver clean-ups (Chris, Lucas, Ville)
 - Removing old, useless and/or bad workarounds (Chris, Oscar, Radhakrishna)
 - IPS, pipe config, etc in preparation for another Fast Boot attempt (Maarten)
 - OA perf fixes and support to Coffee Lake and Cannonlake (Lionel)
 - Fixes around GPU fault registers (Michel)
 - GEM Proxy (Tina)
 - Refactor of Geminilake and Cannonlake plane color handling (James)
 - Generalize transcoder loop (Mika Kahola)
 - New HW Workaround for Cannonlake and Geminilake (Rodrigo)
 - Resume GuC before using GEM (Chris)
 - Stolen Memory handling improvements (Ville)
 - Initialize entry in PPAT for older compilers (Chris)
 - Other fixes and robustness improvements on execbuf (Chris)
 - Improve logs of GEM_BUG_ON (Mika Kuoppala)
 - Rework with massive rename of GuC functions and files (Sagar)
 - Don't sanitize frame start delay if pipe is off (Ville)
 - Cannonlake clock fixes (Rodrigo)
 - Cannonlake HDMI 2.0 support (Rodrigo)
 - Add a GuC doorbells selftest (Michel)
 - Add might_sleep() check to our wait_for() (Chris)
 
 Many GVT changes for 4.16:
 
 - CSB HWSP update support (Weinan)
 - GVT debug helpers, dyndbg and debugfs (Chuanxiao, Shuo)
 - full virtualized opregion (Xiaolin)
 - VM health check for sane fallback (Fred)
 - workload submission code refactor for future enabling (Zhi)
 - Updated repo URL in MAINTAINERS (Zhenyu)
 - other many misc fixes
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Merge tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

More change sets for 4.16:

- Many improvements for selftests and other igt tests (Chris)
- Forcewake with PUNIT->PMIC bus fixes and robustness (Hans)
- Define an engine class for uABI (Tvrtko)
- Context switch fixes and improvements (Chris)
- GT powersavings and power gating simplification and fixes (Chris)
- Other general driver clean-ups (Chris, Lucas, Ville)
- Removing old, useless and/or bad workarounds (Chris, Oscar, Radhakrishna)
- IPS, pipe config, etc in preparation for another Fast Boot attempt (Maarten)
- OA perf fixes and support to Coffee Lake and Cannonlake (Lionel)
- Fixes around GPU fault registers (Michel)
- GEM Proxy (Tina)
- Refactor of Geminilake and Cannonlake plane color handling (James)
- Generalize transcoder loop (Mika Kahola)
- New HW Workaround for Cannonlake and Geminilake (Rodrigo)
- Resume GuC before using GEM (Chris)
- Stolen Memory handling improvements (Ville)
- Initialize entry in PPAT for older compilers (Chris)
- Other fixes and robustness improvements on execbuf (Chris)
- Improve logs of GEM_BUG_ON (Mika Kuoppala)
- Rework with massive rename of GuC functions and files (Sagar)
- Don't sanitize frame start delay if pipe is off (Ville)
- Cannonlake clock fixes (Rodrigo)
- Cannonlake HDMI 2.0 support (Rodrigo)
- Add a GuC doorbells selftest (Michel)
- Add might_sleep() check to our wait_for() (Chris)

Many GVT changes for 4.16:

- CSB HWSP update support (Weinan)
- GVT debug helpers, dyndbg and debugfs (Chuanxiao, Shuo)
- full virtualized opregion (Xiaolin)
- VM health check for sane fallback (Fred)
- workload submission code refactor for future enabling (Zhi)
- Updated repo URL in MAINTAINERS (Zhenyu)
- other many misc fixes

* tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel: (260 commits)
  drm/i915: Update DRIVER_DATE to 20171117
  drm/i915: Add a policy note for removing workarounds
  drm/i915/selftests: Report ENOMEM clearly for an allocation failure
  Revert "drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk"
  drm/i915: Calculate g4x intermediate watermarks correctly
  drm/i915: Calculate vlv/chv intermediate watermarks correctly, v3.
  drm/i915: Pass crtc_state to ips toggle functions, v2
  drm/i915: Pass idle crtc_state to intel_dp_sink_crc
  drm/i915: Enable FIFO underrun reporting after initial fastset, v4.
  drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM
  drm/i915: Add might_sleep() check to wait_for()
  drm/i915/selftests: Add a GuC doorbells selftest
  drm/i915/cnl: Extend HDMI 2.0 support to CNL.
  drm/i915/cnl: Simplify dco_fraction calculation.
  drm/i915/cnl: Don't blindly replace qdiv.
  drm/i915/cnl: Fix wrpll math for higher freqs.
  drm/i915/cnl: Fix, simplify and unify wrpll variable sizes.
  drm/i915/cnl: Remove useless conversion.
  drm/i915/cnl: Remove spurious central_freq.
  drm/i915/selftests: exercise_ggtt may have nothing to do
  ...
2017-12-04 10:56:53 +10:00
Dave Airlie
2c1c55cb75 Merge tag 'drm-misc-next-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
Cross-subsystem Changes:

- device tree doc for the Mitsubishi AA070MC01 and Tianma TM070RVHG71
panels (Lukasz Majewski) and for a 2nd endpoint on stm32 (Philippe Cornu)

Core Changes:

The most important changes are:

- Add drm_driver .last_close and .output_poll_changed helpers to reduce
fbdev emulation footprint in drivers (Noralf)
- Fix plane clipping in core and for vmwgfx (Ville)

Then we have a bunch of of improvement for print and debug such as the
addition of a framebuffer debugfs file. ELD connector, HDMI and
improvements.  And a bunch of misc improvements, clean ups and style
changes and doc updates

[airlied: drop eld bits from amdgpu_dm]

Driver Changes:

- sii8620: filter unsupported modes and add DVI mode support (Maciej Purski)
- rockchip: analogix_dp: Remove unnecessary init code (Jeffy Chen)
- virtio, cirrus: add fb create_handle support to enable screenshots(Lepton Wu)
- virtio: replace reference/unreference with get/put (Aastha Gupta)
- vc4, gma500: Convert timers to use timer_setup() (Kees Cook)
- vc4: Reject HDMI modes with too high of clocks (Eric)
- vc4: Add support for more pixel formats (Dave Stevenson)
- stm: dsi: Rename driver name to "stm32-display-dsi" (Philippe Cornu)
- stm: ltdc: add a 2nd endpoint (Philippe Cornu)
- via: use monotonic time for VIA_WAIT_IRQ (Arnd Bergmann)

* tag 'drm-misc-next-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc: (96 commits)
  drm/bridge: tc358767: add copyright lines
  MAINTAINERS: change maintainer for Rockchip drm drivers
  drm/vblank: Fix vblank timestamp debugs
  drm/via: use monotonic time for VIA_WAIT_IRQ
  dma-buf: Fix ifnullfree.cocci warnings
  drm/printer: Add drm_vprintf()
  drm/edid: Allow HDMI infoframe without VIC or S3D
  video/hdmi: Allow "empty" HDMI infoframes
  dma-buf/fence: Fix lock inversion within dma-fence-array
  drm/sti: Handle return value of platform_get_irq_byname
  drm/vc4: Add support for NV21 and NV61.
  drm/vc4: Use .pixel_order instead of custom .flip_cbcr
  drm/vc4: Add support for DRM_FORMAT_RGB888 and DRM_FORMAT_BGR888
  drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
  drm: Check crtc_state->enable rather than crtc->enabled in drm_plane_helper_check_state()
  drm/vmwgfx: Try to fix plane clipping
  drm/vmwgfx: Use drm_plane_helper_check_state()
  drm/vmwgfx: Remove bogus crtc coords vs fb size check
  gpu: gma500: remove unneeded DRIVER_LICENSE #define
  drm: don't link DP aux i2c adapter to the hardware device node
  ...
2017-12-04 05:42:49 +10:00
Noralf Trønnes
3233fc0a69 drm/docs: Add todo entry for simple modeset suspend/resume
Add entry for conversion of drivers to new helpers.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171106191812.38927-7-noralf@tronnes.org
2017-11-30 18:19:42 +01:00
Noralf Trønnes
6e8e9a01ec drm/tinydrm: Use drm_mode_config_helper_suspend/resume()
Replace driver's code with the generic helpers that do the same thing.
Remove todo entry.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171106191812.38927-6-noralf@tronnes.org
2017-11-30 18:19:15 +01:00
Linus Torvalds
f6705bf959 amdgpu DC display code for Vega.
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Merge tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux

Pull amdgpu DC display code for Vega from Dave Airlie:
 "This is the pull request for the AMD DC (display code) layer which is
  a requirement to program the display engines on the new Vega and Raven
  based GPUs. It also contains support for all amdgpu supported GPUs
  (CIK, VI, Polaris), which has to be enabled. It is also a kms atomic
  modesetting compatible driver (unlike the current in-tree display
  code).

  I've kept it separate from drm-next because it may have some things
  that cause you to reject it.

  Background story:

  AMD have an internal team creating a shared OS codebase for display at
  hw bring up time using information from their hardware teams. This
  process doesn't lead to the most Linux friendly/looking code but we
  have worked together on cleaning a lot of it up and dealing with
  sparse/smatch/checkpatch, and having their team internally adhere to
  Linux coding standards.

  This tree is a complete history rebased since they started opening it,
  we decided not to squash it down as the history may have some value.
  Some of the commits therefore might not reach kernel standards, and we
  are steadily training people in AMD to better write commit msgs.

  There is a major bunch of generated bandwidth calculation and
  verification code that comes from their hardware team. On Vega and
  before this is float calculations, on Raven (DCN10) this is double
  based. They do the required things to do FP in the kernel, and I could
  understand this might raise some issues. Rewriting the bandwidth would
  be a major undertaken in reverification, it's non-trivial to work out
  if a display can handle the complete set of mode information thrown at
  it.

  Future story:

  There is a TODO list with this, and it address most of the remaining
  things that would be nice to refine/remove. The DCN10 code is still
  under development internally and they push out a lot of patches quite
  regularly and are supporting this code base with their display team. I
  think we've reached the point where keeping it out of tree is going to
  motivate distributions to start carrying the code, so I'd prefer we
  get it in tree. I think this code is slightly better than STAGING
  quality but not massively so, I'd really like to see that float/double
  magic gone and fixed point used, but AMD don't seem to think the
  accuracy and revalidation of the code is worth the effort"

* tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux: (1110 commits)
  drm/amd/display: fix MST link training fail division by 0
  drm/amd/display: Fix formatting for null pointer dereference fix
  drm/amd/display: Remove dangling planes on dc commit state
  drm/amd/display: add flip_immediate to commit update for stream
  drm/amd/display: Miss register MST encoder cbs
  drm/amd/display: Fix warnings on S3 resume
  drm/amd/display: use num_timing_generator instead of pipe_count
  drm/amd/display: use configurable FBC option in dm
  drm/amd/display: fix AZ clock not enabled before program AZ endpoint
  amdgpu/dm: Don't use DRM_ERROR in amdgpu_dm_atomic_check
  amd/display: Fix potential null dereference in dce_calcs.c
  amdgpu/dm: Remove unused forward declaration
  drm/amdgpu: Remove unused dc_stream from amdgpu_crtc
  amdgpu/dc: Fix double unlock in amdgpu_dm_commit_planes
  amdgpu/dc: Fix missing null checks in amdgpu_dm.c
  amdgpu/dc: Fix potential null dereferences in amdgpu_dm.c
  amdgpu/dc: fix more indentation warnings
  amdgpu/dc: handle allocation failures in dc_commit_planes_to_stream.
  amdgpu/dc: fix indentation warning from smatch.
  amdgpu/dc: fix non-ansi function decls.
  ...
2017-11-17 14:34:42 -08:00
Sagar Arun Kamble
a269574489 drm/i915/guc: Rename i915_guc_submission.c|h to intel_guc_submission.c|h
With all component structures and functions named appropriately, change
the names of GuC submission source files. There were bunch of style issues
in guc_submission.c that are highlighted now by checkpatch. Fix those.
Update name in Documentation/gpu. (Joonas)

v2: Rebase.

v3: Rebase.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510839162-25197-6-git-send-email-sagar.a.kamble@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2017-11-16 15:06:18 +00:00
Daniel Vetter
9f44678161 drm/TODO: Clarify DRM_DEV_* conversion
Not everyone agrees this is the best thing, so make it really clear
that maintainers need to be asked first, then the conversion. We've
had a few newbies that did this the other way round, got their patches
rejected, which isn't the best newbie experience.

Cc: Sean Paul <seanpaul@chromium.org>
Acked-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171030131536.11654-1-daniel.vetter@ffwll.ch
2017-10-31 11:24:15 +01:00
Daniel Vetter
81a7bd4a3f drm: some KMS todo ideas
Inspired by discussions with Keith and Ville.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Keith Packard <keithp@keithp.com>
Acked-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017162918.8380-1-daniel.vetter@ffwll.ch
2017-10-18 10:15:02 +02:00
Dave Airlie
b9e56e41e0 Merge branch 'drm-next-4.15-dc' of git://people.freedesktop.org/~agd5f/linux into drm-next
Initial pull request for DC support.  We've completed a substantial amount of
the cleanup and restructuring in our TODO.  There are a few additional
cleanups that we are continuing to work on, but I don't think there are any
showstoppers remaining. We've tried to maintain most of the history for bisect
purposes.  Harry made sure all the commits build.  We've enabled DC for vega10
and Raven.  Pre-vega10 parts can be enabled via module parameter (amdgpu.dc=1),
but are not enabled by default at this point until we get further testing
upstream.

This code provides atomic modesetting support for DCE8 (CIK), DCE10 (Tonga,
Fiji), DCE11 (CZ, ST, Polaris), DCE12 (vega10), and DCN1 (RV) including
HDMI and DP audio, DP MST, and many other advanced display features.

+

Latest cleanups for DC from you and Harry.  Note that there is some
flickering on some older asics with this branch due to a regression in powerplay
that has already been fixed and will be included in my next non-DC pull request
next week.

* 'drm-next-4.15-dc' of git://people.freedesktop.org/~agd5f/linux: (897 commits)
  amdgpu/dc: use kref for dc_state.
  amdgpu/dc: convert dc_sink to kref.
  amdgpu/dc: convert dc_stream_state to kref.
  amdgpu/dc: use kref for dc_plane_state.
  amdgpu/dc: convert dc_gamma to kref reference counting.
  amdgpu/dc: convert dc_transfer to use a kref.
  amdgpu/dc: kill a bunch of dead code.
  amdgpu/dc: set a bunch of functions to static.
  amdgpu/dc: kill some deadcode in dc core.
  amdgpu/dc: fix indentation on a couple of returns.
  amdgpu/dm: don't use after free.
  amdgpu/dc: kfree already checks for NULL.
  amdgpu/dc: fix a bunch of misc whitespace.
  amdgpu/dc: drop hw_sequencer_types.h
  amdgpu/dc: drop dce110_types.h
  amdgpu/dc: use kernel ilog2 for log_2.
  amdgpu/dc: don't memset after kzalloc.
  amdgpu/dc: inline dal grph object id functions.
  amdgpu/dc: inline dml_round_to_multiple
  amdgpu/dc: rename bios get_image symbol to something more searchable.
  ...
2017-10-09 11:21:15 +10:00
Daniel Vetter
0d3c24e936 Merge airlied/drm-next into drm-misc-next
Just catching up with upstream.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-10-03 11:09:16 +02:00
Harry Wentland
0a26a45d1a drm/doc: Reference AMD DC todos
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28 16:47:35 -04:00
Dave Airlie
29baa82aa5 Merge tag 'drm-misc-next-2017-09-20' of git://anongit.freedesktop.org/git/drm-misc into drm-next
UAPI Changes:

Cross-subsystem Changes:

Core Changes:
- DP SDP defines (Ville)
- polish for scdc helpers (Thierry Reding)
- fix lifetimes for connector/plane state across crtc changes (Maarten
  Lankhorst).
- sparse fixes (Ville+Thierry)
- make legacy kms ioctls all interruptible (Maarten)
- push edid override into the edid helpers (out of probe helpers)
  (Jani)
- DP ESI defines for link status (DK)

Driver Changes:
- drm-panel is now in drm-misc!
- minor panel-simple cleanups/refactoring by various folks
- drm_bridge_add cleanup (Inki Dae)
- constify a few i2c_device_id structs (Arvind Yadav)
- More patches from Noralf's fb/gem helper cleanup
- bridge/synopsis: reset fix (Philippe Cornu)
- fix tracepoint include handling in drivers (Thierry)
- rockchip: lvds support (Sandy Huang)
- move sun4i into drm-misc fold (Maxime Ripard)
- sun4i: refactor driver load + support TCON backend/layer muxing
  (Chen-Yu Tsai)
- pl111: support more pl11x variants (Linus Walleij)
- bridge/adv7511: robustify probing/edid handling (Lars-Petersen
  Clausen)

New hw support:
- S6E63J0X03 panel (Hoegeun Kwon)
- OTM8009A panel (Philippe CORNU)
- Seiko 43WVF1G panel (Marco Franchi)
- tve200 driver (Linus Walleij)

Plus assorted of tiny patches all over, including our first outreachy
patches from applicants for the winter round!

* tag 'drm-misc-next-2017-09-20' of git://anongit.freedesktop.org/git/drm-misc: (101 commits)
  drm: add backwards compatibility support for drm_kms_helper.edid_firmware
  drm: handle override and firmware EDID at drm_do_get_edid() level
  drm/dp: DPCD register defines for link status within ESI field
  drm/rockchip: Replace dev_* with DRM_DEV_*
  drm/tinydrm: Drop driver registered message
  drm/gem-fb-helper: Use debug message on gem lookup failure
  drm/imx: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
  drm/bridge: adv7511: Constify HDMI CODEC platform data
  drm/bridge: adv7511: Enable connector polling when no interrupt is specified
  drm/bridge: adv7511: Remove private copy of the EDID
  drm/bridge: adv7511: Properly update EDID when no EDID was found
  drm/crtc: Convert setcrtc ioctl locking to interruptible.
  drm/atomic: Convert pageflip ioctl locking to interruptible.
  drm/legacy: Convert setplane ioctl locking to interruptible.
  drm/legacy: Convert cursor ioctl locking to interruptible.
  drm/atomic: Convert atomic ioctl locking to interruptible.
  drm/atomic: Prepare drm_modeset_lock infrastructure for interruptible waiting, v2.
  drm/tve200: Clean up panel bridging
  drm/doc: Update todo.rst
  drm/dp/mst: Sideband message transaction to power up/down nodes
  ...
2017-09-28 05:46:15 +10:00
Meghana Madhyastha
9949b355dc drm/Documentation: Refine TODO for backlight helpers in tinydrm
Add a summary which resulted from discussions on what should
be done to refactor backlight helpers in tinydrm so that
they can be used in other drivers as well.

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927105116.GA30391@meghana-HP-Pavilion-Notebook
2017-09-27 14:31:07 +02:00
Haneen Mohammed
d9c8022475 drm/doc: Remove todo item about "This is gross" comment
This patch remove the todo item "Use new IDR deletion interface to
clean up drm_gem_handle_delete()" after it has been resolved with
the commit "drm: Remove obsolete "This is gross" comment".

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170926210835.GA4622@Haneen
2017-09-27 10:42:57 +02:00
Daniel Vetter
be05fe130f drm/doc: Update todo.rst
We're using this for outreachy, unfortunately someone already tried to
look at a task that was done already :-(

Update them all.

Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170911065151.22672-1-daniel.vetter@ffwll.ch
2017-09-11 12:41:35 -04:00
Sean Paul
45ae2787a0 drm/todo: Add s/dev_*/DRM_DEV_*/ coversion to TODO
Now that we have the DRM_DEV_* variants, we should use them.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170908143218.9701-1-seanpaul@chromium.org
2017-09-08 12:11:05 -04:00
Linus Walleij
179c02fe90 drm/tve200: Add new driver for TVE200
This adds a new DRM driver for the Faraday Technology TVE200
block. This "TV Encoder" encodes a ITU-T BT.656 stream and can
be found in the StorLink SL3516 (later Cortina Systems CS3516)
as well as the Grain Media GM8180.

I do not have definitive word from anyone at Faraday that this
IP block is theirs, but it bears the hallmark of their 3-digit
version code (200) and is used in two SoCs from completely
different companies. (Grain Media was fully owned by Faraday
until it was transferred to NovoTek this january, and
Faraday did lots of work on the StorLink SoCs.)

The D-Link DIR-685 uses this in connection with the Ilitek
ILI9322 panel driver that supports BT.656 input, while the
GM8180 apparently has been used with the Cirrus Logic CS4954
digital video encoder. The oldest user seems to be
something called Techwall 2835.

This driver is heavily inspired by Eric Anholt's PL111
driver and therefore I have mentioned all the ancestor authors
in the header file.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170820100557.24991-2-linus.walleij@linaro.org
2017-08-23 23:08:36 +02:00
Daniel Vetter
371cadd8c4 drm/doc: Document ioctl errno value patterns
We're not super-consistent about these, but I think it's worth to
document at least the commmon patterns.

v2:
- Add a not about ENOTTY (it's just a confusing name, but used
exactly what it's meant for in DRM) (Chris).
- Unconfuse the text for ENODEV (Daniel)
- Move text undert the IOCTL heading (Chris).
- typos

Cc: Daniel Stone <daniel@fooishbar.org>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Zhang, Tina" <tina.zhang@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170818174328.6386-1-daniel.vetter@ffwll.ch
2017-08-23 15:09:26 +02:00
Dave Airlie
735f463af7 Merge tag 'drm-intel-next-2017-08-18' of git://anongit.freedesktop.org/git/drm-intel into drm-next
Final pile of features for 4.14

- New ioctl to change NOA configurations, plus prep (Lionel)
- CCS (color compression) scanout support, based on the fancy new
  modifier additions (Ville&Ben)
- Document i915 register macro style (Jani)
- Many more gen10/cnl patches (Rodrigo, Pualo, ...)
- More gpu reset vs. modeset duct-tape to restore the old way.
- prep work for cnl: hpd_pin reorg (Rodrigo), support for more power
  wells (Imre), i2c pin reorg (Anusha)
- drm_syncobj support (Jason Ekstrand)
- forcewake vs gpu reset fix (Chris)
- execbuf speedup for the no-relocs fastpath, anv/vk low-overhead ftw (Chris)
- switch to idr/radixtree instead of the resizing ht for execbuf id->vma
  lookups (Chris)

gvt:
- MMIO save/restore optimization (Changbin)
- Split workload scan vs. dispatch for more parallel exec (Ping)
- vGPU full 48bit ppgtt support (Joonas, Tina)
- vGPU hw id expose for perf (Zhenyu)

Bunch of work all over to make the igt CI runs more complete/stable.
Watch https://intel-gfx-ci.01.org/tree/drm-tip/shards-all.html for
progress in getting this ready. Next week we're going into production
mode (i.e. will send results to intel-gfx) on hsw, more platforms to
come.

Also, a new maintainer tram, I'm stepping out. Huge thanks to Jani for
being an awesome co-maintainer the past few years, and all the best
for Jani, Joonas&Rodrigo as the new maintainers!

* tag 'drm-intel-next-2017-08-18' of git://anongit.freedesktop.org/git/drm-intel: (179 commits)
  drm/i915: Update DRIVER_DATE to 20170818
  drm/i915/bxt: use NULL for GPIO connection ID
  drm/i915: Mark the GT as busy before idling the previous request
  drm/i915: Trivial grammar fix s/opt of/opt out of/ in comment
  drm/i915: Replace execbuf vma ht with an idr
  drm/i915: Simplify eb_lookup_vmas()
  drm/i915: Convert execbuf to use struct-of-array packing for critical fields
  drm/i915: Check context status before looking up our obj/vma
  drm/i915: Don't use MI_STORE_DWORD_IMM on Sandybridge/vcs
  drm/i915: Stop touching forcewake following a gen6+ engine reset
  MAINTAINERS: drm/i915 has a new maintainer team
  drm/i915: Split pin mapping into per platform functions
  drm/i915/opregion: let user specify override VBT via firmware load
  drm/i915/cnl: Reuse skl_wm_get_hw_state on Cannonlake.
  drm/i915/gen10: implement gen 10 watermarks calculations
  drm/i915/cnl: Fix LSPCON support.
  drm/i915/vbt: ignore extraneous child devices for a port
  drm/i915/cnl: Setup PAT Index.
  drm/i915/edp: Allow alternate fixed mode for eDP if available.
  drm/i915: Add support for drm syncobjs
  ...
2017-08-22 10:03:07 +10:00
Noralf Trønnes
4c3dbb2c31 drm: Add GEM backed framebuffer library
This library provides helpers for drivers that don't subclass
drm_framebuffer and are backed by drm_gem_object. The code is
taken from drm_fb_cma_helper.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-2-git-send-email-noralf@tronnes.org
2017-08-16 21:32:23 +02:00
Jani Nikula
1aa920ea0e drm/i915: add register macro definition style guide
This is not to try to force a new style; this is my interpretation of
what the most common existing style is.

With hopes I don't need to answer so many questions about style going
forward.

Start a new style section in the i915 document to bolt the register
style guide into.

v2: vertical alignment, incorporate to kernel-doc, and more

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9de4a5b1bea4e76461c70a1dd66751581de0124f.1502368010.git.jani.nikula@intel.com
2017-08-10 22:47:32 +03:00
Jani Nikula
83e92c218d Documentation/i915: remove sphinx conversion artefact
Remove old warning about docproc directive that's not supported in the
Sphinx toolchain.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7fc8a110b78a9dc9a585dce643b68b4200b7e793.1502368010.git.jani.nikula@intel.com
2017-08-10 22:46:49 +03:00
Daniel Vetter
148b1e115e Merge airlied/drm-next into drm-intel-next-queued
Ben Widawsky/Daniel Stone need the extended modifier support from
drm-misc to be able to merge CCS support for i915.ko

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-08-10 18:12:01 +02:00
Lionel Landwerlin
f89823c212 drm/i915/perf: Implement I915_PERF_ADD/REMOVE_CONFIG interface
The motivation behind this new interface is expose at runtime the
creation of new OA configs which can be used as part of the i915 perf
open interface. This will enable the kernel to learn new configs which
may be experimental, or otherwise not part of the core set currently
available through the i915 perf interface.

v2: Drop DRM_ERROR for userspace errors (Matthew)
    Add padding to userspace structure (Matthew)
    s/guid/uuid/ (Matthew)

v3: Use u32 instead of int to iterate through registers (Matthew)

v4: Lock access to dynamic config list (Lionel)

v5: by Matthew:
    Fix uninitialized error values
    Fix incorrect unwiding when opening perf stream
    Use kmalloc_array() to store register
    Use uuid_is_valid() to valid config uuids
    Declare ioctls as write only
    Check padding members are set to 0
    by Lionel:
    Return ENOENT rather than EINVAL when trying to remove non
    existing config

v6: by Chris:
    Use ref counts for OA configs
    Store UUID in drm_i915_perf_oa_config rather then using pointer
    Shuffle fields of drm_i915_perf_oa_config to avoid padding

v7: by Chris
    Rename uapi pointers fields to end with '_ptr'

v8: by Andrzej, Marek, Sebastian
    Update register whitelisting
    by Lionel
    Add more register names for documentation
    Allow configuration programming in non-paranoid mode
    Add support for value filter for a couple of registers already
    programmed in other part of the kernel

v9: Documentation fix (Lionel)
    Allow writing WAIT_FOR_RC6_EXIT only on Gen8+ (Andrzej)

v10: Perform read access_ok() on register pointers (Lionel)

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Andrzej Datczuk <andrzej.datczuk@intel.com>
Reviewed-by: Andrzej Datczuk <andrzej.datczuk@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170803165812.2373-2-lionel.g.landwerlin@intel.com
2017-08-03 18:19:53 +01:00
Thierry Reding
0cac6ac198 drm: todo: Avoid accidental crossreferences
RST uses underscores at the end of words to create crossreferences and
it will accidentally try to link to tinydrm_ and drm_fb_ targets from
the TODO, which is clearly not the intention in this context.

Use backslashes to escape the special meaning of the underscore.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170731124259.7495-1-thierry.reding@gmail.com
2017-07-31 16:03:53 +02:00
Daniel Vetter
af05559854 Merge airlied/drm-next into drm-misc-next
I need this to be able to apply the deferred fbdev setup patches, I
need the relevant prep work that landed through the drm-intel tree.

Also squash in conflict fixup from Laurent Pinchart.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26 13:43:33 +02:00