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The HDCP feature requires at least one connector attached to the device;
however, some GPUs do not have a physical output, making the HDCP
initialization irrelevant. This patch disables HDCP initialization when
the graphic card does not have output.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Since preempt-to-busy, we may unsubmit a request while it is still on
the HW and completes asynchronously. That means it may be retired and in
the process destroy the virtual engine (as the user has closed their
context), but that engine may still be holding onto the unsubmitted
compelted request. Therefore we need to potentially cleanup the old
request on destroying the virtual engine. We also have to keep the
virtual_engine alive until after the sibling's execlists_dequeue() have
finished peeking into the virtual engines, for which we serialise with
RCU.
v2: Be paranoid and flush the tasklet as well.
v3: And flush the tasklet before the engines, as the tasklet may
re-attach an rb_node after our removal from the siblings.
Fixes: 6d06779e86 ("drm/i915: Load balancing across a virtual engine")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201123113717.20500-4-chris@chris-wilson.co.uk
(cherry picked from commit 46eecfccb4)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The UVD firmware is copied to cpu addr in uvd_resume, so it
should be used after that. This is to fix a bug introduced by
patch drm/amdgpu: fix SI UVD firmware validate resume fail.
Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
The SI UVD firmware validate key is stored at the end of firmware,
which is changed during resume while playing video. So get the key
at sw_init and store it for fw validate using.
Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Move the register slow register write and readback from out of the
critical path for execlists submission and delay it until the following
worker, shaving off around 200us. Note that the same signal_irq_work() is
allowed to run concurrently on each CPU (but it will only be queued once,
once running though it can be requeued and reexecuted) so we have to
remember to lock the global interactions as we cannot rely on the
signal_irq_work() itself providing the serialisation (in constrast to a
tasklet).
By pushing the arm/disarm into the central signaling worker we can close
the race for disarming the interrupt (and dropping its associated
GT wakeref) on parking the engine. If we loose the race, that GT wakeref
may be held indefinitely, preventing the machine from sleeping while
the GPU is ostensibly idle.
v2: Move the self-arming parking of the signal_irq_work to a flush of
the irq-work from intel_breadcrumbs_park().
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2271
Fixes: e23005604b ("drm/i915/gt: Hold context/request reference while breadcrumbs are active")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201123113717.20500-1-chris@chris-wilson.co.uk
(cherry picked from commit 9d5612ca16)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
After having written the entire OA buffer with reports, the HW will
write again at the beginning of the OA buffer. It'll indicate it by
setting the WRAP bits in the OASTATUS register.
When a wrap happens and that at the end of the read vfunc we write the
OASTATUS register back to clear the REPORT_LOST bit, we sometimes see
that the OATAILPTR register is reset to a previous position on Gen8/9
(apparently not the case on Gen11+). This leads the next call to the
read vfunc to process reports we've already read. Because we've marked
those as read by clearing the reason & timestamp dwords, they're
discarded and a "Skipping spurious, invalid OA report" message is
emitted.
The workaround to avoid this OATAILPTR value reset seems to be to set
the wrap bits when writing back OASTATUS.
This change has no impact on userspace, it only avoids a bunch of
DRM_NOTE("Skipping spurious, invalid OA report\n") messages.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 19f81df285 ("drm/i915/perf: Add OA unit support for Gen 8+")
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117130124.829979-1-lionel.g.landwerlin@intel.com
(cherry picked from commit 059a0beb48)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The current HVS muxing code will consider the CRTCs in a given state to
setup their muxing in the HVS, and disable the other CRTCs muxes.
However, it's valid to only update a single CRTC with a state, and in this
situation we would mux out a CRTC that was enabled but left untouched by
the new state.
Fix this by setting a flag on the CRTC state when the muxing has been
changed, and only change the muxing configuration when that flag is there.
Fixes: 87ebcd42fb ("drm/vc4: crtc: Assign output to channel automatically")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201120144245.398711-3-maxime@cerno.tech
If a CRTC is enabled but not active, and that we're then doing a page
flip on another CRTC, drm_atomic_get_crtc_state will bring the first
CRTC state into the global state, and will make us wait for its vblank
as well, even though that might never occur.
Instead of creating the list of the free channels each time atomic_check
is called, and calling drm_atomic_get_crtc_state to retrieve the
allocated channels, let's create a private state object in the main
atomic state, and use it to store the available channels.
Since vc4 has a semaphore (with a value of 1, so a lock) in its commit
implementation to serialize all the commits, even the nonblocking ones, we
are free from the use-after-free race if two subsequent commits are not ran
in their submission order.
Fixes: 87ebcd42fb ("drm/vc4: crtc: Assign output to channel automatically")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201120144245.398711-2-maxime@cerno.tech
The Exynos DRM uses Common Clock Framework thus it cannot be built on
platforms without it (e.g. compile test on MIPS with RALINK and
SOC_RT305X):
/usr/bin/mips-linux-gnu-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
exynos_mixer.c:(.text+0x958): undefined reference to `clk_set_parent'
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
In the patch to be fixed, horizontal_backporch_byte become too large
for some panel, so roll back that patch. For small hfp or hbp panel,
using vm->hfront_porch + vm->hback_porch to calculate
horizontal_backporch_byte would make it negtive, so
use horizontal_backporch_byte itself to make it positive.
Fixes: 35bf948f1e ("drm/mediatek: dsi: Fix scrolling of panel with small hfp or hbp")
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Tested-by: Bilal Wasim <bilal.wasim@imgtec.com>
- Fix tgl power gating issue (Rodrigo)
- Memory leak fixes (Tvrtko, Chris)
- Selftest fixes (Zhang)
- Display bpc fix (Ville)
- Fix TGL MOCS for PTE tracking (Chris)
GVT Fixes: It temporarily disables VFIO edid
feature on BXT/APL until its virtual display is really fixed to make
it work properly. And fixes for DPCD 1.2 and error return in taking
module reference.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201119203417.GA1795798@intel.com
Commit 7053e0eab4 ("drm/vram-helper: stop using TTM placement flags")
cleared the BO placement flags if top-down placement had been selected.
Hence, BOs that were supposed to go into VRAM are now placed in a default
location in system memory.
Trying to scanout the incorrectly pinned BO results in displayed garbage
and an error message.
[ 146.108127] ------------[ cut here ]------------
[ 146.1V08180] WARNING: CPU: 0 PID: 152 at drivers/gpu/drm/drm_gem_vram_helper.c:284 drm_gem_vram_offset+0x59/0x60 [drm_vram_helper]
...
[ 146.108591] ast_cursor_page_flip+0x3e/0x150 [ast]
[ 146.108622] ast_cursor_plane_helper_atomic_update+0x8a/0xc0 [ast]
[ 146.108654] drm_atomic_helper_commit_planes+0x197/0x4c0
[ 146.108699] drm_atomic_helper_commit_tail_rpm+0x59/0xa0
[ 146.108718] commit_tail+0x103/0x1c0
...
[ 146.109302] ---[ end trace d901a1ba1d949036 ]---
Fix the bug by keeping the placement flags. The top-down placement flag
is stored in a separate variable.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Fixes: 7053e0eab4 ("drm/vram-helper: stop using TTM placement flags")
Reported-by: Pu Wen <puwen@hygon.cn> [for 5.10-rc1]
Tested-by: Pu Wen <puwen@hygon.cn>
Cc: Christian König <christian.koenig@amd.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200921142536.4392-1-tzimmermann@suse.de
(cherry picked from commit b8f8dbf649)
[pulled into fixes from drm-next]
Signed-off-by: Dave Airlie <airlied@redhat.com>
The HDMI controller cannot go above a certain pixel rate limit depending on
the generations, but that limit is only enforced in mode_valid at the
moment, which means that we won't advertise modes that exceed that limit,
but the userspace is still free to try to setup a mode that would.
Implement atomic_check to make sure we check it in that scenario too.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029122522.1917579-1-maxime@cerno.tech
Fix for drm/sun4i shared with arm-soc
This patch is a preliminary fix that will conflict with subsequent work merged
through arm-soc.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
# gpg: Signature made Wed 18 Nov 2020 09:51:53 AM CET
# gpg: using EDDSA key 5C1337A45ECA9AEB89060E9EE3EF0D6F671851C5
# gpg: Good signature from "Maxime Ripard <maxime.ripard@anandra.org>" [unknown]
# gpg: aka "Maxime Ripard <mripard@kernel.org>" [unknown]
# gpg: aka "Maxime Ripard (Work Address) <maxime.ripard@bootlin.com>" [unknown]
# gpg: aka "Maxime Ripard (Work Address) <maxime@bootlin.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: BE56 75C3 7E81 8C8B 5764 241C 254B CFC5 6BF6 CE8D
# Subkey fingerprint: 5C13 37A4 5ECA 9AEB 8906 0E9E E3EF 0D6F 6718 51C5
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118090455.sznrgpduuytlc22k@gilmour.lan
EDID can declare the maximum supported bpc up to 16,
and apparently there are displays that do so. Currently
we assume 12 bpc is tha max. Fix the assumption and
toss in a MISSING_CASE() for any other value we don't
expect to see.
This fixes modesets with a display with EDID max bpc > 12.
Previously any modeset would just silently fail on platforms
that didn't otherwise limit this via the max_bpc property.
In particular we don't add the max_bpc property to HDMI
ports on gmch platforms, and thus we would see the raw
max_bpc coming from the EDID.
I suppose we could already adjust this to also allow 16bpc,
but seeing as no current platform supports that there is
little point.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2632
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110210447.27454-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit 2ca5a7b85b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
We recently improved our display atomic commit and tail sequence to
avoid some issues related to concurrency. One of the major changes
consisted of moving the interrupt disable and the stream release from
our atomic commit to our atomic tail (commit 6d90a208cf
("drm/amd/display: Move disable interrupt into commit tail")) .
However, the new code introduced inside our commit tail function was
inserted right after the function
drm_atomic_helper_update_legacy_modeset_state(), which has routines for
updating internal data structs related to timestamps. As a result, in
certain conditions, the display module can reach a situation where we
update our constants and, after that, clean it. This situation generates
the following warning:
amdgpu 0000:03:00.0: drm_WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev))
WARNING: CPU: 6 PID: 1269 at drivers/gpu/drm/drm_vblank.c:722
drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x32b/0x340 [drm]
...
RIP:
0010:drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x32b/0x340
[drm]
...
Call Trace:
? dc_stream_get_vblank_counter+0x57/0x60 [amdgpu]
drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x20 [drm]
drm_get_last_vbltimestamp+0xad/0xc0 [drm]
drm_reset_vblank_timestamp+0x63/0xd0 [drm]
drm_crtc_vblank_on+0x85/0x150 [drm]
amdgpu_dm_atomic_commit_tail+0xaf1/0x2330 [amdgpu]
commit_tail+0x99/0x130 [drm_kms_helper]
drm_atomic_helper_commit+0x123/0x150 [drm_kms_helper]
amdgpu_dm_atomic_commit+0x11/0x20 [amdgpu]
drm_atomic_commit+0x4a/0x50 [drm]
drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
drm_mode_setcrtc+0x20b/0x7e0 [drm]
? tomoyo_path_number_perm+0x6f/0x200
? drm_mode_getcrtc+0x190/0x190 [drm]
drm_ioctl_kernel+0xae/0xf0 [drm]
drm_ioctl+0x245/0x400 [drm]
? drm_mode_getcrtc+0x190/0x190 [drm]
amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
__x64_sys_ioctl+0x91/0xc0
do_syscall_64+0x38/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xa9
...
For fixing this issue we rely upon a refactor introduced on
drm_atomic_helper_update_legacy_modeset_state ("Remove the timestamping
constant update from drm_atomic_helper_update_legacy_modeset_state()")
which decouples constant values update from
drm_atomic_helper_update_legacy_modeset_state to a new helper.
Basically, this commit uses this new helper and place it right after our
release module to avoid a situation where our CRTC struct gets wrong
values.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1373
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1349
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Commit e0d072782c ("dma-mapping: introduce DMA range map, supplanting
dma_pfn_offset") introduced a regression in our code since the second
backed to probe will now get -EINVAL back from dma_direct_set_offset and
will prevent the entire DRM device from probing.
Ignore -EINVAL as a temporary measure to get it back working, before
removing that call entirely.
Fixes: e0d072782c ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
