Commit Graph

753389 Commits

Author SHA1 Message Date
Dave Airlie b8a71080ad Last drm/i915 changes for v4.18:
- NV12 enabling (Chandra, Maarten)
 - ICL workarounds (Oscar)
 - ICL basic DPLL enabling (Paulo)
 - GVT updates
 - DP link config refactoring (Jani)
 - Module parameter to override DMC firmware (Jani)
 - PSR updates (José, DK, Daniel, Ville)
 - ICL DP vswing programming (Manasi)
 - ICL DBuf slice updates (Mahesh)
 - Selftest fixes and updates (Chris, Matthew, Oscar)
 - Execlist fixes and updates (Chris)
 - Stolen memory first 4k fix (Hans de Goede)
 - wait_for fixes (Mika)
 - Tons of GEM improvements (Chris)
 - Plenty of other fixes and improvements (Everyone)
 - Crappy changelog (Me)
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Merge tag 'drm-intel-next-2018-05-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Last drm/i915 changes for v4.18:

- NV12 enabling (Chandra, Maarten)
- ICL workarounds (Oscar)
- ICL basic DPLL enabling (Paulo)
- GVT updates
- DP link config refactoring (Jani)
- Module parameter to override DMC firmware (Jani)
- PSR updates (José, DK, Daniel, Ville)
- ICL DP vswing programming (Manasi)
- ICL DBuf slice updates (Mahesh)
- Selftest fixes and updates (Chris, Matthew, Oscar)
- Execlist fixes and updates (Chris)
- Stolen memory first 4k fix (Hans de Goede)
- wait_for fixes (Mika)
- Tons of GEM improvements (Chris)
- Plenty of other fixes and improvements (Everyone)
- Crappy changelog (Me)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Mon 14 May 2018 11:04:24 PM AEST
# gpg:                using RSA key D398079D26ABEE6F
# gpg: Good signature from "Jani Nikula <jani.nikula@intel.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1565 A65B 77B0 632E 1124  E59C D398 079D 26AB EE6F

# Conflicts:
#	drivers/gpu/drm/i915/intel_lrc.c
#	drivers/gpu/drm/i915/intel_sprite.c
Link: https://patchwork.freedesktop.org/patch/msgid/87k1s51bvw.fsf@intel.com
2018-05-16 07:10:13 +10:00
Dave Airlie 2045b22461 drm-misc-next for v4.18:
UAPI Changes:
 - Fix render node number regression from control node removal.
 
 Driver Changes:
 - Small header fix for virgl, used by qemu.
 - Use vm_fault_t in qxl.
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Merge tag 'drm-misc-next-2018-05-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v4.18:

UAPI Changes:
- Fix render node number regression from control node removal.

Driver Changes:
- Small header fix for virgl, used by qemu.
- Use vm_fault_t in qxl.

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Tue 15 May 2018 06:16:03 PM AEST
# gpg:                using RSA key FE558C72A67013C3
# gpg: Can't check signature: public key not found
Link: https://patchwork.freedesktop.org/patch/msgid/e63306b9-67a0-74ab-8883-08b3d9db72d2@mblankhorst.nl
2018-05-15 19:25:07 +10:00
Dave Airlie c76f0b2cc2 Merge tag 'drm-amdkfd-next-2018-05-14' of git://people.freedesktop.org/~gabbayo/linux into drm-next
This is amdkfd pull for 4.18. The major new features are:

- Add support for GFXv9 dGPUs (VEGA)
- Add support for userptr memory mapping

In addition, there are a couple of small fixes and improvements, such as:
- Fix lock handling
- Fix rollback packet in kernel kfd_queue
- Optimize kfd signal handling
- Fix CP hang in APU

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180514070126.GA1827@odedg-x270
2018-05-15 16:06:08 +10:00
Dave Airlie 444ac87bec - Add S5PV210 FIMD variant support.
- Add IPP v2 framework.
   . it is a rewritten version of the Exynos mem-to-mem image processing
     framework which supprts color space conversion, image up/down-scaling
     and rotation. This new version replaces existing userspace API with
     new easy-to-use and simple ones so we have already applied the use of
     these API to real user, Tizen Platform[1], and also makes existing
     Scaler, FIMC, GScaler and Rotator drivers to use IPP v2 core API.
 
     And below are patch lists we have applied to a real user,
     https://git.tizen.org/cgit/platform/adaptation/samsung_exynos/libtdm-exynos/log/?h=tizen&qt=grep&q=ipp
     https://git.tizen.org/cgit/platform/adaptation/samsung_exynos/libtdm-exynos/commit/?h=tizen&id=b59be207365d10efd489e6f71c8a045b558c44fe
     https://git.tizen.org/cgit/platform/kernel/linux-exynos/log/?h=tizen&qt=grep&q=ipp
 
     TDM(Tizen Display Manager) is a Display HAL for Tizen platform.
     Ps. Only real user using IPP API is Tizen.
 
     [1] https://www.tizen.org/
 
 - Two cleanups
   . One is to just remove mode_set callback from MIPI-DSI driver
     because drm_display_mode data is already available from crtc
     atomic state.
   . And other is to just use new return type, vm_fault_t
     for page fault handler.
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Merge tag 'exynos-drm-next-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next

- Add S5PV210 FIMD variant support.

- Add IPP v2 framework.
  . it is a rewritten version of the Exynos mem-to-mem image processing
    framework which supprts color space conversion, image up/down-scaling
    and rotation. This new version replaces existing userspace API with
    new easy-to-use and simple ones so we have already applied the use of
    these API to real user, Tizen Platform[1], and also makes existing
    Scaler, FIMC, GScaler and Rotator drivers to use IPP v2 core API.

    And below are patch lists we have applied to a real user,
    https://git.tizen.org/cgit/platform/adaptation/samsung_exynos/libtdm-exynos/log/?h=tizen&qt=grep&q=ipp
    https://git.tizen.org/cgit/platform/adaptation/samsung_exynos/libtdm-exynos/commit/?h=tizen&id=b59be207365d10efd489e6f71c8a045b558c44fe
    https://git.tizen.org/cgit/platform/kernel/linux-exynos/log/?h=tizen&qt=grep&q=ipp

    TDM(Tizen Display Manager) is a Display HAL for Tizen platform.
    Ps. Only real user using IPP API is Tizen.

    [1] https://www.tizen.org/

- Two cleanups
  . One is to just remove mode_set callback from MIPI-DSI driver
    because drm_display_mode data is already available from crtc
    atomic state.
  . And other is to just use new return type, vm_fault_t
    for page fault handler.

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Mon 14 May 2018 14:23:53 AEST
# gpg:                using RSA key 573834890C4312B8
# gpg: Can't check signature: public key not found
Link: https://patchwork.freedesktop.org/patch/msgid/1526276453-29879-1-git-send-email-inki.dae@samsung.com
2018-05-15 15:37:07 +10:00
Dave Airlie ba72385b33 Merge branch 'mediatek-drm-next-4.18' of https://github.com/ckhu-mediatek/linux.git-tags into drm-next
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525670872.3147.6.camel@mtksdaap41
2018-05-15 15:33:30 +10:00
Dave Airlie 9037d4b98b Merge branch 'drm/du/next' of git://linuxtv.org/pinchartl/media into drm-next
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2792436.F0zlxykWp6@avalon
2018-05-15 15:23:48 +10:00
Jani Nikula 01f83786f9 drm/i915: Update DRIVER_DATE to 20180514
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2018-05-14 15:28:05 +03:00
Chris Wilson 0c591a40af drm/i915: Mark up nested spinlocks
When we process the outstanding requests upon banning a context, we need
to acquire both the engine and the client's timeline, nesting the locks.
This requires explicit markup as the two timelines are now of the same
class, since commit a89d1f921c ("drm/i915: Split i915_gem_timeline into
individual timelines").

Testcase: igt/gem_eio/banned
Fixes: a89d1f921c ("drm/i915: Split i915_gem_timeline into individual timelines")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180512084957.9829-1-chris@chris-wilson.co.uk
2018-05-14 11:49:09 +01:00
Souptick Joarder 68266f1c08 gpu: drm: qxl: Adding new typedef vm_fault_t
Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.

Reference id -> 1c8f422059 ("mm: change return type to
vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180417133844.GA30256@jordon-HP-15-Notebook-PC
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-05-14 11:01:30 +02:00
Dave Airlie 110ab11d41 drm/virtio: add define for second capset to the virgl code.
Although the kernel doesn't use this, qemu imports these headers
and it's best to keep them consistent.

This define is also something userspace may want to use.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180503021021.10694-1-airlied@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-05-14 11:01:29 +02:00
Chris Wilson 4db518e4e8 drm/i915/execlists: Relax CSB force-mmio for VT-d
The original switch to use CSB from the HWSP was plagued by the effect
of read ordering on VT-d; we would read the WRITE pointer from the HWSP
before it had completed writing the CSB contents. The mystery comes down
to the lack of rmb() for correct ordering with respect to the writes
from HW, and with that resolved we can remove the VT-d special casing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180511121147.31915-3-chris@chris-wilson.co.uk
Tested-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
2018-05-14 09:40:58 +01:00
Jani Nikula b1705f729d Merge tag 'gvt-next-2018-05-14' of https://github.com/intel/gvt-linux into drm-intel-next-queued
- Improve the emulation of virtual non-priv register. (Yan)
- Reverse the hack of host of preeption of GVT-g. (Weinan)
- Improve untracked warning message.(Changbin)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ebae7cf1-6550-bb44-74a2-d3a014051804@intel.com
2018-05-14 11:18:06 +03:00
Eric Anholt c9ac371d4b drm: Fix render node numbering regression from control node removal.
drm_minor_alloc() does multiplication on this enum, so the removal
ended up moving render nodes down from 128 base to 64.  This caused
Mesa's surfaceless backend to be unable to open the render nodes,
since it was still looking up at 128.

v2: Add a comment warning the next person.

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 0d49f303e8 ("drm: remove all control node code")
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180509001425.12574-1-eric@anholt.net
2018-05-14 07:43:09 +01:00
Dave Airlie 2989b3ced3 tilcdc v4.18 pull request
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Merge tag 'tilcdc-4.18' of https://github.com/jsarha/linux into drm-next

tilcdc v4.18 pull request

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Thu 10 May 2018 03:30:33 AM AEST
# gpg:                using RSA key 9036B350D7D61941
# gpg: Can't check signature: public key not found
Link: https://patchwork.freedesktop.org/patch/msgid/2502349c-87fd-57e8-d950-835ffb6c449f@ti.com
2018-05-14 16:32:21 +10:00
Andrzej Hajda e8929999fa drm/exynos/dsi: remove mode_set callback
The callback was used only to copy provided mode to context for later
usage. Since the mode is always available from crtc atomic state this code
can be removed.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-05-14 08:06:45 +09:00
Weinan Li 41e403d04e Revert "drm/i915/gvt: set max priority for gvt context"
This reverts commit 11474e9091.

There are issues which will block the host preemption before, instead of
disabling it use one workaround "setting max priority for gvt context"
to avoid the gvt context be preempted by the host. Now the issues have been
cleared, so revert this patch to enable host preemption.

v2:
- refine description(Zhenyu)

Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
2018-05-14 05:26:09 +08:00
Zhi Wang bba9525520 Merge branch 'drm-intel-next-queued' into gvt-next
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
2018-05-14 05:22:01 +08:00
Zhao Yan cb8ba171ae drm/i915/gvt: let force_to_nonpriv cmd handler only valid for LRI cmd
the cmd_reg_handler() is called by cmds LRM, PIPE_CTRL, SRM...
for LRM, SRM, we cannot get write data in a simple way.
On other side,  the force_to_nonpriv reigsters will only be written in LRI
in current drivers. so we don't want to bother the handler to handle those
memory access cmds, just leave a print message here.

Signed-off-by: Zhao Yan <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-05-14 05:18:56 +08:00
Zhao Yan 0438a10598 drm/i915/gvt: do not return error on handling force_to_nonpriv registers
Return error will cause vm hang and enter failsafe mode.
However, we don't want that happen on detecting an wrong force_to_nonpriv
register write.
Therefore, we just omit the wrong write or patch it to default value.

v2: only return 0 on detecting lri write of registers outside whitelist,
but still return error on other error conditions.  (zhenyu wang)

Signed-off-by: Zhao Yan <yan.y.zhao@intel.com>
Reviewed-by: Zhang Yulei <yulei.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-05-14 05:18:55 +08:00
Zhao Yan 3d8b9e258b drm/i915/gvt: let NOPID be the default value of force_to_nonpriv registers
Each ring has a NOPID register and currently they are regarded as default
value of force_to_nonpriv registers in guest drivers

Signed-off-by: Zhao Yan <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-05-14 05:18:55 +08:00
Changbin Du b99f514f5d drm/i915/gvt: Remove disable_warn_untrack and print untracked mmio with debug level
The disable_warn_untrack never prevent gvt from printing untracked
mmio errors. We were disturbed by this error storm and the fix is
just adding them to the list with no essential new change.

This message is only useful for enabling new platform during
developing process. So lower the message level to debug and then
remove disable_warn_untrack.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-05-14 05:18:54 +08:00
Michel Thierry 0c79f9cb77 drm/i915/gen9: Add WaClearHIZ_WM_CHICKEN3 for bxt and glk
Factor in clear values wherever required while updating destination
min/max.

References: HSDES#1604444184
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Cc: mesa-dev@lists.freedesktop.org
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180510200708.18097-1-michel.thierry@intel.com
Cc: stable@vger.kernel.org
2018-05-13 10:29:44 +01:00
Matthew Auld f79401b477 drm/i915/selftests: scrub 64K
We write all 4K page entries, even when using 64K pages. In order to
verify that the HW isn't cheating by using the 4K PTE instead of the 64K
PTE, we want to remove all the surplus entries. If the HW skipped the
64K PTE, it will read/write into the scratch page instead - which we
detect as missing results during selftests.

v2: much improved commentary (Chris)

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Changbin Du <changbin.du@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180511095140.25590-1-matthew.auld@intel.com
2018-05-13 10:29:18 +01:00
Chris Wilson e896d29a54 drm/i915/oa: Check that OA is disabled before unpinning
Before we unpin the buffer used for OA reports and return it to the
system, we need to be sure that the HW has finished writing into it.
For lack of a better idea, poll OACONTROL to check it is switched off.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106379
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Tested-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180511135207.12880-1-chris@chris-wilson.co.uk
2018-05-11 17:17:46 +01:00
Maarten Lankhorst 94cc2fde36 Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-misc-next is still based on v4.16-rc7, and was getting a bit stale.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2018-05-11 18:08:10 +02:00
Chris Wilson e71a82d8c1 Revert "drm/i915/cnl: Use mmio access to context status buffer"
In the previous patch (to include a rmb() after readig the CSB WRITE
pointer from the HWSP) we believe we have fixed the underlying bug, and
so can re-enable using the HWSP on Cannolake.

This reverts commit 61bf9719fa ("drm/i915/cnl: Use mmio access to
context status buffer").

References: https://bugs.freedesktop.org/show_bug.cgi?id=105888
References: https://bugs.freedesktop.org/show_bug.cgi?id=106185
References: 61bf9719fa ("drm/i915/cnl: Use mmio access to context status buffer")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Timo Aaltonen <tjaalton@ubuntu.com>
Tested-by: Timo Aaltonen <tjaalton@ubuntu.com>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180511121147.31915-2-chris@chris-wilson.co.uk
2018-05-11 16:41:43 +01:00
Chris Wilson 77dfedb5be drm/i915/execlists: Use rmb() to order CSB reads
We assume that the CSB is written using the normal ringbuffer
coherency protocols, as outlined in kernel/events/ring_buffer.c:

    *   (HW)                              (DRIVER)
    *
    *   if (LOAD ->data_tail) {            LOAD ->data_head
    *                      (A)             smp_rmb()       (C)
    *      STORE $data                     LOAD $data
    *      smp_wmb()       (B)             smp_mb()        (D)
    *      STORE ->data_head               STORE ->data_tail
    *   }

So we assume that the HW fulfils its ordering requirements (B), and so
we should use a complimentary rmb (C) to ensure that our read of its
WRITE pointer is completed before we start accessing the data.

The final mb (D) is implied by the uncached mmio we perform to inform
the HW of our READ pointer.

References: https://bugs.freedesktop.org/show_bug.cgi?id=105064
References: https://bugs.freedesktop.org/show_bug.cgi?id=105888
References: https://bugs.freedesktop.org/show_bug.cgi?id=106185
Fixes: 767a983ab2 ("drm/i915/execlists: Read the context-status HEAD from the HWSP")
References: 61bf9719fa ("drm/i915/cnl: Use mmio access to context status buffer")
Suggested-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Timo Aaltonen <tjaalton@ubuntu.com>
Tested-by: Timo Aaltonen <tjaalton@ubuntu.com>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180511121147.31915-1-chris@chris-wilson.co.uk
2018-05-11 16:41:43 +01:00
Oscar Mateo 73f4e8a338 drm/i915/icl: WaForwardProgressSoftReset
Avoids a hang during soft reset.

v2: Rebased on top of the WA refactoring
v3: Added References (Mika)
v4:
  - Rebased
  - C, not lisp (Chris)
  - Which steppings affected by this are not clear.
    For the moment, apply unconditionally as per the
    BSpec (Mika)
  - Add reference to another HSD also related

References: HSDES#1405476379
References: HSDES#2006612137
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-14-git-send-email-oscar.mateo@intel.com
2018-05-11 15:58:16 +03:00
Oscar Mateo 5ba700c73a drm/i915/icl: Wa_1406838659
Disable CGPSF unit clock gating to prevent an issue.

v2: Rebased on top of the WA refactoring
v3: Added References (Mika)
v4:
  - Rebased
  - C, not lisp (Chris)
  - Remove unintentional whitespaces (Mika)
  - Fixed in C0 (Mika)

References: HSDES#1406838659
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-13-git-send-email-oscar.mateo@intel.com
2018-05-11 15:57:53 +03:00
Oscar Mateo 5215eef35f drm/i915/icl: Wa_1604302699
Disable I2M Write for performance reasons.

v2: Rebased on top of the WA refactoring
v3: Added References (Mika)
v4:
  - Rebased
  - C, not lisp (Chris)
  - GEN7 chicken bit in the wrong side of the fence (Mika)
  - Use two spaces to align bit macros

References: HSDES#1604302699
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-12-git-send-email-oscar.mateo@intel.com
2018-05-11 15:57:35 +03:00
Oscar Mateo 36204d80ba drm/i915/icl: Wa_1406680159
Disable GWL clock gating to prevent an issue that might
cause hangs.

v2: Rebased on top of the WA refactoring
v3: Wa_2201832410 officially merged with Wa_1406680159
v4: Added References (Mika)
v5:
  - Rebased
  - C, not lisp (Chris)
  - Add reference where WA is better explained (Rodrigo)
  - Add reference to WA that got merged with this

References: HSDES#1406681710
References: HSDES#1406680159
References: HSDES#2201832410
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-11-git-send-email-oscar.mateo@intel.com
2018-05-11 15:57:18 +03:00
Oscar Mateo 0a437d4981 drm/i915/icl: Wa_1405779004
Disable MSC clock gating to prevent data corruption.

BSpec: 19257

v2: Rebased on top of the WA refactoring
v3: Added References (Mika)
v4:
  - Rebased
  - C, not lisp (Chris)
  - A0 only (Mika)

References: HSDES#1405779004
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-10-git-send-email-oscar.mateo@intel.com
2018-05-11 15:57:00 +03:00
Oscar Mateo 908ae05173 drm/i915/icl: WaDisCtxReload
Revert to the legacy implementation to avoid a system hang.

v2: Correct the address for GAMW_ECO_DEV_RW_IA_REG
v3: Renamed to Wa_220166154
v4: Rebased on top of the WA refactoring
v5: Added References (Mika)
v6:
  - Rebased
  - C, not lisp (Chris)

References: HSDES#220166154
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-9-git-send-email-oscar.mateo@intel.com
2018-05-11 15:56:28 +03:00
Oscar Mateo 6b967dc392 drm/i915/icl: WaCL2SFHalfMaxAlloc
This workarounds an issue with insufficient storage for the
CL2 and SF units.

v2: Renamed to Wa_1405766107
v3: Wrapped the commit message
v4: Rebased on top of the WA refactoring
v5: Added References (Mika)
v6:
  - Rebased
  - s/MACALLOC/MAXALLOC (Mika)
  - C, not lisp (Chris)

References: HSDES#1405766107
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-8-git-send-email-oscar.mateo@intel.com
2018-05-11 15:56:08 +03:00
Oscar Mateo 5246ae4bdb drm/i915/icl: WaDisableCleanEvicts
Avoids an undefined LLC behavior.

BSpec: 9613

v2: Renamed to Wa_1405733216
v3: Spaces around '<<' and fix surrounding code
v4: Rebased on top of the WA refactoring
v5: Added References (Mika)
v6:
  - Rebased
  - C, not lisp (Chris)

References: HSDES#1405733216
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-7-git-send-email-oscar.mateo@intel.com
2018-05-11 15:55:52 +03:00
Oscar Mateo f4a357140a drm/i915/icl: WaModifyGamTlbPartitioning
Adjust default GAM TLB partitioning for performance reasons.

v2: Only touch the bits that we really need
v3: Rebased on top of the WA refactoring
v4:
  - Added References (Mika)
  - Rebased
v5:
  - Rebased
  - C, not lisp (Chris)
  - Correct reference number (Mika)

References: HSDES#220160670
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-6-git-send-email-oscar.mateo@intel.com
2018-05-11 15:55:35 +03:00
Oscar Mateo d41bab6879 drm/i915/icl: WaL3BankAddressHashing
Revert to an L3 non-hash model, for performance reasons.

v2:
  - Place the WA name above the actual change
  - Improve the register naming
v3:
  - Rebased
  - Renamed to Wa_1604223664
v4: Rebased on top of the WA refactoring
v5:
  - Added References (Mika)
  - Fixed wrong mask and value (Mika)
  - Do not apply together with another WA for the same
    register (not worth the hassle)
v6:
  - Rebased
  - C, not lisp (Chris)

References: HSDES#1604223664
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-5-git-send-email-oscar.mateo@intel.com
2018-05-11 15:55:13 +03:00
Oscar Mateo 5bcebe7670 drm/i915/icl: WaGAPZPriorityScheme
The default GAPZ arbitrer priority value at power-on has been found
to be incorrect.

v2: Now renamed to Wa_1405543622
v3: Rebased on top of the WA refactoring
v4: Added HSDES reference number (Mika)
v5:
  - Rebased
  - C, not lisp (Chris)

References: HSDES#1405543622
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-4-git-send-email-oscar.mateo@intel.com
2018-05-11 15:54:46 +03:00
Oscar Mateo d65dc3e40b drm/i915/icl: Enable Sampler DFR
Sampler Dynamic Frequency Rebalancing (DFR) aims to reduce Sampler
power by dynamically changing its clock frequency in low-throughput
conditions. This patches enables it by default on Gen11.

v2: Wrong operation to clear the bit (Praveen)
v3: Rebased on top of the WA refactoring
v4: Move to icl_init_clock_gating, since it's not a WA (Rodrigo)
v5: C, not lisp (Chris)

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Praveen Paneri <praveen.paneri@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-3-git-send-email-oscar.mateo@intel.com
2018-05-11 15:54:18 +03:00
Oscar Mateo cc38cae7c4 drm/i915/icl: Introduce initial Icelake Workarounds
Inherit workarounds from previous platforms that are still valid for
Icelake.

v2: GEN7_ROW_CHICKEN2 is masked
v3:
  - Since it has been fixed already in upstream, removed the TODO
    comment about WA_SET_BIT for WaInPlaceDecompressionHang.
  - Squashed with this patch:
      drm/i915/icl: add icelake_init_clock_gating()
    from Paulo Zanoni <paulo.r.zanoni@intel.com>
  - Squashed with this patch:
      drm/i915/icl: WaForceEnableNonCoherent
    from Oscar Mateo <oscar.mateo@intel.com>
  - WaPushConstantDereferenceHoldDisable is now Wa_1604370585 and
    applies to B0 as well.
  - WaPipeControlBefore3DStateSamplePattern WABB was being applied
    to ICL incorrectly.
v4:
  - Wrap the commit message
  - s/dev_priv/p to please checkpatch
v5: Rebased on top of the WA refactoring
v6: Rebased on top of further whitelist registers refactoring (Michel)
v7: Added WaRsForcewakeAddDelayForAck
v8: s/ICL_HDC_CHICKEN0/ICL_HDC_MODE (Mika)
v9:
  - C, not lisp (Chris)
  - WaIncreaseDefaultTLBEntries is the same for GEN > 9_LP (Tvrtko)

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-2-git-send-email-oscar.mateo@intel.com
2018-05-11 15:53:20 +03:00
Mika Kuoppala ca6acc2525 drm/i915/gtt: Trust the uncached store to flush wcb
Not all architectures guarantee that uncached read will
flush the write combining buffer. So marking it explicitly
is recommended [1].

However we know the architecture we are operating on
and can avoid wmb as the UC store will flush the wcb [2].

Omit the wmb() before invalidate as redudant.

v2: squash combining and removal (Chris)
v3: remove obsolete comments about posting reads (Chris)

References: http://yarchive.net/comp/linux/write_combining.html [1]
References: http://download.intel.com/design/PentiumII/applnots/24442201.pdf [2]
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180508124154.14586-1-mika.kuoppala@linux.intel.com
2018-05-11 15:52:21 +03:00
Chandra Konduru 429204f105 drm/i915: Add NV12 as supported format for sprite plane
This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
- Removed skl_plane_formats_with_nv12 and added
NV12 case in existing skl_plane_formats
- Added the 10bpc RGB formats

v4: Addressed review comments from Clinton A Taylor
"Why are we adding 10 bit RGB formats with the NV12 series patches?
Trying to set XR30 or AB30 results in error returned even though
the modes are advertised for the planes"
- Removed 10bit RGB formats added previously with NV12 series

v5: Missed the Tested-by/Reviewed-by in the previous series
Adding the same to commit message in this version.
Addressed review comments from Clinton A Taylor
"Why are we adding 10 bit RGB formats with the NV12 series patches?
Trying to set XR30 or AB30 results in error returned even though
the modes are advertised for the planes"
- Previous version has 10bit RGB format removed from VLV formats
by mistake. Fixing that in this version.
Removed 10bit RGB formats added previously with NV12 series
for SKL.

v6: Addressed review comments by Ville
Restricting the NV12 to BXT and PIPE A and B

v7: Rebased (me)

v8: Rebased (me)
Restricting NV12 changes to BXT and KBL
Restricting NV12 changes for plane 0 (overlay)

v9: Rebased (me)

v10: Addressed review comments from Maarten.
Adding NV12 to skl_plane_formats itself.

v11: Addressed review comments from Shashank Sharma

v12: Addressed review comments from Shashank Sharma
Made the condition in intel_sprite_plane_create
simple and easy to read as suggested.

v13: Adding reviewed by tag from Shashank Sharma
Addressed review comments from Juha-Pekka Heikkila
"NV12 not to be supported by SKL"

v14: Addressed review comments from Ville
Added skl_planar_formats to include NV12
and a check skl_plane_has_planar in sprite create
Added NV12 format to skl_mod_supported. These were
review comments from Kristian Høgsberg <hoegsberg@gmail.com>

v15: Added reviewed by from Juha-Pekka Heikkila

v16: Rebased the series

v17: Added all tiling under mod supported for NV12
Credits to Megha Aggarwal

v18: Added RB by Maarten and Kristian

v19: Addressed review comments from Maarten
Made modification to skl_mod_supported

Credits-to: Megha Aggarwal <megha.aggarwal@intel.com>
Credits-to: Kristian Høgsberg <hoegsberg@gmail.com>
Reviewed-by: Kristian Høgsberg <hoegsberg@gmail.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-7-git-send-email-vidya.srinivas@intel.com
2018-05-11 10:19:48 +02:00
Chandra Konduru c0b56ab544 drm/i915: Add NV12 as supported format for primary plane
This patch adds NV12 to list of supported formats for
primary plane

v2: Rebased (Chandra Konduru)

v3: Rebased (me)

v4: Review comments by Ville addressed
Removed the skl_primary_formats_with_nv12 and
added NV12 case in existing skl_primary_formats

v5: Rebased (me)

v6: Missed the Tested-by/Reviewed-by in the previous series
Adding the same to commit message in this version.

v7: Review comments by Ville addressed
	Restricting the NV12 for BXT and on PIPE A and B
Rebased (me)

v8: Rebased (me)
Modified restricting the NV12 support for both BXT and KBL.

v9: Rebased (me)

v10: Addressed review comments from Maarten.
	Adding NV12 inside skl_primary_formats itself.

v11: Adding Reviewed By tag from Shashank Sharma

v12: Addressed review comments from Juha-Pekka Heikkila
"NV12 not to be supported by SKL"

v13: Addressed review comments from Ville
Added skl_pri_planar_formats to include NV12
and skl_plane_has_planar function to check for
NV12 support on plane. Added NV12 format to
skl_mod_supported. These were review comments
from Kristian Høgsberg <hoegsberg@gmail.com>

v14: Added reviewed by from Juha-Pekka Heikkila

v15: Rebased the series

v16: Added all tiling support under mod supported
for NV12. Credits to Megha Aggarwal

v17: Added RB by Maarten and Kristian

v18: Review comments from Maarten addressed -
Removing BROXTON support for NV12 due to WA826

v19: Addressed review comments from Maarten
Make changes to skl_mod_supported

Credits-to: Megha Aggarwal megha.aggarwal@intel.com
Credits-to: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Kristian Høgsberg <hoegsberg@gmail.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-6-git-send-email-vidya.srinivas@intel.com
2018-05-11 10:19:48 +02:00
Chandra Konduru e44134f267 drm/i915: Add NV12 support to intel_framebuffer_init
This patch adds NV12 as supported format
to intel_framebuffer_init and performs various checks.

v2:
-Fix an issue in checks added (Chandra Konduru)

v3: rebased (me)

v4: Review comments by Ville addressed
Added platform check for NV12 in intel_framebuffer_init
Removed offset checks for NV12 case

v5: Addressed review comments by Clinton A Taylor
This NV12 support only correctly works on SKL.
Plane color space conversion is different on GLK and later platforms
causing the colors to display incorrectly.
Ville's plane color space property patch series
in review will fix this issue.
- Restricted the NV12 case in intel_framebuffer_init to
SKL and BXT only.

v6: Rebased (me)

v7: Addressed review comments by Ville
Restricting the NV12 to BXT for now.

v8: Rebased (me)
Restricting the NV12 changes to BXT and KBL for now.

v9: Rebased (me)

v10: NV12 supported by all GEN >= 9.
Making this change in intel_framebuffer_init. This is
part of addressing Maarten's review comments.
Comment under v8 no longer applicable

v11: Addressed review comments from Shashank Sharma

v12: Adding Reviewed By from Shashank Sharma

v13: Addressed review comments from Juha-Pekka Heikkila
"NV12 not to be supported by SKL"

v14: Addressed review comments from Maarten.
Add checks for fb width height for NV12 and fail the fb
creation if check fails. Added reviewed by from
Juha-Pekka Heikkila

v15: Rebased the series

v16: Setting the minimum value during fb creating to 16
as per Bspec for NV12. Earlier minimum was expected
to be > 16. Now changed it to >=16.

v17: Adding restriction to framebuffer_init - the fb
width and height should be a multiplier of 4

v18: Added RB from Maarten. Included Maarten's review comments
Dont allow CCS formats for fb creation of NV12

v19: Review comments from Maarten addressed -
Removing BROXTON support for NV12 due to WA826

Credits-to: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-5-git-send-email-vidya.srinivas@intel.com
2018-05-11 10:19:48 +02:00
Maarten Lankhorst 5d794288fc drm/i915: Add skl_check_nv12_surface for NV12
We skip src trunction/adjustments for
NV12 case and handle the sizes directly.
Without this, pipe fifo underruns are seen on APL/KBL.

v2: For NV12, making the src coordinates multiplier of 4

v3: Moving all the src coords handling code for NV12
to skl_check_nv12_surface

v4: Added RB from Mika

v5: Rebased the series. Removed checks of mult of 4 in
skl_update_scaler, Added NV12 condition in intel_check_sprite_plane
where src x/w is being checked for mult of 2 for yuv planes.

v6: Made changes to skl_check_nv12_surface as per WA#1106

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-4-git-send-email-vidya.srinivas@intel.com
2018-05-11 10:19:48 +02:00
Vidya Srinivas 6deef9b605 drm/i915: Enable Display WA 0528
Possible hang with NV12 plane surface formats.
WA: When the plane source pixel format is NV12,
the CHICKEN_PIPESL_* register bit 22 must be set to 1
and the render decompression must not be enabled
on any of the planes in that pipe.

v2: removed unnecessary POSTING_READ

v3: Added RB from Maarten

v4: Removed support for NV12 for BROXTON

Credits-to: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-3-git-send-email-vidya.srinivas@intel.com
2018-05-11 10:19:43 +02:00
Maarten Lankhorst 8e02115194 drm/i915: Enable display workaround 827 for all planes, v2.
The workaround was applied only to the primary plane, but is required
on all planes. Iterate over all planes in the crtc atomic check to see
if the workaround is enabled, and only perform the actual toggling in
the pre/post plane update functions.

Changes since v1:
- Track active NV12 planes in a nv12_planes bitmask. (Ville)

v2: Removing BROXTON support for NV12 due to WA826

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-2-git-send-email-vidya.srinivas@intel.com
2018-05-11 09:53:22 +02:00
Shashank Sharma 900aa8ad21 drm: Add and handle new aspect ratios in DRM layer
HDMI 2.0/CEA-861-F introduces two new aspect ratios:
- 64:27
- 256:135

This patch:
-  Adds new DRM flags for to represent these new aspect ratios.
-  Adds new cases to handle these aspect ratios while converting
from user->kernel mode or vise versa.

This patch was once reviewed and merged, and later reverted due
to lack of DRM client protection, while adding aspect ratio bits
in user modes. This is a re-spin of the series, with DRM client
cap protection.

The previous series can be found here:
https://pw-emeril.freedesktop.org/series/10850/

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org> (V2)
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com> (V2)

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

V3: rebase
V4: rebase
V5: corrected the macro name for an aspect ratio, in a switch case.
V6: rebase
V7: rebase
V8: rebase
V9: rebase
V10: rebase
V11: rebase
V12: rebase
V13: rebase
V14: rebase

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525777785-9740-11-git-send-email-ankit.k.nautiyal@intel.com
2018-05-11 09:23:55 +02:00
Shashank Sharma 222ec1618c drm: Add aspect ratio parsing in DRM layer
Current DRM layer functions don't parse aspect ratio information
while converting a user mode->kernel mode or vice versa. This
causes modeset to pick mode with wrong aspect ratio, eventually
causing failures in HDMI compliance test cases, due to wrong VIC.

This patch adds aspect ratio information in DRM's mode conversion
and mode comparision functions, to make sure kernel picks mode
with right aspect ratio (as per the VIC).

Background:
This patch was once reviewed and merged, and later reverted due to
lack of DRM cap protection. This is a re-spin of this patch, this
time with DRM cap protection, to avoid aspect ratio information, when
the client doesn't request for it.

Review link: https://pw-emeril.freedesktop.org/patch/104068/
Background discussion: https://patchwork.kernel.org/patch/9379057/

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Lin, Jia <lin.a.jia@intel.com>
Signed-off-by: Akashdeep Sharma <akashdeep.sharma@intel.com>
Reviewed-by: Jim Bride <jim.bride@linux.intel.com> (V2)
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com> (V4)

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jim Bride <jim.bride@linux.intel.com>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

V3: modified the aspect-ratio check in drm_mode_equal as per new flags
    provided by Ville. https://patchwork.freedesktop.org/patch/188043/
V4: rebase
V5: rebase
V6: As recommended by Ville, avoided matching of aspect-ratio in
    drm_fb_helper, while trying to find a common mode among connectors
    for the target clone mode.
V7: rebase
V8: rebase
V9: rebase
V10: rebase
V11: rebase
V12: rebase
V13: rebase
V14: rebase

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525777785-9740-10-git-send-email-ankit.k.nautiyal@intel.com
2018-05-11 09:23:41 +02:00
Ankit Nautiyal c3ff0cdb35 drm: Expose modes with aspect ratio, only if requested
We parse the EDID and add all the modes in the connector's modelist.
This adds CEA modes with aspect ratio information too, regardless of
whether user space requested this information or not.

This patch:
-prunes the modes with aspect-ratio information, from the
 drm_mode_get_connector modelist supplied to the user, if the
 user-space has not set the aspect ratio DRM client cap. However if
 such a mode is unique in the list, it is kept in the list, with
 aspect-ratio flags reset.
-prepares a list of exposed modes, which is used to find unique modes
 if aspect-ratio is not allowed.
-adds a new list_head 'exposed_head' in drm_mode_display, to traverse
 the list of exposed modes.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Jose Abreu <jose.abreu@synopsys.com>

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

V3: As suggested by Ville, modified the mechanism of pruning of modes
    with aspect-ratio, if the aspect-ratio is not supported. Instead
    of straight away pruning such a mode, the mode is retained with
    aspect ratio bits set to zero, provided it is unique.
V4: rebase
V5: Addressed review comments from Ville:
    -used a pointer to store last valid mode.
    -avoided, modifying of picture_aspect_ratio in kernel mode,
     instead only flags bits of user mode are reset (if aspect-ratio
     is not supported).
V6: As suggested by Ville, corrected the mode pruning logic and
    elaborated the mode pruning logic and the assumptions taken.
V7: rebase
V8: rebase
V9: rebase
V10: rebase
V11: Fixed the issue caused in kms_3d test, and enhanced the pruning
     logic to correctly identify and prune modes with aspect-ratio,
     if aspect-ratio cap is not set.
V12: As suggested by Ville, added another list_head in
     drm_mode_display to traverse the list of exposed modes and
     avoided duplication of modes.
V13: Minor modifications, as suggested by Ville.
v14: As suggested by Daniel Vetter and Ville Syrjala, corrected the
     pruning logic to avoid any dependency in the order of mode with
     aspect-ratio.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525777785-9740-9-git-send-email-ankit.k.nautiyal@intel.com
2018-05-11 09:06:39 +02:00