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Pull more drm fixes from Dave Airlie:
"Although the tree built for me fine on arm here, it appears either
header cleanups in next or some kconfig combo it breaks, so this
contains a fix to mediatek to include dma-mapping.h explicitly.
There was also one nouveau fix that came in late that I was going to
leave until next week, but since I was sending this I thought it may
as well be in here:
mediatek:
- fix build in some cases
nouveau:
- fix hang with i2c and mst docks"
* tag 'drm-fixes-2019-08-24' of git://anongit.freedesktop.org/drm/drm:
drm/mediatek: include dma-mapping header
drm/nouveau: Don't retry infinitely when receiving no data on i2c over AUX
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Although it builds fine here in my arm cross compile, it seems
either via some other patches in -next or some Kconfig combination,
this fails to build for everyone.
Include linux/dma-mapping.h should fix it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Pull drm fixes from Dave Airlie:
"Live from the laundromat after my washing machine broke down, we have
the 5.3-rc6 fixes. Changelog is in the tag below, but nothing too
noteworthy in here:
rcar-du:
- LVDS dual-link mode fix
mediatek:
- of node refcount fix
- prime buffer import fix
- dma max seg fix
komeda:
- output polling fix
- abfc format fix
- memory-region DT fix
amdgpu:
- bpc display fix
- ioctl memory leak fix
- gfxoff fix
- smu warnings fix
i915:
- HDMI mode readout fix"
* tag 'drm-fixes-2019-08-23' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu/powerplay: silence a warning in smu_v11_0_setup_pptable
drm/amd/display: Calculate bpc based on max_requested_bpc
drm/amdgpu: prevent memory leaks in AMDGPU_CS ioctl
drm/amd/amdgpu: disable MMHUB PG for navi10
drm/amd/powerplay: remove duplicate macro smu_get_uclk_dpm_states in amdgpu_smu.h
drm/amd/powerplay: fix variable type errors in smu_v11_0_setup_pptable
drm/amdgpu/gfx9: update pg_flags after determining if gfx off is possible
drm/i915: Fix HW readout for crtc_clock in HDMI mode
drm/mediatek: mtk_drm_drv.c: Add of_node_put() before goto
drm: rcar_lvds: Fix dual link mode operations
drm/mediatek: set DMA max segment size
drm/mediatek: use correct device to import PRIME buffers
drm/omap: ensure we have a valid dma_mask
drm/komeda: Add support for 'memory-region' DT node property
drm/komeda: Adds internal bpp computing for arm afbc only format YU08 YU10
drm/komeda: Initialize and enable output polling on Komeda
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Fixes i2c on DP with some docks.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv713t2_BQ44gVV7Lqic6Vwmhq0r4FB5v-t0kD1jzFrbmQ@mail.gmail.com
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While I had thought I had fixed this issue in:
commit 342406e4fbba ("drm/nouveau/i2c: Disable i2c bus access after
->fini()")
It turns out that while I did fix the error messages I was seeing on my
P50 when trying to access i2c busses with the GPU in runtime suspend, I
accidentally had missed one important detail that was mentioned on the
bug report this commit was supposed to fix: that the CPU would only lock
up when trying to access i2c busses _on connected devices_ _while the
GPU is not in runtime suspend_. Whoops. That definitely explains why I
was not able to get my machine to hang with i2c bus interactions until
now, as plugging my P50 into it's dock with an HDMI monitor connected
allowed me to finally reproduce this locally.
Now that I have managed to reproduce this issue properly, it looks like
the problem is much simpler then it looks. It turns out that some
connected devices, such as MST laptop docks, will actually ACK i2c reads
even if no data was actually read:
[ 275.063043] nouveau 0000:01:00.0: i2c: aux 000a: 1: 0000004c 1
[ 275.063447] nouveau 0000:01:00.0: i2c: aux 000a: 00 01101000 10040000
[ 275.063759] nouveau 0000:01:00.0: i2c: aux 000a: rd 00000001
[ 275.064024] nouveau 0000:01:00.0: i2c: aux 000a: rd 00000000
[ 275.064285] nouveau 0000:01:00.0: i2c: aux 000a: rd 00000000
[ 275.064594] nouveau 0000:01:00.0: i2c: aux 000a: rd 00000000
Because we don't handle the situation of i2c ack without any data, we
end up entering an infinite loop in nvkm_i2c_aux_i2c_xfer() since the
value of cnt always remains at 0. This finally properly explains how
this could result in a CPU hang like the ones observed in the
aforementioned commit.
So, fix this by retrying transactions if no data is written or received,
and give up and fail the transaction if we continue to not write or
receive any data after 32 retries.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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I think gcc is confused as I don't see how size could be used
unitialized, but go ahead and silence the warning.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190822032527.1376-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fixes for v5.3-rc6:
- dma fix for omap.
- Make output polling work on komeda.
- Fix bpp computing for AFBC formats in komeda.
- Support the memory-region property in komeda.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5f1fdfe3-814e-fad1-663c-7279217fc085@linux.intel.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.3-rc6:
- fix hardware state readout for 10 bpc HDMI
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87sgptd114.fsf@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull more fallthrough fixes from Gustavo A. R. Silva:
"Fix fall-through warnings on arm and mips for multiple configurations"
* tag 'Wimplicit-fallthrough-5.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
video: fbdev: acornfb: Mark expected switch fall-through
scsi: libsas: sas_discover: Mark expected switch fall-through
MIPS: Octeon: Mark expected switch fall-through
power: supply: ab8500_charger: Mark expected switch fall-through
watchdog: wdt285: Mark expected switch fall-through
mtd: sa1100: Mark expected switch fall-through
drm/sun4i: tcon: Mark expected switch fall-through
drm/sun4i: sun6i_mipi_dsi: Mark expected switch fall-through
ARM: riscpc: Mark expected switch fall-through
dmaengine: fsldma: Mark expected switch fall-through
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
drm-fixes-5.3-2019-08-21:
amdgpu:
- Fix gfxoff logic on RV
- Powerplay fixes
- Fix a possible memory leak in CS ioctl
- bpc fix for display
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190822021022.3356-1-alexander.deucher@amd.com
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https://github.com/ckhu-mediatek/linux.git-tags into drm-fixes
Mediatek memory leak drm fix for Linux 5.3
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1566264270.30493.4.camel@mtksdaap41
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[Why]
The only place where state->max_bpc is updated on the connector is
at the start of atomic check during drm_atomic_connector_check. It
isn't updated when adding the connectors to the atomic state after
the fact. It also doesn't necessarily reflect the right value when
called in amdgpu during mode validation outside of atomic check.
This can cause the wrong bpc to be used even if the max_requested_bpc
is the correct value.
[How]
Don't rely on state->max_bpc reflecting the real bpc value and just
do the min(...) based on display info bpc and max_requested_bpc.
Fixes: 01933ba42d3d ("drm/amd/display: Use current connector state if NULL when checking bpc")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Error out if the AMDGPU_CS ioctl is called with multiple SYNCOBJ_OUT and/or
TIMELINE_SIGNAL chunks, since otherwise the last chunk wins while the
allocated array as well as the reference counts of sync objects are leaked.
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Disable MMHUB PG for navi10 according to the production requirement.
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amdgpu_smu.h
remove duplicate macro smu_get_uclk_dpm_states in amdgpu_smu.h
"
#define smu_get_uclk_dpm_states(smu, clocks_in_khz, num_states) \
((smu)->ppt_funcs->get_uclk_dpm_states ? (smu)->ppt_funcs->get_uclk_dpm_states((smu), (clocks_in_khz), (num_states)) : 0)
#define smu_get_max_sustainable_clocks_by_dc(smu, max_clocks) \
((smu)->funcs->get_max_sustainable_clocks_by_dc ? (smu)->funcs->get_max_sustainable_clocks_by_dc((smu), (max_clocks)) : 0)
#define smu_get_uclk_dpm_states(smu, clocks_in_khz, num_states) \
((smu)->ppt_funcs->get_uclk_dpm_states ? (smu)->ppt_funcs->get_uclk_dpm_states((smu), (clocks_in_khz), (num_states)) : 0)
"
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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fix size type errors, from uint32_t to uint16_t.
it will cause only initializes the highest 16 bits in
smu_get_atom_data_table function.
bug report:
This fixes the following static checker warning.
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:390 smu_v11_0_setup_pptable()
warn: passing casted pointer '&size' to 'smu_get_atom_data_table()' 32 vs 16.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We need to set certain power gating flags after we determine
if the firmware version is sufficient to support gfxoff.
Previously we set the pg flags in early init, but we later
we might have disabled gfxoff if the firmware versions didn't
support it. Move adding the additional pg flags after we
determine whether or not to support gfxoff.
Fixes: 005440066f92 ("drm/amdgpu: enable gfxoff again on raven series (v2)")
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable@vger.kernel.org
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The conversion during HDMI HW readout from port_clock to crtc_clock was
missed when HDMI 10bpc support was added, so fix that.
v2:
- Unscrew the non-HDMI case.
Fixes: cd9e11a8bf25 ("drm/i915/icl: Add 10-bit support for hdmi")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109593
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190808162547.7009-1-imre.deak@intel.com
(cherry picked from commit 2969a78aead38b49e80c821a5c683544ab16160d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Mark switch cases where we are expecting to fall through.
Fix the following warning (Building: sunxi_defconfig arm):
drivers/gpu/drm/sun4i/sun4i_tcon.c: In function ‘sun4i_tcon0_mode_set_dithering’:
drivers/gpu/drm/sun4i/sun4i_tcon.c:318:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
val |= SUN4I_TCON0_FRM_CTL_MODE_B;
drivers/gpu/drm/sun4i/sun4i_tcon.c:319:2: note: here
case MEDIA_BUS_FMT_RGB666_1X18:
^~~~
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Mark switch cases where we are expecting to fall through.
Fix the following warning (Building: multi_v7_defconfig arm):
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c: In function ‘sun6i_dsi_transfer’:
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:993:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (msg->rx_len == 1) {
^
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:998:2: note: here
default:
^~~~~~~
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Each iteration of for_each_child_of_node puts the previous
node, but in the case of a goto from the middle of the loop, there is
no put, thus causing a memory leak. Hence add an of_node_put before the
goto in two places.
Issue found with Coccinelle.
Fixes: 119f5173628a (drm/mediatek: Add DRM Driver for Mediatek SoC MT8173)
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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The R-Car LVDS encoder units support dual-link operations by splitting
the pixel output between the primary encoder and the companion encoder.
Currently the companion encoder fails at probe time, causing the
registration of the primary to fail as well, preventing the whole DU unit
from being registered at all.
Fix this by not bailing out from probe with error if the
"renesas,companion" property is not specified.
Fixes: fa440d870358 ("drm: rcar-du: lvds: Add support for dual-link mode")
Reported-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.4-rc5:
- GVT use-after-free fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87zhkag9ic.fsf@intel.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
drm-fixes-5.3-2019-08-14:
amdgpu:
- Use kvalloc for dc_state to avoid allocation
failures in some cases.
- Fix gfx9 soft recovery
scheduler:
- Fix a race condition when destroying entities
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190815024919.3434-1-alexander.deucher@amd.com
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I -thought- I had fixed this entirely, but it looks like that I didn't
test this thoroughly enough as we apparently still make one big mistake
with nv50_msto_atomic_check() - we don't handle the following scenario:
* CRTC #1 has n VCPI allocated to it, is attached to connector DP-4
which is attached to encoder #1. enabled=y active=n
* CRTC #1 is changed from DP-4 to DP-5, causing:
* DP-4 crtc=#1→NULL (VCPI n→0)
* DP-5 crtc=NULL→#1
* CRTC #1 steals encoder #1 back from DP-4 and gives it to DP-5
* CRTC #1 maintains the same mode as before, just with a different
connector
* mode_changed=n connectors_changed=y
(we _SHOULD_ do VCPI 0→n here, but don't)
Once the above scenario is repeated once, we'll attempt freeing VCPI
from the connector that we didn't allocate due to the connectors
changing, but the mode staying the same. Sigh.
Since nv50_msto_atomic_check() has broken a few times now, let's rethink
things a bit to be more careful: limit both VCPI/PBN allocations to
mode_changed || connectors_changed, since neither VCPI or PBN should
ever need to change outside of routing and mode changes.
Changes since v1:
* Fix accidental reversal of clock and bpp arguments in
drm_dp_calc_pbn_mode() - William Lewis
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reported-by: Bohdan Milar <bmilar@redhat.com>
Tested-by: Bohdan Milar <bmilar@redhat.com>
Fixes: 232c9eec417a ("drm/nouveau: Use atomic VCPI helpers for MST")
References: 412e85b60531 ("drm/nouveau: Only release VCPI slots on mode changes")
Cc: Lyude Paul <lyude@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@redhat.com>
Cc: Jerry Zuo <Jerry.Zuo@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Juston Li <juston.li@intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Karol Herbst <karolherbst@gmail.com>
Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <stable@vger.kernel.org> # v5.1+
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190809005307.18391-1-lyude@redhat.com
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There is another thread still access standard VGA I/O while loading drm driver.
Disable standard VGA I/O decode to avoid this issue.
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1523410059-18415-1-git-send-email-yc_chen@aspeedtech.com
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This driver requires imported PRIME buffers to appear contiguously in
its IO address space. Make sure this is the case by setting the maximum
DMA segment size to a more suitable value than the default 64KB.
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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PRIME buffers should be imported using the DMA device. To this end, use
a custom import function that mimics drm_gem_prime_import_dev(), but
passes the correct device.
Fixes: 119f5173628aa ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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The spsc_queue_peek function is accessing queue->head which belongs to
the consumer thread and shouldn't be accessed by the producer
This is fixing a rare race condition when destroying entities.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Monk.liu@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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drm-intel-fixes
gvt-fixes-2019-08-13
- Fix one use-after-free error (Dan)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190813095845.GF19140@zhen-hp.sh.intel.com
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It's large and doesn't need contiguous memory. Fixes
allocation failures in some cases.
v2: kvfree the memory.
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The SOC15_REG_OFFSET() macro wasn't used, making the soft recovery fail.
v2: use WREG32_SOC15 instead of WREG32 + SOC15_REG_OFFSET
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The omapdrm driver uses dma_set_coherent_mask(), but that's not enough
anymore when LPAE is enabled.
From Christoph Hellwig <hch@lst.de>:
> The traditional arm DMA code ignores, but the generic dma-direct/swiotlb
> has stricter checks and thus fails mappings without a DMA mask. As we
> use swiotlb for arm with LPAE now, omapdrm needs to catch up and
> actually set a DMA mask.
Change the dma_set_coherent_mask() call to
dma_coerce_mask_and_coherent() so that the dev->dma_mask is also set.
Fixes: ad3c7b18c5b3 ("arm: use swiotlb for bounce buffering on LPAE configs")
Reported-by: "H. Nikolaus Schaller" <hns@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c219e7e6-0f66-d6fd-e0cf-59c803386825@ti.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
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Backport requested for omap dma mask fix. I'm not sure it still
requires it, but just in case. :)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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The 'memory-region' property of the komeda display driver DT binding
allows the use of a 'reserved-memory' node for buffer allocations. Add
the requisite of_reserved_mem_device_{init,release} calls to actually
make use of the memory if present.
Changes since v1:
- Move handling inside komeda_parse_dt
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190805095408.21285-1-mihail.atanassov@arm.com
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The drm_format_info doesn't have any cpp or block_size (both are zero)
information for arm only afbc format YU08/YU10. we need to compute it
by ourselves.
Changes since v1:
1. Removed redundant warning check in komeda_get_afbc_format_bpp();
2. Removed a redundant empty line;
3. Rebased the branch.
Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1565073104-24047-1-git-send-email-lowry.li@arm.com
Link: https://patchwork.freedesktop.org/patch/msgid/1565073104-24047-1-git-send-email-lowry.li@arm.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool warning fix from Thomas Gleixner:
"The recent objtool fixes/enhancements unearthed a unbalanced CLAC in
the i915 driver.
Chris asked me to pick the fix up and route it through"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
drm/i915: Remove redundant user_access_end() from __copy_from_user() error path
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Objtool reports:
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.o: warning: objtool: .altinstr_replacement+0x36: redundant UACCESS disable
__copy_from_user() already does both STAC and CLAC, so the
user_access_end() in its error path adds an extra unnecessary CLAC.
Fixes: 0b2c8f8b6b0c ("i915: fix missing user_access_end() in page fault exception case")
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://github.com/ClangBuiltLinux/linux/issues/617
Link: https://lkml.kernel.org/r/51a4155c5bc2ca847a9cbe85c1c11918bb193141.1564086017.git.jpoimboe@redhat.com
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We can't free "workload" until after the printk or it's a use after
free.
Fixes: 2089a76ade90 ("drm/i915/gvt: Checking workload's gma earlier")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Initialize and enable output polling on Komeda.
Changes since v1:
1. Enable the polling before registering the driver;
2. Disable the polling after unregistering the driver.
Changes since v2:
1. If driver register failed, disable the polling.
Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1564733249-24329-1-git-send-email-lowry.li@arm.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.3-rc4:
- Fix GLK DSI escape clock setting
- Fix a memleak on HDCP revoked Ksv error path
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87pnlghz79.fsf@intel.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.3-rc4:
- Suspend fix for rockchip
- Fix unterminated strncpy cmdline mode parser
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ace294a6-6bb2-d9b1-695d-3260e1d60831@linux.intel.com
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Currently when too many retries have occurred there is a memory
leak on the allocation for reply on the error return path. Fix
this by kfree'ing reply before returning.
Addresses-Coverity: ("Resource leak")
Fixes: a9cd9c044aa9 ("drm/vmwgfx: Add a check to handle host message failure")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
drm-fixes-5.3-2019-08-07:
amdgpu:
- Fixes VCN to handle the latest navi10 firmware
- Fixes for fan control on navi10
- Properly handle SMU metrics table on navi10
- Fix a resume regression on Stoney
amdkfd:
- Revert new GWS ioctl. It's not ready.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807184221.3323-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.3-rc4
This contains a single fix for a regression introduced by a combination
of a GPIO and a drm/tegra patch merged in v5.3-rc1.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807140634.29166-1-thierry.reding@gmail.com
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This reverts commit 1a058c3376765ee31d65e28cbbb9d4ff15120056.
This interface is still in too much flux. Revert until
it's sorted out.
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 9ed2c993d723129f85101e51b2ccc36ef5400a67.
SET_CONFIG_REG writes to memory if register shadowing is enabled,
causing a VM fault.
NGG streamout is unstable anyway, so all UMDs should use legacy
streamout. I think Mesa is the only driver using NGG streamout.
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Without this pin, the csb buffer will be filled with inconsistent
data after S3 resume. And that will causes gfx hang on gfxoff
exit since this csb will be executed then.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Tested-by: Paul Gover <pmw.gover@yahoo.co.uk>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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In commit fe64ba5c6323 ("drm/rockchip: Resume DP early") we moved
resume to be early but left suspend at its normal time. This seems
like it could be OK, but casues problems if a suspend gets interrupted
partway through. The OS only balances matching suspend/resume levels.
...so if suspend was called then resume will be called. If suspend
late was called then resume early will be called. ...but if suspend
was called resume early might not get called. This leads to an
unbalance in the clock enables / disables.
Lets take the simple fix and just move suspend to be late to match.
This makes the PM core take proper care in keeping things balanced.
Fixes: fe64ba5c6323 ("drm/rockchip: Resume DP early")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190802184616.44822-1-dianders@chromium.org
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According to Bspec clock divisor registers in GeminiLake
should be initialized by shifting 1(<<) to amount of correspondent
divisor. While i915 was writing all this time that value as is.
Surprisingly that it by accident worked, until we met some issues
with Microtech Etab.
v2: Added Fixes tag and cc
v3: Added stable to cc as well.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108826
Fixes: bcc657004841 ("drm/i915/glk: Program txesc clock divider for GLK")
Cc: Deepak M <m.deepak@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712081938.14185-1-stanislav.lisovskiy@intel.com
(cherry picked from commit ce52ad5dd52cfaf3398058384e0ff94134bbd89c)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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