Commit Graph

279 Commits

Author SHA1 Message Date
Christian König
724daa4fd6 drm/ttm: drop persistent_swap_storage from ttm_bo_init and co
Never used as parameter, the only driver actually using this is nouveau
and there it is initialized after the BO is initialized.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-26 23:09:45 -05:00
Christian König
231cdafc75 drm/ttm: drop ttm->dummy_read_page
Only used by the AGP backend and there it can be easily accessed using
ttm->bdev->glob.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-26 23:09:45 -05:00
Christian König
3839263362 drm/ttm: drop bo->glob
The pointer is available as bo->bdev->glob as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-26 23:09:44 -05:00
Christian König
2a7b464f84 drm/qxl: remove ttm_pool_* wrappers
TTM calls the default implementation now.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-26 23:09:43 -05:00
Roger He
d0cef9fa44 drm/ttm: use an operation ctx for ttm_tt_populate in ttm_bo_driver (v2)
forward the operation context to ttm_tt_populate as well,
and the ultimate goal is swapout enablement for reserved BOs.

v2: squash in fix for vboxvideo

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-28 09:48:19 -05:00
Tan Xiaojun
30567ba5f5 drm/qxl: remove the default io_mem_pfn set
The default interface situation has been taken into the framework, so
remove the default set of each module.

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-27 11:35:17 -05:00
Dave Airlie
df2869abd9 Merge branch 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-next
* 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux: (171 commits)
  drm/amdgpu: fix test for shadow page tables
  drm/amd/display: Expose dpp1_set_cursor_attributes
  drm/amd/display: Update FMT and OPPBUF functions
  drm/amd/display: check for null before calling is_blanked
  drm/amd/display: dal 3.1.27
  drm/amd/display: Fix unused variable warnings.
  drm/amd/display: Only blank DCN when we have set_blank implementation
  drm/amd/display: Put dcn_mi_registers with other structs
  drm/amd/display: hubp refactor
  drm/amd/display: integrating optc pseudocode
  drm/amd/display: Call validate_fbc should_enable_fbc
  drm/amd/display: Clean up DCN cursor code
  drm/amd/display: fix 180 full screen pipe split
  drm/amd/display: reprogram surface config on scaling change
  drm/amd/display: Remove dwbc from pipe_ctx
  drm/amd/display: Use the maximum link setting which EDP reported.
  drm/amd/display: Add hdr_supported flag
  drm/amd/display: fix global sync param retrieval when not pipe splitting
  drm/amd/display: Update HUBP
  drm/amd/display: fix rotated surface scaling
  ...
2017-12-21 11:17:45 +10:00
Roger He
3e98d829ad drm/ttm: use an ttm operation ctx for ttm_bo_move_xxx
include ttm_bo_move_memcpy and ttm_bo_move_ttm

Signed-off-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-15 17:14:25 -05:00
Ray Strode
9428088c90 drm/qxl: reapply cursor after resetting primary
QXL associates mouse state with its primary plane.

Destroying a primary plane and putting a new one in place has the side
effect of destroying the cursor as well.

This commit changes the driver to reapply the cursor any time a new
primary is created. It achieves this by keeping a reference to the
cursor bo on the qxl_crtc struct.

This fix is very similar to

commit 4532b241a4 ("drm/qxl: reapply cursor after SetCrtc calls")

which got implicitly reverted as part of implementing the atomic
modeset feature.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1512097
Fixes: 1277eed5fe ("drm: qxl: Atomic phase 1: convert cursor to universal plane")
Cc: stable@vger.kernel.org
Signed-off-by: Ray Strode <rstrode@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-12-08 13:37:02 +10:00
Ray Strode
16c6db3688 drm/qxl: unref cursor bo when finished with it
qxl_cursor_atomic_update allocs a bo for the cursor that
it never frees up at the end of the function.

This commit fixes that.

Signed-off-by: Ray Strode <rstrode@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-12-08 13:36:54 +10:00
Christian König
2823f4f019 drm/ttm: add context to driver move callback as well
Instead of passing the parameters manually.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-06 12:48:03 -05:00
Christian König
19be557010 drm/ttm: add operation ctx to ttm_bo_validate v2
Give moving a BO into place an operation context to work with.

v2: rebased

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-06 12:48:01 -05:00
Christian König
36a0680aac drm/ttm: consistently use reservation_object_unlock
Instead of having a confusing wrapper or call the underlying ww_mutex
function directly.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-06 12:47:19 -05:00
Daniel Vetter
70c5f93669 Merge airlied/drm-next into drm-misc-next
Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.

Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in

commit a01cb8ba3f
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Wed Nov 1 22:16:19 2017 +0200

    drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-11-21 14:17:56 +01:00
Colin Ian King
4013e44ffa drm: qxl: remove pr_info message, stops log spamming
Simply mmap'ing /dev/dri/card0 repeatedly will spam the kernel
log with qxl_mmap information messages. The following example code
illustrates this:

int main(void)
{
	int fd = open("/dev/dri/card0", O_RDONLY);
	if (fd == -1)
		err(1, "open failed");

	for (;;) {
		void *m = mmap(NULL, 4096, PROT_READ,
			MAP_SHARED, fd, 0);
		if (m != MAP_FAILED)
			munmap(m, 4096);
	}
}

Stop the spamming by removing the pr_info message. Since the mmap'ing
returns -EINVAL there is no need for the pr_info message.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170912173422.14062-1-colin.king@canonical.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-11-10 12:45:35 +01:00
Gerd Hoffmann
62676d10b4 qxl: alloc & use shadow for dumb buffers
This patch changes the way the primary surface is used for dumb
framebuffers.  Instead of configuring the bo itself as primary surface
a shadow bo is created and used instead.  Framebuffers can share the
shadow bo in case they have the same format and resolution.

On atomic plane updates we don't have to update the primary surface in
case we pageflip from one framebuffer to another framebuffer which
shares the same shadow.  This in turn avoids the flicker caused by the
primary-destroy + primary-create cycle, which is very annonying when
running wayland on qxl.

The qxl driver never actually writes to the shadow bo.  It sends qxl
blit commands which update it though, and the spice server might
actually execute them (and thereby write to the shadow) in case the
local rendering is kicked for some reason.  This happens for example in
case qemu is asked to write out a dump of the guest display (screendump
monitor command).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20171019062150.28090-3-kraxel@redhat.com
2017-10-23 08:23:11 +02:00
Gerd Hoffmann
56cbcb6c41 drm/qxl: replace QXL_INFO with DRM_DEBUG_DRIVER
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20171019062150.28090-2-kraxel@redhat.com
2017-10-23 08:22:56 +02:00
Gerd Hoffmann
5f3d862a73 qxl: fix framebuffer unpinning
qxl_plane_cleanup_fb() unpins the just activated framebuffer
instead of the old one.  Oops.  Fix it.

Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Fixes: 1277eed5fe
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170918074145.2257-1-kraxel@redhat.com
2017-09-25 08:35:53 +02:00
Sean Paul
1ebfc603d0 Merge remote-tracking branch 'origin/master' into drm-misc-fixes
Pick up 4.14-rc1

Signed-off-by: Sean Paul <seanpaul@chromium.org>
2017-09-21 14:18:46 -07:00
Gerd Hoffmann
b0e07da3f5 qxl: fix primary surface handling
The atomic conversion of the qxl driver didn't got the primary surface
handling completely right.  It works in the common simple cases, but
fails for example when changing the display resolution using xrandr or
in multihead setups.

The rules are simple:  There is one primary surface.  Before defining a
new one you have to destroy the old one.

This patch makes qxl_primary_atomic_update() destroy the primary surface
before defining a new one.  It fixes is_primary flag updates.  It adds
is_primary checks so we don't try to update the primary surface in case
it already has the state we want it being in.

Fixes: 3538e80a86 ("drm: qxl: Atomic phase 1: Implement mode_set_nofb")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102338
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196777
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170911093950.22401-1-kraxel@redhat.com
2017-09-12 08:04:09 +02:00
Noralf Trønnes
3164e4e31a drm/qxl: Use the drm_driver.dumb_destroy default
drm_gem_dumb_destroy() is the drm_driver.dumb_destroy default,
so no need to set it.

Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1502034068-51384-10-git-send-email-noralf@tronnes.org
2017-08-16 20:15:38 +02:00
Ben Widawsky
e6fc3b6855 drm: Plumb modifiers through plane init
This is the plumbing for supporting fb modifiers on planes. Modifiers
have already been introduced to some extent, but this series will extend
this to allow querying modifiers per plane. Based on this, the client to
enable optimal modifications for framebuffers.

This patch simply allows the DRM drivers to initialize their list of
supported modifiers upon initializing the plane.

v2: A minor addition from Daniel

v3:
* Updated commit message
* s/INVALID/DRM_FORMAT_MOD_INVALID (Liviu)
* Remove some excess newlines (Liviu)
* Update comment for > 64 modifiers (Liviu)

v4: Minor comment adjustments (Liviu)

v5: Some new platforms added due to rebase

v6: Add some missed plane inits (or maybe they're new - who knows at
this point) (Daniel)

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Daniel Stone <daniels@collabora.com> (v2)
Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Daniel Stone <daniels@collabora.com>
2017-08-01 17:50:06 +01:00
Daniel Vetter
e1923ab3d0 drm/<drivers>: Drop fbdev info flags
- FBINFO_CAN_FORCE_OUTPUT has been a lie ever since we nerfed&removed
  the entire panic handling code in our fbdev emulation. We might
  restore kms panic output, but not through the bazillion of legacy
  code layers called fbdev/fbcon, there's just no way to make that
  work safely.

- With the module check change FBINFO_DEFAULT is always 0, so can be
  removed too.

That removes another change to cargo-cult stuff in kms drivers, yay!

Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170706125735.28299-5-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26 13:22:40 +02:00
Daniel Vetter
060f33b717 drm/qxl: Drop fbdev hwaccel flags
It's not accelarated, just system memory. Note we don't even need to
set the default flag since that's now always 0.

Note that originally qxl had acceleration support, but that was all
ripped out in

commit c0fe07aa50
Author: Gerd Hoffmann <kraxel@redhat.com>
Date:   Tue May 5 13:52:49 2015 +0200

    drm/qxl: rewrite framebuffer support

v2: Amend commit message a bit after irc chat with Dave.

Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170706125735.28299-4-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-07-26 13:22:39 +02:00
Arvind Yadav
9e2033a6bb drm: qxl: constify ttm_place structures.
ttm_place are not supposed to change at runtime. All functions
working with ttm_place provided by <drm/ttm/ttm_placement.h> work
with const ttm_place. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   3485	    184	    264	   3933	    f5d	drivers/gpu/drm/qxl/qxl_ttm.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   3501	    152	    264	   3917	    f4d	drivers/gpu/drm/qxl/qxl_ttm.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/a4f21d3bd2497129f084b8055ecf27f0d3ff1bba.1499013516.git.arvind.yadav.cs@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-07-03 10:31:14 +02:00
Laurent Pinchart
64581714b5 drm: Convert atomic drivers from CRTC .disable() to .atomic_disable()
The CRTC .disable() helper operation is deprecated for atomic drivers,
the new .atomic_disable() helper operation being preferred. Convert all
atomic drivers to .atomic_disable() to avoid cargo-cult use of
.disable() in new drivers.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # for sun4i
Acked-by: Philipp Zabel <p.zabel@pengutronix.de> # for mediatek
Acked-by: Alexey Brodkin <abrodkin@synopsys.com> # for arcpgu
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # for atmel-hlcdc
Tested-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Vincent Abriou <vincent.abriou@st.com> # for sti
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> # for vmwgfx
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-3-laurent.pinchart+renesas@ideasonboard.com
2017-06-30 14:53:15 +02:00
Laurent Pinchart
0b20a0f8c3 drm: Add old state pointer to CRTC .enable() helper function
The old state is useful for drivers that need to perform operations at
enable time that depend on the transition between the old and new
states.

While at it, rename the operation to .atomic_enable() to be consistent
with .atomic_disable(), as the .enable() operation is used by atomic
helpers only.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # for sun4i
Acked-by: Philipp Zabel <p.zabel@pengutronix.de> # for imx-drm and mediatek
Acked-by: Alexey Brodkin <abrodkin@synopsys.com> # for arcpgu
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # for atmel-hlcdc
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> # for hdlcd and mali-dp
Acked-by: Stefan Agner <stefan@agner.ch> # for fsl-dcu
Tested-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Vincent Abriou <vincent.abriou@st.com> # for sti
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> # for vmwgfx
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-2-laurent.pinchart+renesas@ideasonboard.com
2017-06-30 14:53:14 +02:00
Laurent Pinchart
641164f236 drm: qxl: Replace CRTC .commit() helper operation with .enable()
The CRTC helper .commit() operation is legacy code, the atomic helpers
prefer the .enable() operation. Replace the .commit() helper operation
with .enable() in the driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170627211621.27767-4-laurent.pinchart+renesas@ideasonboard.com
2017-06-28 12:51:13 +02:00
Laurent Pinchart
4889b35d7f drm: qxl: Remove unused CRTC .dpms() helper operation
The CRTC .dpms() helper operation is called by the atomic helpers only
when no .prepare(), .atomic_disable() or .disable() operation is
provided. As the qxl driver provides a .disable() operation, the .dpms()
operation is unused and can be removed.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170627211621.27767-3-laurent.pinchart+renesas@ideasonboard.com
2017-06-28 12:51:13 +02:00
Sean Paul
b740e76936 Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Required for Daniel's drm_vblank_cleanup cleanup
2017-06-27 09:18:17 -04:00
Gerd Hoffmann
747fddd4e8 drm/qxl: move extern variable declaration header file
Flagged by sparse.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620113916.6967-4-kraxel@redhat.com
2017-06-23 10:06:43 +02:00
Gerd Hoffmann
45dfe57771 drm/qxl: declare a bunch of functions as static
Flagged by sparse.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620113916.6967-3-kraxel@redhat.com
2017-06-23 10:06:38 +02:00
Gerd Hoffmann
6545135a5e drm/qxl: fix __user annotations
Drop them from u64 fields, tag local variables correctly instead.
While being at it switch the code to use u64_to_user_ptr().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620113916.6967-2-kraxel@redhat.com
2017-06-23 10:06:31 +02:00
Daniel Vetter
10631d724d drm/pci: Deprecate drm_pci_init/exit completely
The magic switching between proper pci driver and shadow-attach isn't
useful anymore since there's no ums+kms drivers left. Let's split this
up properly, calling pci_register_driver for kms drivers and renaming
the shadow-attach init to drm_legacy_pci_init/exit.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-6-daniel.vetter@ffwll.ch
2017-06-20 10:41:03 +02:00
Daniel Vetter
5c484cee7e drm: Remove drm_driver->set_busid hook
The only special-case is pci devices, and we can easily handle this in
the core. Do so and drop a pile of boilerplate from drivers.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-5-daniel.vetter@ffwll.ch
2017-06-20 10:40:49 +02:00
Dave Airlie
2a1720376a Linux 4.12-rc3
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Backmerge tag 'v4.12-rc3' into drm-next

Linux 4.12-rc3

Daniel has requested this for some drm-intel-next work.
2017-05-30 15:54:15 +10:00
Gabriel Krisman Bertazi
429030bc94 drm: qxl: Delay entering atomic context during cursor update
qxl_release_map will enter an atomic context, but since we still need to
alloc memory for BOs, we better delay that until we have everything we
need, in case we need to sleep inside the allocation.  This avoids the
Sleep in atomic state below, which was reported by Mike.

 [   43.910362] BUG: sleeping function called from invalid context at mm/slab.h:432
 [   43.910955] in_atomic(): 1, irqs_disabled(): 0, pid: 2077, name: Xorg
 [   43.911472] Preemption disabled at:
 [   43.911478] [<ffffffffa02b1c45>] qxl_bo_kmap_atomic_page+0xa5/0x100 [qxl]
 [   43.912103] CPU: 0 PID: 2077 Comm: Xorg Tainted: G            E   4.12.0-master #38
 [ 43.912550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
 rel-1.8.1-0-g4adadbd-20161202_174313-build11a 04/01/2014
 [   43.913202] Call Trace:
 [   43.913371]  dump_stack+0x65/0x89
 [   43.913581]  ? qxl_bo_kmap_atomic_page+0xa5/0x100 [qxl]
 [   43.913876]  ___might_sleep+0x11a/0x190
 [   43.914095]  __might_sleep+0x4a/0x80
 [   43.914319]  ? qxl_bo_create+0x50/0x190 [qxl]
 [   43.914565]  kmem_cache_alloc_trace+0x46/0x180
 [   43.914836]  qxl_bo_create+0x50/0x190 [qxl]
 [   43.915082]  ? refcount_dec_and_test+0x11/0x20
 [   43.915332]  ? ttm_mem_io_reserve+0x41/0xe0 [ttm]
 [   43.915595]  qxl_alloc_bo_reserved+0x37/0xb0 [qxl]
 [   43.915884]  qxl_cursor_atomic_update+0x8f/0x260 [qxl]
 [   43.916172]  ? drm_atomic_helper_update_legacy_modeset_state+0x1d6/0x210 [drm_kms_helper]
 [   43.916623]  drm_atomic_helper_commit_planes+0xec/0x230 [drm_kms_helper]
 [   43.916995]  drm_atomic_helper_commit_tail+0x2b/0x60 [drm_kms_helper]
 [   43.917398]  commit_tail+0x65/0x70 [drm_kms_helper]
 [   43.917693]  drm_atomic_helper_commit+0xa9/0x100 [drm_kms_helper]
 [   43.918039]  drm_atomic_commit+0x4b/0x50 [drm]
 [   43.918334]  drm_atomic_helper_update_plane+0xf1/0x110 [drm_kms_helper]
 [   43.918902]  __setplane_internal+0x19f/0x280 [drm]
 [   43.919240]  drm_mode_cursor_universal+0x101/0x1c0 [drm]
 [   43.919541]  drm_mode_cursor_common+0x15b/0x1d0 [drm]
 [   43.919858]  drm_mode_cursor2_ioctl+0xe/0x10 [drm]
 [   43.920157]  drm_ioctl+0x211/0x460 [drm]
 [   43.920383]  ? drm_mode_cursor_ioctl+0x50/0x50 [drm]
 [   43.920664]  ? handle_mm_fault+0x93/0x160
 [   43.920893]  do_vfs_ioctl+0x96/0x6e0
 [   43.921117]  ? __fget+0x73/0xa0
 [   43.921322]  SyS_ioctl+0x41/0x70
 [   43.921545]  entry_SYSCALL_64_fastpath+0x1a/0xa5
 [   43.922188] RIP: 0033:0x7f1145804bc7
 [   43.922526] RSP: 002b:00007ffcd3e50508 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
 [   43.923367] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f1145804bc7
 [   43.923852] RDX: 00007ffcd3e50540 RSI: 00000000c02464bb RDI: 000000000000000b
 [   43.924299] RBP: 0000000000000040 R08: 0000000000000040 R09: 000000000000000c
 [   43.924694] R10: 00007ffcd3e50340 R11: 0000000000003246 R12: 0000000000000018
 [   43.925128] R13: 00000000022bc390 R14: 0000000000000040 R15: 00007ffcd3e5062c

Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170519175819.15682-1-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-23 09:17:04 +02:00
Masahiro Yamada
edaf492c13 drm/qxl: fix include notation and remove -Iinclude/drm flag
Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-13-git-send-email-yamada.masahiro@socionext.com
2017-05-17 14:36:17 +02:00
Christian König
ea642c3216 drm/ttm: add io_mem_pfn callback
This allows the driver to handle io_mem mappings on their own.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-04-04 23:33:42 -04:00
Daniel Vetter
b70366e5d3 Pointer for Markus's image conversion work.
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Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next

Pointer for Markus's image conversion work.

We need this so we can merge all the pretty drm graphs for 4.12.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2017-03-14 15:07:33 +01:00
Dan Carpenter
ee5cb7c465 drm: qxl: add missing return check
My static checker complains that "release" is uninitialized if
qxl_alloc_release_reserved() fails, so let's add a check for that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170314075410.GB5984@mwanda
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-14 11:54:20 +01:00
Noralf Trønnes
34c9d52410 drm/qxl: Remove qxl_debugfs_remove_files()
drm_debugfs_cleanup() now removes all minor->debugfs_list entries
automatically, so it's not necessary to call drm_debugfs_remove_files().

Cc: airlied@linux.ie
Cc: kraxel@redhat.com
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170307204924.1002-4-noralf@tronnes.org

[ kraxel: solved conflict ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-09 09:01:00 +01:00
Gerd Hoffmann
2d856f94e6 qxl: fix qxl_conn_get_modes
Call qxl_add_monitors_config_modes() unconditionally.  Do all sanity
checks in that function.

Fix sanity checks.  monitors_config is the current monitor
configuration, whereas client_monitors_config is the configuration
requested by the spice client.  So when filling the mode list, based on
the spice client request, we need to look at
client_monitors_config->count not monitors_config->count.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1488363154-6889-5-git-send-email-kraxel@redhat.com
2017-03-07 07:09:17 +01:00
Gerd Hoffmann
c50fad8f62 qxl: read monitors config at boot
Try to read the client monitors config at driver load time, even without
explicit notification.  So in case that info was filled before the driver
loaded and we've missed the notifications because of that the settings
will still be used.

With that place we now have to take care to properly handle a empty client
monitors config, so we don't trip over an uninitialized client monitors
config.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1488363154-6889-4-git-send-email-kraxel@redhat.com
2017-03-07 07:09:16 +01:00
Gerd Hoffmann
9062155de0 qxl: limit monitor config read retries
When reading the monitor config fails, don't retry forever.  If it fails
ten times in a row just give up to avoid the driver hangs.  Also add a
small delay after each attempt, so the host has a chance to complete a
partial update.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1488363154-6889-3-git-send-email-kraxel@redhat.com
2017-03-07 07:09:14 +01:00
Gerd Hoffmann
ecefd94e8b qxl: drop mode_info.modes & related code.
very old qxl hardware revisions (predating qxl ksm support by a few
years) supported a fixed list of video modes only.  The list is still
provided by the virtual hardware, for backward compatibility reasons.

The qxl kms driver never ever looks at it, except for dumping it to
the kernel log at load time in case debug logging is enabled.  Drop
that pointless code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1488363154-6889-2-git-send-email-kraxel@redhat.com
2017-03-07 07:09:13 +01:00
Gabriel Krisman Bertazi
861078381b drm: qxl: Don't alloc fbdev if emulation is not supported
If fbdev emulation is disabled, the QXL shutdown path will try to clean
a framebuffer that wasn't initialized, hitting the Oops below.  The
problem is that even when FBDEV_EMULATION is disabled we allocate the
qfbdev strutucture, but we don't initialize it.  The fix is to stop
allocating the memory, since it won't be used.  This allows the existing
verification in the cleanup hook to do it's job preventing the oops.

Now that we don't allocate the unused fbdev structure, we need to be
careful when dereferencing it in the PM suspend hook.

[   24.284684] BUG: unable to handle kernel NULL pointer dereference at 00000000000002e0
[   24.285627] IP: mutex_lock+0x18/0x30
[   24.286049] PGD 78cdf067
[   24.286050] PUD 7940f067
[   24.286344] PMD 0
[   24.286649]
[   24.287072] Oops: 0002 [#1] SMP
[   24.287422] Modules linked in: qxl
[   24.287806] CPU: 0 PID: 2328 Comm: bash Not tainted 4.10.0-rc5+ #97
[   24.288515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   24.289681] task: ffff88007c4c0000 task.stack: ffffc90001b58000
[   24.290354] RIP: 0010:mutex_lock+0x18/0x30
[   24.290812] RSP: 0018:ffffc90001b5bcb0 EFLAGS: 00010246
[   24.291401] RAX: 0000000000000000 RBX: 00000000000002e0 RCX: 0000000000000000
[   24.292209] RDX: ffff88007c4c0000 RSI: 0000000000000001 RDI: 00000000000002e0
[   24.292987] RBP: ffffc90001b5bcb8 R08: fffffffffffffffe R09: 0000000000000001
[   24.293797] R10: ffff880078d80b80 R11: 0000000000011400 R12: 0000000000000000
[   24.294601] R13: 00000000000002e0 R14: ffffffffa0009c28 R15: 0000000000000060
[   24.295439] FS:  00007f30e3acbb40(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[   24.296364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.296997] CR2: 00000000000002e0 CR3: 0000000078c7b000 CR4: 00000000000006f0
[   24.297813] Call Trace:
[   24.298097]  drm_framebuffer_cleanup+0x1f/0x70
[   24.298612]  qxl_fbdev_fini+0x68/0x90 [qxl]
[   24.299074]  qxl_modeset_fini+0xd/0x30 [qxl]
[   24.299562]  qxl_pci_remove+0x22/0x50 [qxl]
[   24.300025]  pci_device_remove+0x34/0xb0
[   24.300507]  device_release_driver_internal+0x150/0x200
[   24.301082]  device_release_driver+0xd/0x10
[   24.301587]  unbind_store+0x108/0x150
[   24.301993]  drv_attr_store+0x20/0x30
[   24.302402]  sysfs_kf_write+0x32/0x40
[   24.302827]  kernfs_fop_write+0x108/0x190
[   24.303269]  __vfs_write+0x23/0x120
[   24.303678]  ? security_file_permission+0x36/0xb0
[   24.304193]  ? rw_verify_area+0x49/0xb0
[   24.304636]  vfs_write+0xb0/0x190
[   24.305004]  SyS_write+0x41/0xa0
[   24.305362]  entry_SYSCALL_64_fastpath+0x1a/0xa9
[   24.305887] RIP: 0033:0x7f30e31d9620
[   24.306285] RSP: 002b:00007ffc54b47e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   24.307128] RAX: ffffffffffffffda RBX: 00007f30e3497600 RCX: 00007f30e31d9620
[   24.307928] RDX: 000000000000000d RSI: 0000000000da2008 RDI: 0000000000000001
[   24.308727] RBP: 000000000070bc60 R08: 00007f30e3498760 R09: 00007f30e3acbb40
[   24.309504] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[   24.310295] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc54b47f34
[   24.311095] Code: 0e 01 e9 7b fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00
55 48 89 e5 53 48 89 fb e8 83 e8 ff ff 65 48 8b 14 25 40 c4 00 00 31 c0 <3e>
48 0f b1 13 48 85 c0 74 08 48 89 df e8 66 fd ff ff 5b 5d c3
[   24.313182] RIP: mutex_lock+0x18/0x30 RSP: ffffc90001b5bcb0
[   24.313811] CR2: 00000000000002e0
[   24.314208] ---[ end trace 29669c1593cae14b ]---

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227203330.18542-1-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-07 07:09:12 +01:00
Noralf Trønnes
cc14d46ba1 drm/qxl: Remove qxl_debugfs_takedown()
drm_debugfs_cleanup() now removes all minor->debugfs_list entries
automatically, so the drm_driver.debugfs_cleanup callback is not
needed.

Cc: airlied@linux.ie
Cc: kraxel@redhat.com
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126225621.12314-19-noralf@tronnes.org
2017-03-01 16:09:52 +01:00
Gabriel Krisman Bertazi
fb4fe33f93 drm: qxl: Enable atomic modesetting ioctl
Now that atomic support is implemented, enable the atomic flag.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227204328.18761-15-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-28 17:26:22 +01:00
Gabriel Krisman Bertazi
9973c879cf drm: qxl: Atomic phase 3: Wire up atomic page_flip helper
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227204328.18761-14-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-28 17:26:21 +01:00