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    • Dave Airlie's avatar
      Merge tag 'drm-intel-next-2014-03-21' of git://anongit.freedesktop.org/drm-intel into drm-next · 66e514c1
      Dave Airlie authored 
      - Inherit/reuse firmwar framebuffers (for real this time) from Jesse, less
  flicker for fastbooting.
- More flexible cloning for hdmi (Ville).
- Some PPGTT fixes from Ben.
- Ring init fixes from Naresh Kumar.
- set_cache_level regression fixes for the vma conversion from Ville&Chris.
- Conversion to the new dp aux helpers (Jani).
- Unification of runtime pm with pc8 support from Paulo, prep work for runtime
  pm on other platforms than HSW.
- Larger cursor sizes (Sagar Kamble).
- Piles of improvements and fixes all over, as usual.

* tag 'drm-intel-next-2014-03-21' of git://anongit.freedesktop.org/drm-intel: (75 commits)
  drm/i915: Include a note about the dangers of I915_READ64/I915_WRITE64
  drm/i915/sdvo: fix questionable return value check
  drm/i915: Fix unsafe loop iteration over vma whilst unbinding them
  drm/i915: Enabling 128x128 and 256x256 ARGB Cursor Support
  drm/i915: Print how many objects are shared in per-process stats
  drm/i915: Per-process stats work better when evaluated per-process
  drm/i915: remove rps local variables
  drm/i915: Remove extraneous MMIO for RPS
  drm/i915: Rename and comment all the RPS *stuff*
  drm/i915: Store the HW min frequency as min_freq
  drm/i915: Fix coding style for RPS
  drm/i915: Reorganize the overclock code
  drm/i915: init pm.suspended earlier
  drm/i915: update the PC8 and runtime PM documentation
  drm/i915: rename __hsw_do_{en, dis}able_pc8
  drm/i915: kill struct i915_package_c8
  drm/i915: move pc8.irqs_disabled to pm.irqs_disabled
  drm/i915: remove dev_priv->pc8.enabled
  drm/i915: don't get/put PC8 when getting/putting power wells
  drm/i915: make intel_aux_display_runtime_get get runtime PM, not PC8
  ...

Conflicts:
	drivers/gpu/drm/i915/intel_display.c
	drivers/gpu/drm/i915/intel_dp.c
      66e514c1
    • Dave Airlie's avatar
      Merge branch 'primary-plane' of git://people.freedesktop.org/~robclark/linux into drm-next · 2844ea3f
      Dave Airlie authored 
      Here's the latest iteration of the universal planes work, which I believe is
finally ready for merging.  Aside from the minor driver patches to use the
new drm_for_each_legacy_plane() macro for plane loops, these should all have
an r-b from Rob Clark now.

Actual userspace-visibility is currently hidden behind a
drm.universal_planes module parameter so that we can do some experimental
testing of this before flipping it on universally.

* 'primary-plane' of git://people.freedesktop.org/~robclark/linux:
  drm/doc: Update plane documentation and add plane helper library
  drm: Allow userspace to ask for universal plane list (v2)
  drm: Remove unused drm_crtc->fb
  drm: Replace crtc fb with primary plane fb (v3)
  drm/msm: Switch to universal plane API's
  drm: Add drm_crtc_init_with_planes() (v2)
  drm: Add plane type property (v2)
  drm: Add drm_universal_plane_init()
  drm: Add primary plane helpers (v3)
  drm: Make drm_crtc_check_viewport non-static
  drm/shmobile: Restrict plane loops to only operate on legacy planes
  drm/i915: Restrict plane loops to only operate on overlay planes (v2)
  drm/exynos: Restrict plane loops to only operate on overlay planes (v2)
  drm: Add support for multiple plane types (v2)
      2844ea3f
    • Daniel Vetter's avatar
      drm/crtc-helper: don't disable disconnected outputs · e3d6ddb3
      Daniel Vetter authored 
      This is the equivalent change in the crtc helpers as done to the i915
modeset infrastructure in

commit b0a2658a
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Dec 18 09:37:54 2012 +0100

    drm/i915: don't disable disconnected outputs

This was originally introduced to make encoder sharing on radone
easier for userspace, but:

- It is policy and as such belongs into userspace. E.g. personally I'm
  fairly annoyed that a flaky cable results in permanent changes of
  the desktop layout, so I'll kick out DEs which do this. Worse if the
  kernel also tries to be clever.

- It's inconsistent: We only kill disconnected outputs on setCrtc
  (which userspace might also call when just changing the
  framebuffer), but not when e.g. we receive a hpd event or in the
  output poll worker.

- It's unexpected behaviour for the userspace driver, at least in the
  intel ddx we've had tons of bugs where the driver fell over and
  killed the X session becuase pageflips/vblanks suddenly stopped
  working. We've had to fix this by wrapping every single setCrtc int
  a big "recover kms state from the kernel again" operation.

- It's suprising for the kernel, too: It took a few mails between Rob,
  Matt and me for them to notice that little dragon wreaking havoc
  with the universal plane framebuffer refcounting.

- Userspace can cope with it and e.g. Gnome already kills disconnected
  outputs and reconfigures the desktop automatically. And since there
  have been no regression reports for the i915 change from over 1 year
  ago I think all other DEs are also ready.

Note that the lines removed in this patch go back to

commit a3a0544b
Author: Dave Airlie <airlied@redhat.com>
Date:   Mon Aug 31 15:16:30 2009 +1000

    drm/kms: add explicit encoder disable function and detach harder.

Unfortunately the patch itself doesn't explain a hole lot about why it
was added ...

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      e3d6ddb3
    • Daniel Vetter's avatar
      drm/crtc-helpers: fix dpms on logic · 177cf92d
      Daniel Vetter authored 
      This was introduced in

commit 25f397a4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Jul 19 18:57:11 2013 +0200

    drm/crtc-helper: explicit DPMS on after modeset

but due to a bit of rebase fail on my side the patch actually merged
put one hunk on the wrong side of a break statement. Fix this up.
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      177cf92d
    • Maarten Lankhorst's avatar
      drm/qxl: unset a pointer in sync_obj_unref · 41ccec35
      Maarten Lankhorst authored 
      This fixes a BUG_ON(bo->sync_obj != NULL); in ttm_bo_release_list.

Cc: stable@vger.kernel.org #v3.10+
Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      41ccec35
    • Lespiau, Damien's avatar
      drm: Specify a bit more the DRM_CAP_CURSOR_{WIDTH, HEIGHT} caps · bfe8b573
      Lespiau, Damien authored 
      Earlier this week, there was a bit of confusion about those new
capabilities, to the point I think it's better to document the intention
and API contract.

The comment documents the current situation:
 - the radeon driver returns the only valid size for the hw
 - i915 returns the maximun cursor size
 - other drivers fall back to returning 64x64

The common contract is to return a valid cursor size.

Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      bfe8b573
    • Dave Airlie's avatar
      drm/nouveau: don't suspend/resume display on runtime s/r · 05c63c2f
      Dave Airlie authored 
      This should ensure we don't hit a locking problem when someone
wakes us up via a connector, we should never go into suspend
while the display is on anyways.
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      05c63c2f
    • Matt Roper's avatar
      drm/doc: Update plane documentation and add plane helper library · 6efa1f2f
      Matt Roper authored 
      Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      6efa1f2f
    • Matt Roper's avatar
      drm: Allow userspace to ask for universal plane list (v2) · 681e7ec7
      Matt Roper authored 
      Userspace clients which wish to receive all DRM planes (primary and
cursor planes in addition to the traditional overlay planes) may set the
DRM_CLIENT_CAP_UNIVERSAL_PLANES capability.

v2: Hide behind drm.universal_planes module option [suggested by
    Daniel Vetter]
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      681e7ec7
    • Matt Roper's avatar
      drm: Remove unused drm_crtc->fb · 780f5984
      Matt Roper authored 
      Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      780f5984
    • Matt Roper's avatar
      drm: Replace crtc fb with primary plane fb (v3) · f4510a27
      Matt Roper authored 
      Now that CRTC's have a primary plane, there's no need to track the
framebuffer in the CRTC.  Replace all references to the CRTC fb with the
primary plane's fb.

This patch was generated by the Coccinelle semantic patching tool using
the following rules:

        @@ struct drm_crtc C; @@
        -   (C).fb
        +   C.primary->fb

        @@ struct drm_crtc *C; @@
        -   (C)->fb
        +   C->primary->fb

v3: Generate patch via coccinelle.  Actual removal of crtc->fb has been
    moved to a subsequent patch.

v2: Fixup several lingering crtc->fb instances that were missed in the
    first patch iteration.  [Rob Clark]
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      f4510a27
    • Matt Roper's avatar
      drm/msm: Switch to universal plane API's · 2d82d188
      Matt Roper authored 
      Use drm_universal_plane_init() and drm_crtc_init_with_planes() rather
than the legacy drm_plane_init() / drm_crtc_init().  This will ensure
that the proper primary plane is registered with the DRM (and eventually
exposed to userspace in future patches).

Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
      2d82d188
    • Matt Roper's avatar
      drm: Add drm_crtc_init_with_planes() (v2) · e13161af
      Matt Roper authored 
      Add a new drm_crtc_init_with_planes() to allow drivers to provide
specific primary and cursor planes at CRTC initialization.  The existing
drm_crtc_init() interface remains to avoid driver churn in existing
drivers; it will initialize the CRTC with a plane helper-created primary
plane and no cursor plane.

v2:
  - Move drm_crtc_init() to plane helper file so that nothing in the DRM
    core depends on helpers.  [suggested by Daniel Vetter]
  - Keep cursor parameter to drm_crtc_init_with_planes() a void* until
    we actually add cursor support.  [suggested by Daniel Vetter]
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      e13161af
    • Rob Clark's avatar
      drm: Add plane type property (v2) · 9922ab5a
      Rob Clark authored 
      Add a plane type property to allow userspace to distinguish plane types.

v2: Driver-specific churn eliminated now that drm_plane_init() and
    drm_universal_plane_init() were separated out in a previous patch.
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      9922ab5a
    • Matt Roper's avatar
      drm: Add drm_universal_plane_init() · dc415ff9
      Matt Roper authored 
      Add a new plane initialization interface for universal plane support
that allows a specific plane type (primary, cursor, or overlay) to
be specified.

drm_plane_init() remains as a compatibility API to reduce churn in
existing drivers.  The 'bool priv' parameter has been changed to
'bool is_primary' under the assumption that all existing uses of
private planes were representing primary planes.
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      dc415ff9
    • Matt Roper's avatar
      drm: Add primary plane helpers (v3) · c103d1cf
      Matt Roper authored 
      When we expose non-overlay planes to userspace, they will become
accessible via standard userspace plane API's.  We should be able to
handle the standard plane operations against primary planes in a generic
way via the modeset handler.

Drivers that can program primary planes more efficiently, that want to
use their own primary plane structure to track additional information,
or that don't have the limitations assumed by the helpers are free to
provide their own implementation of some or all of these handlers.

v3: Tweak kerneldoc formatting slightly to avoid ugliness
v2:
 - Move plane helpers to a new file (drm_plane_helper.c)
 - Tighten checks on update handler (check for scaling, CRTC coverage,
   subpixel positioning)
 - Pass proper panning parameters to modeset interface
 - Disallow disabling primary plane (and thus CRTC) if other planes are
   still active on the CRTC.
 - Use a minimal format list that should work on all hardware/drivers.
   Drivers may call this function with a more accurate plane list to
   enable additional formats they can support.
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      c103d1cf
    • Matt Roper's avatar
      drm: Make drm_crtc_check_viewport non-static · af93629d
      Matt Roper authored 
      This function will be used by the universal plane helpers and may also
be useful for individual drivers.
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
      af93629d
    • Matt Roper's avatar
      drm/shmobile: Restrict plane loops to only operate on legacy planes · 2b79dc13
      Matt Roper authored 
      Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
      2b79dc13
    • Matt Roper's avatar
      drm/i915: Restrict plane loops to only operate on overlay planes (v2) · af2b653b
      Matt Roper authored 
      Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.

v2: Switch to using drm_for_each_legacy_plane()

Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
      af2b653b
    • Matt Roper's avatar
      drm/exynos: Restrict plane loops to only operate on overlay planes (v2) · 0886327a
      Matt Roper authored 
      Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.

v2: Switch to using drm_for_each_legacy_plane()

Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
      0886327a
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