Commit Graph

574606 Commits

Author SHA1 Message Date
Christian König
b07c9d2a73 drm/amdgpu: move more logic into amdgpu_vm_map_gart v3
No need to duplicate that code over and over again. Also stop using the
flags to determine if we need to map the addresses.

v2: constify the pages_addr
v3: rebased, fix typo in commit message

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:04 -05:00
Christian König
599f434817 drm/amdgpu: remove nonsense IB size checks
Those are just leftovers from the time we wrote the VM
updates directly to the ring.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:04 -05:00
Christian König
fe6b2ad91f drm/amdgpu: use WARN_ON_ONCE instead of BUG_ON in the SA
Crashing the system doesn't helps at all. Also properly return
-EINVAL if size or alignment are outside valid ranges.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:03 -05:00
Monk Liu
777dbd458c drm/amdgpu: drop a dummy wakeup scheduler
since the dependency job is also scheduled by the same
scheduler with the job depended on it, no need to
call wake up scheduler when the dep is scheduled.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:02 -05:00
Alex Deucher
f2802faa05 drm/amd: add dce8 enum register header
This adds the DCE8 enum header.

Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:02 -05:00
Eric Huang
5d37a63d26 drm/amd/powerplay: add some hwmgr functions for sysfs interface on Tonga
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:01 -05:00
Eric Huang
d7341ef668 drm/amd/powerplay: add some hwmgr functions for sysfs interface on Carrizo
These add the interfaces for manual clock control.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:01 -05:00
Eric Huang
b9c1a77e8c drm/amd/powerplay: add hwmgr's functions for Fiji sysfs interfaces.
These add the interfaces for manual clock control.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:17:00 -05:00
Eric Huang
f3898ea12f drm/amd/powerplay: add some sysfs interfaces for powerplay.
The new sysfs interfaces:
pp_num_states: Read-only, return the number of all pp states, 0 if powerplay is not available.
pp_cur_state: Read-only, return the index number of current pp state.
pp_force_state: Read-write, to write a power state index will switch to selected state forcedly and
		enable forced state mode, disable forced state mode. such as "echo >...".
pp_table: Read-write, binary output, to be used to read or write the dpm table, the maximum
		file size is 4KB of page size.
pp_dpm_sclk: Read-write, reading will return a dpm levels list, to write an index number will force
		powerplay to set the corresponding dpm level.
pp_dpm_mclk: same as sclk.
pp_dpm_pcie: same as sclk.

And add new setting "manual" to the existing interface power_dpm_force_performance_level.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:59 -05:00
Christian König
c7e6be2303 drm/amdgpu: remove rptr checking
With the scheduler enabled we don't need that any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:59 -05:00
Christian König
a27de35caa drm/amdgpu: remove the ring lock v2
It's not needed any more because all access goes through the scheduler now.

v2: Update commit message.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:58 -05:00
Christian König
a9a78b329a drm/amdgpu: use a global LRU list for VMIDs
With the scheduler enabled managing per ring LRUs don't
make much sense any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:58 -05:00
Christian König
94dd0a4ae0 drm/amdgpu: merge vm_grab_id and vm_fence v2
No need for an extra function any more.

v2: comment cleanups

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:57 -05:00
Christian König
8d0a7cea82 drm/amdgpu: grab VMID before submitting job v5
This allows the scheduler to handle the dependencies on ID contention as well.

v2: grab id only once
v3: use a separate lock for the VMIDs
v4: cleanup after semaphore removal
v5: minor coding style change

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:56 -05:00
Christian König
165e4e07c2 drm/amdgpu: add VM pointer to id trace
Because of the scheduler all traces come from the same thread now and
can't be distincted otherwise.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:56 -05:00
Alex Deucher
1c343fc9db drm/amdgpu: drop hard_reset module parameter
It doesn't currently do anything and there's no need for it
going forward since pci config reset will be required as a
fallback even when we have fine grained reset implemented.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:55 -05:00
Alex Deucher
18db89b402 drm/amdgpu: add a debugfs property to trigger a GPU reset
Ported from similar code in radeon.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:55 -05:00
Alex Deucher
bfa99269ea drm/amdgpu: post card after hard reset
Posting is required after a pci config reset.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:54 -05:00
Alex Deucher
a2c5c69825 drm/amdgpu: clean up asic level reset for VI
Drop soft reset, always use pci config reset.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:54 -05:00
Alex Deucher
ceb5bc861e drm/amdgpu: clean up asic level reset for CI
Drop soft reset, always use pci config reset.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:53 -05:00
Christian König
5907a0d8af drm/amdgpu: cleanup sync_seq handling
Not used any more without semaphores

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:52 -05:00
Christian König
046c12c67b drm/amdgpu: remove sync_to from sync obj v2
Not needed any more without semaphores.

v2: remove unused variables as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:52 -05:00
Alex Deucher
ea5e4c8731 drm/amdgpu: remove some more semaphore leftovers
No longer needed since semaphores were removed.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:51 -05:00
Chunming Zhou
cadf97b196 drm/amdgpu: clean up non-scheduler code path (v2)
Non-scheduler code is longer supported.

v2: agd: rebased on upstream

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Ken Wang  <Qingqing.Wang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:50 -05:00
Chunming Zhou
be86c606b5 drm/amdgpu: cleanup amdgpu_sync_rings V2
No longer needed now that semaphores are gone.

V2: remove the first amdgpu_sync_wait in amdgpu_ib_schedule

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Ken Wang  <Qingqing.Wang@amd.com> (V1)
Reviewed-by: Monk Liu <monk.liu@amd.com> (V2)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:50 -05:00
Chunming Zhou
2f4b940033 drm/amdgpu: clean up hw semaphore support in driver
No longer used.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Ken Wang  <Qingqing.Wang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:49 -05:00
Christian König
a8480309df drm/amdgpu: try to find BO VAs only for the BOs in the list
The other ones don't have any VAs assigned anyway or are uninteresting to us.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:49 -05:00
Christian König
15486fd20c drm/amdgpu: search only the BO list for VM mappings
Make UVD/VCE VM emulation more efficient.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:48 -05:00
Christian König
1ea863fd73 drm/amdgpu: keep the prefered/allowed domains in the BO
Stop copying that to the bo list entry, it doesn't change anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:47 -05:00
Christian König
636ce25c30 drm/amdgpu: cleanup bo list bucket handling
Move that into the BO list. No functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:47 -05:00
Christian König
2a7d9bdabe drm/amdgpu: cleanup amdgpu_cs_parser_relocs
Rename it to amdgpu_cs_parser_bos and move validation and bo list init there.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:46 -05:00
Christian König
c3cca41e62 drm/amdgpu: cleanup amdgpu_cs_parser structure
Remove unused user_ptr field, group fields by usage.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:46 -05:00
Christian König
25cfc3c27e drm/amdgpu: group VM mapping tree with its lock (v2)
And also update the comment.

v2: agd: rebase on usptream.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:45 -05:00
Christian König
36409d122c drm/amdgpu: cleanup amdgpu_cs_list_validate
No need to actually check the current placement. Just use the allowed domains
when the threshold is reached.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:45 -05:00
Christian König
f69f90a113 drm/amdgpu: fix amdgpu_cs_get_threshold_for_moves handling
The threshold should only be computed once.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:44 -05:00
Dan Carpenter
9e51021cfd drm/amd/powerplay: indent a couple if statements
We recently redid the indenting, but missed these two if statements.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:43 -05:00
Christian König
d7006964d4 drm/amdgpu: fix issue with overlapping userptrs
Otherwise we could try to evict overlapping userptr BOs in get_user_pages(),
leading to a possible circular locking dependency.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10 14:16:43 -05:00
Carlos Palminha
71dfb744bd drm: fixes when i2c encoder slave mode_fixup is null.
Avoid i2c slave encoder drivers to copy/paste code to implement functions that will
only return true.

Signed-off-by: Carlos Palminha <palminha@synopsys.com>
[danvet: whitespace requested by Jani.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455106118-32145-1-git-send-email-palminha@synopsys.com
2016-02-10 15:14:49 +01:00
Liviu Dudau
c5a906a565 MAINTAINERS: Add Liviu Dudau as maintainer for ARM HDLCD driver.
Update MAINTAINERS file for HDLCD driver.

Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: David S. Miller <davem@davemloft.net>

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2016-02-10 13:44:17 +00:00
Liviu Dudau
8e22d79240 drm: Add support for ARM's HDLCD controller.
The HDLCD controller is a display controller that supports resolutions
up to 4096x4096 pixels. It is present on various development boards
produced by ARM Ltd and emulated by the latest Fast Models from the
company.

Cc: David Airlie <airlied@linux.ie>
Cc: Robin Murphy <robin.murphy@arm.com>

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
[Kconfig cleanup and !CONFIG_PM fixes]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-02-10 13:44:16 +00:00
Rasmus Villemoes
52dfa12e45 drm/gma500: fix error path in gma_intel_setup_gmbus()
The current code fails to call i2c_del_adapter on
dev_prev->gmbus[0].adapter, and if the for loop above failed already
at i==0, all hell breaks loose when we do the loop body for
i = -1,-2,...

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: http://patchwork.freedesktop.org/patch/msgid/1455048677-19882-2-git-send-email-linux@rasmusvillemoes.dk
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-02-10 08:25:42 +01:00
Ville Syrjälä
4c61716c2b drm: Add drm_format_plane_width() and drm_format_plane_height()
Add a few helpers to get the dimensions of the chroma plane(s).

v2: Add kernel-doc (Daniel)
v3: Fix kerneldoc "Returns:" style (Daniel)
    Uninline the functions and check for num_planes (Daniel)
v4: Add the required EXPORT_SYMBOL()s

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455031784-10941-1-git-send-email-ville.syrjala@linux.intel.com
2016-02-09 16:34:58 +01:00
Haixia Shi
e9f8250f2f drm/msm: remove the drm_device_is_unplugged check
This flag is only used for drm/udl.

Signed-off-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1454709464-2536-1-git-send-email-hshi@chromium.org
2016-02-09 16:34:45 +01:00
LABBE Corentin
67fe85dd6d drm: modes: add missing [drm] to message printing
The warning message in drm_mode_parse_command_line_for_connector miss
the [drm] at beginning.
This patch add it and take the opportunity to convert
printk(KERN_WARNING to pr_warn()

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1454594633-15100-1-git-send-email-clabbe.montjoie@gmail.com
2016-02-09 16:34:44 +01:00
Insu Yun
44084efc2f ch7006: correctly handling failed allocation
Since drm_property_create_range can be failed in memory pressure,
it needs to be checked and return -ENOMEM.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1454025276-13465-1-git-send-email-wuninsu@gmail.com
2016-02-09 16:34:44 +01:00
Lukas Wunner
14d2000182 drm/radeon: Defer probe if gmux is present but its driver isn't
gmux is a microcontroller built into dual GPU MacBook Pros.
On pre-retina MBPs, if we're the inactive GPU, we need apple-gmux
to temporarily switch DDC so that we can probe the panel's EDID.

The checks for CONFIG_VGA_ARB and CONFIG_VGA_SWITCHEROO are necessary
because if either of them is disabled but gmux is present, the driver
would never load, even if we're the active GPU. (vga_default_device()
would evaluate to NULL and vga_switcheroo_handler_flags() would
evaluate to 0.)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/552da6d85a82092146af7b0693595fa2a9ea376b.1452525860.git.lukas@wunner.de
2016-02-09 11:21:13 +01:00
Lukas Wunner
98b3a3402e drm/nouveau: Defer probe if gmux is present but its driver isn't
gmux is a microcontroller built into dual GPU MacBook Pros.
On pre-retina MBPs, if we're the inactive GPU, we need apple-gmux
to temporarily switch DDC so that we can probe the panel's EDID.

The checks for CONFIG_VGA_ARB and CONFIG_VGA_SWITCHEROO are necessary
because if either of them is disabled but gmux is present, the driver
would never load, even if we're the active GPU. (vga_default_device()
would evaluate to NULL and vga_switcheroo_handler_flags() would
evaluate to 0.)

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/d9542ca5041178165d3ff286c90cc99634f7d2ce.1452525860.git.lukas@wunner.de
2016-02-09 11:21:12 +01:00
Lukas Wunner
704ab614ec drm/i915: Defer probe if gmux is present but its driver isn't
gmux is a microcontroller built into dual GPU MacBook Pros.
On pre-retina MBPs, if we're the inactive GPU, we need apple-gmux
to temporarily switch DDC so that we can probe the panel's EDID.

The checks for CONFIG_VGA_ARB and CONFIG_VGA_SWITCHEROO are necessary
because if either of them is disabled but gmux is present, the driver
would never load, even if we're the active GPU. (vga_default_device()
would evaluate to NULL and vga_switcheroo_handler_flags() would
evaluate to 0.)

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/f56ee6a0600a3e1bb5bed4d0db4ed9ade7445c47.1452525860.git.lukas@wunner.de
2016-02-09 11:21:12 +01:00
Lukas Wunner
2413306c25 apple-gmux: Add helper for presence detect
Centralize gmux' ACPI HID in a header file and add apple_gmux_present().
This can be used by other drivers to activate quirks specific to dual
GPU MacBook Pros & Mac Pros. The alternative would be to hardcode DMI
or PCI IDs and amend them whenever Apple introduces a new machine.

Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/89c23769058a340e5e11d4a7102f3793d3b0c94c.1452525860.git.lukas@wunner.de
2016-02-09 11:21:11 +01:00
Lukas Wunner
47eb8f739e drm/radeon: Switch DDC when reading the EDID
The pre-retina MacBook Pro uses an LVDS panel and a gmux controller
to switch the panel between its two GPUs. The panel mode in VBIOS
is notoriously bogus on these machines.

Use drm_get_edid_switcheroo() in lieu of drm_get_edid() on LVDS
if the vga_switcheroo handler is capable of temporarily switching
the panel's DDC lines to the discrete GPU. This allows us to retrieve
the EDID if the panel is currently muxed to the integrated GPU.

This only enables EDID probing on the pre-retina MBP (2008 - 2013).
The retina MBP (2012 - present) uses eDP and gmux is not capable of
switching AUX separately from the main link on these models.
This will be addressed in later patches.

List of pre-retina MBPs with dual GPUs, one of them AMD:
    [MBP  8,2 2011  intel SNB + amd turks     pre-retina  15"]
    [MBP  8,3 2011  intel SNB + amd turks     pre-retina  17"]

v3: Commit newly added due to introduction of drm_get_edid_switcheroo()
    wrapper which drivers need to opt-in to.

v5: Rebase on "vga_switcheroo: Add handler flags infrastructure",
    i.e. call drm_get_edid_switcheroo() only if the handler
    indicates that DDC is switchable.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/dae71655e8c484fbef492d3389c157975f9622c9.1452525860.git.lukas@wunner.de
2016-02-09 11:21:11 +01:00