drm/nouveau/mmu/tu106: initial support

Appears to be compatible with TU104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ltc/tu106: initial support

Appears to be compatible with GP102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fb/tu106: initial support

Appears to be compatible with GV100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/imem/tu106: initial support

Appears to be compatible with NV50.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/tmr/tu106: initial support

Appears to be compatible with GK20A.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bus/tu106: initial support

Appears to be compatible with GF100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/mc/tu106: initial support

Appears to be compatible with TU104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fuse/tu106: initial support

Appears to be compatible with GM107.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/i2c/tu106: initial support

Appears to be compatible with GM200.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gpio/tu106: initial support

Appears to be compatible with GK104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ibus/tu106: initial support

Appears to be compatible with GM200.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/top/tu106: initial support

Appears to be compatible with GK104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/devinit/tu106: initial support

Appears to be compatible with TU104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios/tu106: initial support

No real surprised here so far.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pci/tu106: initial support

Appears to be compatible with GP100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: recognise TU106

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: increase maximum number of nvdec instances to 3

RTX2070 appears to have 3 copies of the engine.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/kms/tu104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ce/tu104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/tu104: initial support

Various different bits and pieces vs GV100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/disp/tu104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/dma/tu104: initial support

Appears to be compatible with GV100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/therm/tu104: initial support

Appears to be compatible with GP100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pmu/tu104: initial support

Appears to be compatible with GP102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fault/tu104: initial support

New registers.

Currently uncertain how exactly to mask fault buffer interrupts.  This will
likely be corrected at around the same time as the new MC interrupt stuff
has been properly figured out and implemented.

For the moment, it shouldn't matter too much.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bar/tu104: initial support

New registers.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/mmu/tu104: initial support

New flush method.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ltc/tu104: initial support

Appears to be compatible with GP102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fb/tu104: initial support

Appears to be compatible with GV100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/imem/tu104: initial support

Appears to be compatible with NV50.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/tmr/tu104: initial support

Appears to be compatible with GK20A.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bus/tu104: initial support

Appears to be compatible with GF100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/mc/tu104: initial support

Things are a bit different here on Turing, and will require further changes
yet once I've investigated them more thoroughly.

For now though, the existing GP100 code is compatible enough with one small
hack to forward on fault buffer interrupts.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fuse/tu104: initial support

Appears to be compatible with GM107.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/i2c/tu104: initial support

Appears to be compatible with GM200.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gpio/tu104: initial support

Appears to be compatible with GK104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ibus/tu104: initial support

Appears to be compatible with GM200.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/top/tu104: initial support

Appears to be compatible with GK104.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/devinit/tu104: initial support

The GPU executes DEVINIT itself now, which makes our lives a bit easier.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios/tu104: initial support

No real surprises here so far.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pci/tu104: initial support

Appears to be compatible with GP100.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: recognise TU104

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/kms/nv50-: allow more flexibility with lut formats

Will be required for Turing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: remove left-over struct member

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gv100: return work submission token in channel ctor args

The token will also contain runlist ID on Turing, so instead expose it as
an opaque value from NVKM so the client doesn't need to care.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gv100: allocate method buffer

The GPU saves off some stuff to the address specified in this part of RAMFC
when the channel faults, so we should probably point it at a valid address.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gm200-: read pbdma count more directly

The trick we used (and still use for older GPUs) doesn't work on Turing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104-: virtualise pbdma enable function

Turing will require different code.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104-: group pbdma functions together

We're about to be adding more of them.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104-: separate runlist building from committing to hw

We will need to bash different registers on Turing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104-: support enabling privileged ce functions

Will be used by SVM code to allow direct (without going through MMU) memcpy
using the GPU copy engines.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104-: return channel instance in ctor args

Will be used to match fault buffer entries with a channel.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gf100-: call into BAR to reset BARs after MMU fault

This is needed for Turing, but we're supposed to wait for completion after
re-writing the value on older GPUs anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/disp/gv100: fix name of window channels in debug output

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/mmu: add more general vmm free/node handling functions

Aside from being a nice cleanup, these will to allow the upcoming direct
page mapping interfaces to play nicely with normal mappings.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fault: add explicit control over fault buffer interrupts

The GPU will continually fire interrupts while a fault buffer GET != PUT,
and to stop the spurious interrupts while the handler does its thing, we
were disabling the fault buffer temporarily.

This is not actually a great idea to begin with, and made worse by Volta
resetting GET/PUT when it's reactivated.  So, let's not do that.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fault: store get/put pri address in nvkm_fault_buffer

Will allow more shared fault buffer handling code between Pascal/Volta.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fault: remove manual mapping of fault buffers into BAR2

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/imem/nv50: support pinning objects in BAR2 and returning address

Various structures are accessed by the GPU through BAR2 for some reason
on newer GPUs.  This commit makes it more convenient to handle.

Will be used for GP100- fault buffers, and GV100- fault method buffers.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/tmr: detect stalled gpu timer and break out of waits

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/devinit/gm200-: export function to upload+execute PMU/PRE_OS

Will be used for Turing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: translate USB-C connector type

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: translate additional memory types

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: support multiple nvdec instances

Turing GPUs can have more than one.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/drm/nouveau: Don't forget to label dp_aux devices

This makes debugging with DP tracing a lot harder to interpret, so name
each i2c based off the name of the encoder that it's for

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/drm/nouveau: Check rc from drm_dp_mst_topology_mgr_resume()

We need to actually make sure we check this on resume since otherwise we
won't know whether or not the topology is still there once we've
resumed, which will cause us to still think the topology is connected
even after it's been removed if the removal happens mid-suspend.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: Add size to vbios.rom file in debugfs

With this, nvbios /sys/kernel/debug/dri/*/vbios.rom now works!

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: Add strap_peek to debugfs

Since we already expose the vbios.rom file here, why not also expose the
strap_peek?

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

Merge tag 'drm-misc-next-2018-12-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

Final changes to drm-misc-next for v4.21:

UAPI Changes:

Core Changes:
- Add dma_fence_get_stub to dma-buf, and use it in drm/syncobj.
- Add and use DRM_MODESET_LOCK_BEGIN/END helpers.
- Small fixes to drm_atomic_helper_resume(), drm_mode_setcrtc() and
  drm_atomic_helper_commit_duplicated_state()
- Fix drm_atomic_state_helper.[c] extraction.

Driver Changes:
- Small fixes to tinydrm, vkms, meson, rcar-du, virtio, vkms,
  v3d, and pl111.
- vc4: Allow scaling and YUV formats on cursor planes.
- v3d: Enable use of the Texture Formatting Unit, and fix
  prime imports of buffers from other drivers.
- Add support for the AUO G101EVN010 panel.
- sun4i: Enable support for the H6 display engine.

Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: added drm/v3d: fix broken build to the merge commit]
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/321be9d3-ab75-5f92-8193-e5113662edef@linux.intel.com

Merge tag 'vmwgfx-next-2018-12-05' of git://people.freedesktop.org/~thomash/linux into drm-next

Pull request of 2018-12-05

Page flip with damage by Deepak and others,
Various vmwgfx minor fixes anc cleanups.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181205103554.3675-1-thellstrom@vmware.com

Merge tag 'exynos-drm-next-for-v4.21' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-next

- Refactoring of DMA and IOMMU code
  . This patch series simplifies DMA mapping creation by avoiding looping
    all components to get dma device object, reduces code size by merging
    IOMMU and DMA code.
- Enhance plane alpha and blend mode support
  . This patch series adds configurable plane and pixel blend mode support
    for Exynos5433 DECON device.
- Fix color format setting of Mixer driver
  . This patch series fixes color format and range setting by splitting
    range and format.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1544002853-11661-1-git-send-email-inki.dae@samsung.com

Merge branch 'drm-next-4.21' of git://people.freedesktop.org/~agd5f/linux into drm-next

amdgpu and amdkfd:
- Freesync support
- ABM support in DC
- KFD support for vega12 and polaris12
- Add sdma paging queue support for vega
- Use ACPI to query backlight range on supported platforms
- Clean up doorbell handling
- KFD fix for pasid handling under non-HWS
- Misc cleanups and fixes

scheduler:
- Revert "fix timeout handling v2"

radeon:
- Fix possible overflow on 32 bit

ttm:
- Fix for LRU handling for ghost objects

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130192505.2946-1-alexander.deucher@amd.com

Merge tag 'drm-intel-next-2018-12-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Final drm/i915 changes for v4.21:
- ICL DSI video mode enabling (Madhav, Vandita, Jani, Imre)
- eDP sink count fix (José)
- PSR fixes (José)
- DRM DP helper and i915 DSC enabling (Manasi, Gaurav, Anusha)
- DP FEC enabling (Anusha)
- SKL+ watermark/ddb programming improvements (Ville)
- Pixel format fixes (Ville)
- Selftest updates (Chris, Tvrtko)
- GT and engine workaround improvements (Tvrtko)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87va496uoe.fsf@intel.com

drm: revert "expand replace_fence to support timeline point v2"

This reverts commit 9a09a42369a4a37a959c051d8e1a1f948c1529a4.

The whole interface isn't thought through. Since this function can't
fail we actually can't allocate an object to store the sync point.

Sorry, I should have taken the lead on this from the very beginning and
reviewed it more thoughtfully. Going to propose a new interface as a
follow up change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Link: https://patchwork.freedesktop.org/patch/265580/

drm/vmwgfx: Use the standard atomic helpers for page-flip

Our wrappers don't do anything useful anymore except calling the
atomic helpers.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

drm/vmwgfx: Remove set but not used variable 'file_priv'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/vmwgfx/vmwgfx_fence.c: In function 'vmw_event_fence_action_seq_passed':
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:909:19: warning:
 variable 'file_priv' set but not used [-Wunused-but-set-variable]
  struct drm_file *file_priv;

It not used any more since
commit fb740cf2492c ("drm: Create drm_send_event helpers")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: remove redundant return ret statement

The return statement is redundant as there is a return statement
immediately before it so we have dead code that can be removed.
Also remove the unused declaration of ret.

Detected by CoverityScan, CID#1473793 ("Structurally dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Fix a layout race condition

This fixes a layout update race condition. We make sure
the crtc mutex is locked before we dereference crtc->state. Otherwise the
state might change under us.

Since now we're already holding the crtc mutexes when reading the gui
coordinates, protect them with the crtc mutexes rather than with the
requested_layout mutex.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

drm/vmwgfx: Fix up the implicit display unit handling

Make the connector is_implicit property immutable.
As far as we know, no user-space application is writing to it.

Also move the verification that all implicit display units scan out
from the same framebuffer to atomic_check().

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>

MAINTAINERS: Update vmwgfx maintainers

It's been fun! To be continued.....

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Don't clear mode::type anymore

With kernel commit "drm/modes: Kill off the oddball DRM_MODE_TYPE_CRTC_C
vs. DRM_MODE_TYPE_BUILTIN handling", no need to clear mode::type for
user-space bug.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Use atomic helper function for dirty fb IOCTL

USe new atomic helper for dirty fb IOCTL which make use of damage
interface. Note that this is only done for STDU and SOU, for legacy
display unit still using old interface.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Enable FB_DAMAGE_CLIPS property for SOU primary plane

SOU primary plane now support damage clips, enable it for user-space.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Update comments for sou plane update function

Update comments to sync with code.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Use the new interface for SOU plane update

With new interface to do plane update on SOU available, use that instead
of old kms_dirty.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Implement SOU plane update for BO backed fb

Using the new interface implement SOU plane update for BO backed fb.

v2: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Implement SOU plane update for surface backed fb

Using the new interface implement SOU plane update for surface backed
fb.

v2: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Enable FB_DAMAGE_CLIPS property for STDU primary plane

STDU primary plane now support damage clips, enable it for user-space.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Update comments for stdu plane update

Update the comments to sync with code.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Use the new interface for STDU plane update

With new interface to do plane update on STDU available, use that
instead of old kms_dirty.

v2: Use fence from new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Implement STDU plane update for BO backed fb

Using the new interface implement STDU plane update for BO backed fb.

v2: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Implement STDU plane update for surface backed fb

Using the new interface implement STDU plane update for surface backed
fb.

v2: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/vmwgfx: Add a new interface for plane update on a display unit

Add a new struct vmw_du_update_plane similar to vmw_kms_dirty which
represent the flow of operations needed to update a display unit from
surface or bo (blit a new framebuffer).

v2:
- Kernel doc correction.
- Rebase.

v3: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm: Add helper to implement legacy dirtyfb

Add an atomic helper to implement dirtyfb support.  This is needed to
support DSI command-mode panels with x11 userspace (ie. when we can't
rely on pageflips to trigger a flush to the panel).

v2: Modified the helper to use plane fb_damage_clips property and
removed plane_state::dirty flag.

v3:
- Use uapi drm_mode_rect.
- Support annotate flags.

v4: Correct kernel doc.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/selftest: Add drm damage helper selftest

Selftest for drm damage helper iterator functions.

v2: Rebase to new test-drm_modeset.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm: Add helper iterator functions for plane fb_damage_clips blob

With fb_damage_clips blob property in drm_plane_state, this patch adds
helper iterator to traverse the damage clips that lie inside plane src.
Iterator will return full plane src as damage in case need full plane
update or damage is not specified.

v2:
- Plane src clipping correction
- Handle no plane update case in iter_next

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm: Add a new helper to validate damage during atomic_check

This helper function makes sure that damage from plane state is
discarded for full modeset.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm: Add a new plane property to send damage during plane update

FB_DAMAGE_CLIPS is an optional plane property to mark damaged regions
on the plane in framebuffer coordinates of the framebuffer attached to
the plane.

The layout of blob data is simply an array of "struct drm_mode_rect".
Unlike plane src coordinates, damage clips are not in 16.16 fixed point.
As plane src in framebuffer cannot be negative so are damage clips. In
damage clip, x1/y1 are inclusive and x2/y2 are exclusive.

This patch also exports the kernel internal drm_rect to userspace as
drm_mode_rect. This is because "struct drm_clip_rect" is not sufficient
to represent damage for current plane size.

Driver which are interested in enabling FB_DAMAGE_CLIPS property for a
plane should enable this property using drm_plane_enable_damage_clips.

v2:
- Input validation on damage clips against framebuffer size.
- Doc update, other minor changes.

Signed-off-by: Lukasz Spintzyk <lukasz.spintzyk@displaylink.com>
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

drm/exynos: mixer: Fix color range setting

Color format and color range was set based on resolution. Change that,
by splitting range and format. Leave color format setting as it is,
set color range based on drm_display_mode using
drm_default_quant_range helper function.

Tested on Odroid-U3 with Exynos 4412 CPU, kernel next-20181128
using modetest.

Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drm/exynos: mixer: Fix color format setting

Fix color format decision based on height(pixels).

According to CEA-861-E:
"High Definition (HD) - A CE video format that, inclusively, has between
720 to 1080 active vertical lines (Vactive) lines per video frame."

Tested on Odroid-U3 with Exynos 4412 CPU, kernel next-20181128
using modetest.

Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>