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On Vega20 and other pre-production GPUs, powerplay is not enabled yet.
Check for NULL pointers before calling pp_funcs function pointers.
Also affects Kaveri.
CC: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
[Why]
Many panels support more than 8bpc but some modes are unavailable while
running at greater than 8bpc due to DP/HDMI bandwidth constraints.
Support for more than 8bpc was added recently in the driver but it
defaults to the maximum supported bpc - locking out these modes.
This should be a user configurable option such that the user can select
what bpc configuration they would like.
[How]
This patch adds support for getting and setting the amdgpu driver
specific "max bpc" property on the connector.
It also adds support for limiting the output bpc based on the property
value. The default limitation is the lowest value in the range, 8bpc.
This was the old value before the range was uncapped.
This patch should be updated/replaced later once common drm support
for max bpc lands.
Bugzilla: https://bugs.freedesktop.org/108542
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=201585
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200645
Fixes: e03fd3f300f6 ("drm/amd/display: Do not limit color depth to 8bpc")
v2: rebase on upstream (Alex)
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Many panels support more than 8bpc but some modes are unavailable while
running at greater than 8bpc due to DP/HDMI bandwidth constraints.
Support for more than 8bpc was added recently in the driver but it
defaults to the maximum supported bpc - locking out these modes.
This should be a user configurable option such that the user can select
what bpc configuration they would like.
[How]
This patch introduces the "max bpc" amdgpu driver specific connector
property so the user can limit the maximum bpc. It ranges from 8 to 16.
This doesn't directly set the preferred bpc for the panel since it
follows Intel's existing driver conventions.
This proprety should be removed once common drm support for max bpc
lands.
v2: rebase on upstream (Alex)
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- omap: Instantiate dss children in omapdss instead of mach (Laurent)
Other:
- htmldocs build warning (Sean)
- MST NULL deref fix (Stanislav)
- omap: Various runtime ref gets on probe/bind (Laurent)
- omap: Fix to the above dss children patch (Tony)
Cc: Sean Paul <sean@poorly.run>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tony Lindgren <tony@atomide.com>
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Merge tag 'drm-misc-fixes-2018-11-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Cross-subsystem:
- omap: Instantiate dss children in omapdss instead of mach (Laurent)
Other:
- htmldocs build warning (Sean)
- MST NULL deref fix (Stanislav)
- omap: Various runtime ref gets on probe/bind (Laurent)
- omap: Fix to the above dss children patch (Tony)
Cc: Sean Paul <sean@poorly.run>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181114204542.GA52569@art_vandelay
We accidentially set the huge flag on the parent instead of the childs.
This caused some VM faults under memory pressure.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
the clk value should be tranferred to MHz first and
then transfer to uint16. otherwise, the clock value
will be truncated.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The bug limits the IH ring wptr address to 40bit. When the system memory
is bigger than 1TB, the bus address is more than 40bit, this causes the
interrupt cannot be handled and cleared correctly.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
In XGMI configuration, the FB region covers vram region from peer
device, adjust system aperture to cover all of them
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We're missing a call to of_platform_depopulate() on errors for dsi.
Looks like dss is already doing this.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181106152802.38599-1-tony@atomide.com
The internal encoders (DSI, HDMI4, HDMI5 and VENC) runtime PM handlers
attempt to manage the runtime PM state of the connected DISPC, based on
the rationale that the DISPC providing data to the encoders requires
ensuring that the display is active whenever the encoders are active.
While the DISPC provides data to the encoders, it doesn't as such
constitute a resource that encoders require in order to be taken out
of suspend, contrary to for instance a functional clock or a power
supply. Encoders registers can be accessed without the DISPC being
active, and while the encoders will not output any video stream without
being fed by the DISPC, the DISPC PM state doesn't influence the
encoders PM state.
For this reason the DISPC PM state is better managed from the omapdrm
driver, in the CRTC enable and disable operations. This allows the
encoders PM state to be handled separately from the DISPC, and in
particular at times when the DISPC may not be available (for instance at
probe due to the DSS probe being deferred, or at remove time du to the
DISPC being already removed).
Fixes: edb715dffdee ("drm/omap: dss: dsi: Move initialization code from bind to probe")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181110111654.4387-5-laurent.pinchart@ideasonboard.com
The probe function performs hardware access to read the number of
supported data lanes from a configuration register and thus requires the
device to be active. Ensure this by surrounding the access with
dsi_runtime_get() and dsi_runtime_put() calls.
Fixes: edb715dffdee ("drm/omap: dss: dsi: Move initialization code from bind to probe")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181110111654.4387-4-laurent.pinchart@ideasonboard.com
The bind function performs hardware access (in hdmi4_cec_init()) and
thus requires the device to be active. Ensure this by surrounding the
bind function by hdmi_runtime_get() and hdmi_runtime_put() calls.
Fixes: 27d624527d99 ("drm/omap: dss: Acquire next dssdev at probe time")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181110111654.4387-3-laurent.pinchart@ideasonboard.com
The DSS DT node contains children that describe the DSS components
(DISPC and internal encoders). Each of those components is handled by a
platform driver, and thus needs to be backed by a platform device.
The corresponding platform devices are created in mach-omap2 code by a
call to of_platform_populate(). While this approach has worked so far,
it doesn't model the hardware architecture very well, as it creates
child devices before the parent is ready to handle them. This would be
akin to creating I2C slaves before the I2C master is available.
The task can be easily performed in the omapdss driver code instead,
simplifying mach-omap2 code. We however can't remove the mach-omap2 code
completely as the omap2fb driver still depends on it, but we can move it
to the omap2fb-specific section, where it can stay until the omap2fb
driver gets removed.
This has the added benefit of not allowing DSS components to probe
before the DSS itself, which led to runtime PM issues when the DSS probe
is deferred.
Fixes: 27d624527d99 ("drm/omap: dss: Acquire next dssdev at probe time")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181110111654.4387-2-laurent.pinchart@ideasonboard.com
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Merge tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"drm: i915, amdgpu, sun4i, exynos and etnaviv fixes:
- amdgpu has some display fixes, KFD ioctl fixes and a Vega20 bios
interaction fix.
- sun4i has some NULL checks added
- i915 has a 32-bit system fix, LPE audio oops, and HDMI2.0 clock
fixes.
- Exynos has a 3 regression fixes (one frame counter, fbdev missing,
dsi->panel check)
- Etnaviv has a single fencing fix for GPU recovery"
* tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drm: (39 commits)
drm/amd/amdgpu/dm: Fix dm_dp_create_fake_mst_encoder()
drm/amd/display: Drop reusing drm connector for MST
drm/amd/display: Cleanup MST non-atomic code workaround
drm/amd/powerplay: always use fast UCLK switching when UCLK DPM enabled
drm/amd/powerplay: set a default fclk/gfxclk ratio
drm/amdgpu/display/dce11: only enable FBC when selected
drm/amdgpu/display/dm: handle FBC dc feature parameter
drm/amdgpu/display/dc: add FBC to dc_config
drm/amdgpu: add DC feature mask module parameter
drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2)
drm/amdgpu/vega20: add CLK base offset
drm/amd/display: Stop leaking planes
drm/amd/display: Fix misleading buffer information
Revert "drm/amd/display: set backlight level limit to 1"
drm/amd: Update atom_smu_info_v3_3 structure
drm/i915: Fix ilk+ watermarks when disabling pipes
drm/sun4i: tcon: prevent tcon->panel dereference if NULL
drm/sun4i: tcon: fix check of tcon->panel null pointer
drm/i915: Don't oops during modeset shutdown after lpe audio deinit
drm/i915: Mark pin flags as u64
...
Unfortunately drm_dp_get_mst_branch_device which is called from both
drm_dp_mst_handle_down_rep and drm_dp_mst_handle_up_rep seem to rely
on that mgr->mst_primary is not NULL, which seem to be wrong as it can be
cleared with simultaneous mode set, if probing fails or in other case.
mgr->lock mutex doesn't protect against that as it might just get
assigned to NULL right before, not simultaneously.
There are currently bugs 107738, 108616 bugs which crash in
drm_dp_get_mst_branch_device, caused by this issue.
v2: Refactored the code, as it was nicely noticed.
Fixed Bugzilla bug numbers(second was 108616, but not 108816)
and added links.
[changed title and added stable cc]
Signed-off-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108616
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107738
Link: https://patchwork.freedesktop.org/patch/msgid/20181109090012.24438-1-stanislav.lisovskiy@intel.com
[why]
Removing connector reusage from DM to match the rest of the tree ended
up revealing an issue that was surprisingly subtle. The original amdgpu
code for DC that was submitted appears to have left a chunk in
dm_dp_create_fake_mst_encoder() that tries to find a "master encoder",
the likes of which isn't actually used or stored anywhere. It does so at
the wrong time as well by trying to access parts of the drm_connector
from the encoder init before it's actually been initialized. This
results in a NULL pointer deref on MST hotplugs:
[ 160.696613] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 160.697234] PGD 0 P4D 0
[ 160.697814] Oops: 0010 [#1] SMP PTI
[ 160.698430] CPU: 2 PID: 64 Comm: kworker/2:1 Kdump: loaded Tainted: G O 4.19.0Lyude-Test+ #2
[ 160.699020] Hardware name: HP HP ZBook 15 G4/8275, BIOS P70 Ver. 01.22 05/17/2018
[ 160.699672] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[ 160.700322] RIP: 0010: (null)
[ 160.700920] Code: Bad RIP value.
[ 160.701541] RSP: 0018:ffffc9000029fc78 EFLAGS: 00010206
[ 160.702183] RAX: 0000000000000000 RBX: ffff8804440ed468 RCX: ffff8804440e9158
[ 160.702778] RDX: 0000000000000000 RSI: ffff8804556c5700 RDI: ffff8804440ed000
[ 160.703408] RBP: ffff880458e21800 R08: 0000000000000002 R09: 000000005fca0a25
[ 160.704002] R10: ffff88045a077a3d R11: ffff88045a077a3c R12: ffff8804440ed000
[ 160.704614] R13: ffff880458e21800 R14: ffff8804440e9000 R15: ffff8804440e9000
[ 160.705260] FS: 0000000000000000(0000) GS:ffff88045f280000(0000) knlGS:0000000000000000
[ 160.705854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 160.706478] CR2: ffffffffffffffd6 CR3: 000000000200a001 CR4: 00000000003606e0
[ 160.707124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 160.707724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 160.708372] Call Trace:
[ 160.708998] ? dm_dp_add_mst_connector+0xed/0x1d0 [amdgpu]
[ 160.709625] ? drm_dp_add_port+0x2fa/0x470 [drm_kms_helper]
[ 160.710284] ? wake_up_q+0x54/0x70
[ 160.710877] ? __mutex_unlock_slowpath.isra.18+0xb3/0x110
[ 160.711512] ? drm_dp_dpcd_access+0xe7/0x110 [drm_kms_helper]
[ 160.712161] ? drm_dp_send_link_address+0x155/0x1e0 [drm_kms_helper]
[ 160.712762] ? drm_dp_check_and_send_link_address+0xa3/0xd0 [drm_kms_helper]
[ 160.713408] ? drm_dp_mst_link_probe_work+0x4b/0x80 [drm_kms_helper]
[ 160.714013] ? process_one_work+0x1a1/0x3a0
[ 160.714667] ? worker_thread+0x30/0x380
[ 160.715326] ? wq_update_unbound_numa+0x10/0x10
[ 160.715939] ? kthread+0x112/0x130
[ 160.716591] ? kthread_create_worker_on_cpu+0x70/0x70
[ 160.717262] ? ret_from_fork+0x35/0x40
[ 160.717886] Modules linked in: amdgpu(O) vfat fat snd_hda_codec_generic joydev i915 chash gpu_sched ttm i2c_algo_bit drm_kms_helper snd_hda_codec_hdmi hp_wmi syscopyarea iTCO_wdt sysfillrect sparse_keymap sysimgblt fb_sys_fops snd_hda_intel usbhid wmi_bmof drm snd_hda_codec btusb snd_hda_core intel_rapl btrtl x86_pkg_temp_thermal btbcm btintel coretemp snd_pcm crc32_pclmul bluetooth psmouse snd_timer snd pcspkr i2c_i801 mei_me i2c_core soundcore mei tpm_tis wmi tpm_tis_core hp_accel ecdh_generic lis3lv02d tpm video rfkill acpi_pad input_polldev hp_wireless pcc_cpufreq crc32c_intel serio_raw tg3 xhci_pci xhci_hcd [last unloaded: amdgpu]
[ 160.720141] CR2: 0000000000000000
Somehow the connector reusage DM was using for MST connectors managed to
paper over this issue entirely; hence why this was never caught until
now.
[how]
Since this code isn't used anywhere and seems useless anyway, we can
just drop it entirely. This appears to fix the issue on my HP ZBook with
an AMD WX4150.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
It is not safe to keep existing connector while entire topology
has been removed. Could lead potential impact to uapi.
Entirely unregister all the connectors on the topology,
and use a new set of connectors when the topology is plugged back
on.
[How]
Remove the drm connector entirely each time when the
corresponding MST topology is gone.
When hotunplug a connector (e.g., DP2)
1. Remove connector from userspace.
2. Drop it's reference.
When hotplug back on:
1. Detect new topology, and create new connectors.
2. Notify userspace with sysfs hotplug event.
3. Reprobe new connectors, and reassign CRTC from old (e.g., DP2)
to new (e.g., DP3) connector.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
It is not correct to touch aconnector within atomic_check.
[How]
It was added as workaround before, and no longer needed.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
With UCLK DPM enabled, slow switching is not supported any more.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise big gap between these two clocks may causes
some hangs.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a description for dev and remove the excess one for native. Fixes
the following warnings:
../drivers/gpu/drm/drm_fourcc.c:112: warning: Function parameter or member 'dev' not described in 'drm_driver_legacy_fb_format'
../drivers/gpu/drm/drm_fourcc.c:112: warning: Excess function parameter 'native' description in 'drm_driver_legacy_fb_format'
Fixes: 059b5eb5d955 ("drm: move native byte order quirk to new drm_driver_legacy_fb_format function")
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20181107205546.216088-1-sean@poorly.run
gvt-fixes-2018-11-07
- Fix invalidate of old ggtt entry (Hang)
- Fix partial ggtt entry update in any order (Hang)
- Fix one mask setting for chicken reg (Xinyun)
- Fix eDP warning in guest (Longhe)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181107023137.GO25194@zhen-hp.sh.intel.com
- Revert frame counter support
. This patch fixes a issue which doesn't work extension and clone
mode because some CRTC devices don't provide frame counter value
properly.
- Fix lack of fbdev on Rinato and trats boards.
. This patch considers for connector to be registered by DSI after
DRM device is registered, and also it makes fbdev initializaion
to be done even if no connector at the moment.
- Check for dsi->panel object correctly
. This patch fixes checking for dsi->panel. of_drm_find_panel
function returns panel object or error value so error value
should be checked using IS_ERR macro.
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Merge tag 'exynos-drm-fixes-for-v4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Three regressions
- Revert frame counter support
. This patch fixes a issue which doesn't work extension and clone
mode because some CRTC devices don't provide frame counter value
properly.
- Fix lack of fbdev on Rinato and trats boards.
. This patch considers for connector to be registered by DSI after
DRM device is registered, and also it makes fbdev initializaion
to be done even if no connector at the moment.
- Check for dsi->panel object correctly
. This patch fixes checking for dsi->panel. of_drm_find_panel
function returns panel object or error value so error value
should be checked using IS_ERR macro.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1541407733-7632-1-git-send-email-inki.dae@samsung.com
Causes a black screen on a Stoney laptop.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=108577
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Set the dc_config properly when the option is enabled.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add FBC to the list of features that can be enabled from the DM.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Similar to ppfeaturemask. Allows you to selectively enable/disable
DC features.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The value is dependent on whether fbc is available.
v2: only check if num_pipes is valid
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
drm_plane_cleanup does not free the plane.
[How]
Call drm_primary_helper_destroy which will also free the plane.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
RETIMER_REDRIVER_INFO shows the buffer as a decimal value with a '0x'
prefix, which is somewhat misleading.
Fix it to print hexadecimal, as was intended.
Fixes: 2f14bc89("drm/amd/display: add retimer log for HWQ tuning use.")
Cc: Charlene Liu <charlene.liu@amd.com>
Cc: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 0cafc82fae41531b0162150f9a97f2c74f97118f.
This breaks some apps that assume 0 is minimum brightness.
Revert for 4.20. This is fixed properly for drm-next/4.21 in:
"drm/amd: Don't fail on backlight = 0"
However, that patch depends on more extensive changes to the
backlight interface which are too invasive for -fixes.
Fixes: Bugzilla: https://bugs.freedesktop.org/108668
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mainly adding the WAFL spread spectrum info, for adjusting display
clocks when XGMI is enabled.
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We're no longer programming any watermarks when we're disabling
a pipe. That means ilk_wm_merge() & co. will keep considering
the any pipe that is getting disabled as still enabled. Thus we
either get no LP1+ watermakrs (ilk-ivb), or we get suboptimal
ones (hsw-bdw).
This seems to have been broken by commit b6b178a77210 ("drm/i915:
Calculate ironlake intermediate watermarks correctly, v2."). Before
that we apparently had some difference between the intermediate
and optimal watermarks and so we would program the optiomal ones.
Now intermediate and optimal are identical for disabled pipes
and so we don't program either.
Fix this by programming the intermediate watermarks even for
disabled pipes. We were already doing that for skl+. We'll
leave out gmch platforms for now since those do the merging
in a different manner and should work as is. We'll want to
unify this eventually, but play it safe for now and just put
in a FIXME.
Cc: stable@vger.kernel.org
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: b6b178a77210 ("drm/i915: Calculate ironlake intermediate watermarks correctly, v2.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025130536.29024-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
(cherry picked from commit a748faea3bfd7fd1d1485bc1c426c7d460cc6503)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
If tcon->panel pointer is NULL, trying to dereference from it
(i.e. tcon->panel->connector) will cause a null pointer dereference.
Add tcon->panel null pointer check before calling
sun4i_tcon0_mode_set_dithering().
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Fixes: f11adcecbd5f ("drm/sun4i: tcon: Add dithering support for
RGB565/RGB666 LCD panels")
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005215951.99003-2-giulio.benetti@micronovasrl.com
Since tcon->panel is a pointer returned by of_drm_find_panel() need to
check if it is not NULL, hence a valid pointer.
IS_ERR() instead checks return error values, not NULL pointers.
Substitute "if (!IS_ERR(tcon->panel))" with "if (tcon->panel)".
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005215951.99003-1-giulio.benetti@micronovasrl.com
We deinit the lpe audio device before we call
drm_atomic_helper_shutdown(), which means the platform device
may already be gone when it comes time to shut down the crtc.
As we don't know when the last reference to the platform
device gets dropped by the audio driver we can't assume that
the device and its data are still around when turning off the
crtc. Mark the platform device as gone as soon as we do the
audio deinit.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181105194604.6994-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit f45a7977d1140c11f334e01a9f77177ed68e3bfa)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Since the flags are being used to operate on a u64 variable, they too
need to be marked as such so that the inverses are full width (and not
zero extended on 32b kernels and bdw+).
Reported-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181102161232.17742-2-chris@chris-wilson.co.uk
(cherry picked from commit 83b466b1dc5f0b4d33f0a901e8b00197a8f3582d)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This patch fixes the macros used for defining the DFLEXDPMLE
register bit fields. This accounts for changes in the spec.
Fixes: a2bc69a1a9d6 ("drm/i915/icl: Add register definition for DFLEXDPMLE")
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Jose Roberto de Souza <jose.souza@intel.com>
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181023191248.26418-1-manasi.d.navare@intel.com
(cherry picked from commit b4335ec0a3ee6229a570755f8fb95dc8a7c694f2)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Let's not leak obj->framebuffer_references when we decide that
the framebuffer domensions are not suitable for NV12.
Cc: stable@vger.kernel.org
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Fixes: e44134f2673c ("drm/i915: Add NV12 support to intel_framebuffer_init")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181029140031.11765-1-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit 3b90946fcb6f13b65888c380461793a9dea9d1f4)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
While checking the opportunity to add a display_gen
check to allow glk and cnl to be on same bucket I noticed
these FIXME cases here.
So I got the confirmation from HW architect that we actually
never needed this workaround.
"GLK supports 2 pixel per clock, so pixel clock can be up to 2 * cdclk."
So, this reverts commit 97f55ca5b662 ("drm/i915/glk: limit pixel
clock to 99% of cdclk workaround")
Fixes: 97f55ca5b662 ("drm/i915/glk: limit pixel clock to 99% of cdclk workaround")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Clinton Taylor <clinton.a.taylor@intel.com>
Cc: Arthur J Runyan <arthur.j.runyan@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181026005636.22274-1-rodrigo.vivi@intel.com
(cherry picked from commit 42882336e62aab00278114392a16374f272a0c99)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Beware mixing unsigned long constants and 64b values, as on 32b the
constant will be zero extended and discard the high 32b when used as
a mask!
Reported-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108282
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025091823.20571-2-chris@chris-wilson.co.uk
(cherry picked from commit 6fc4e48f9ed46e9adff236a0c350074aafa3b7fa)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Since we use a 64b virtual GTT irrespective of the system, we want to
ensure that the GTT computations remains 64b even on 32b systems,
including treatment of huge virtual pages.
No code generation changes on 64b:
Reported-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108282
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025091823.20571-1-chris@chris-wilson.co.uk
(cherry picked from commit 9125963a9494253fa5a29cc1b4169885d2be7042)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
