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Move layer mixer specific MISR methods to generalized helper methods.
This will make it easier to add CRC support for other blocks in the
future.
Changes since V2:
- Reordered parameters so that offsets are after hw_blk_reg_map
- Fixed mismatched whitespace in bitmask definitions
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490732/
Link: https://lore.kernel.org/r/20220622171835.7558-3-quic_jesszhan@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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The only clock for which we set the rate is the "stream_pixel". Rather
than storing the rate and then setting it by looping over all the
clocks, set the clock rate directly.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/474714/
Link: https://lore.kernel.org/r/20220217055529.499829-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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"ctrl_link" is the clock from DP_CTRL_PM module. The result of setting
the rate for it would be a call to dev_pm_opp_set_rate(). Instead of
saving the rate inside struct dss_module_power, call the
devm_pm_opp_set_rate() directly.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/474712/
Link: https://lore.kernel.org/r/20220217055529.499829-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Move layer mixer-specific section of dpu_crtc_get_crc() into a separate
helper method. This way, we can make it easier to get CRCs from other HW
blocks by adding other get_crc helper methods.
Changes since V1:
- Move common bitmasks to dpu_hw_util.h
- Move common CRC methods to dpu_hw_util.c
- Update copyrights
- Change crcs array to a dynamically allocated array and added it as a
member of crtc_state
Changes since V2:
- Put changes for hw_util into a separate commit
- Revert crcs array to a static array
- Add else case for set_crc_source to return EINVAL if no valid source
is selected
- Add DPU_CRTC_MAX_CRC_ENTRIES macro
Changes since V3:
- Move crcs array into dpu_crtc_get_lm_crc
- Remove comment about crcs array in dpu_crtc_state struct
- Revert `lm` rename
- Remove DPU_CRTC_MAX_CRC_ENTRIES macro
- Return EINVAL in dpu_crtc_get_crc if no valid CRC source is set
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490735/
Link: https://lore.kernel.org/r/20220622171835.7558-2-quic_jesszhan@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Remove the hard-coded limit for writeback and lets start using
the one from catalog instead.
changes in v3:
- correct the Fixes tag
Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489888/
Link: https://lore.kernel.org/r/1655406084-17407-3-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Writeback block for sm8250 was using the default maxlinewidth
of 2048. But this is not right as it supports upto 4096.
This should have no effect on most resolutions as we are
still limiting upto maxlinewidth of SSPP for adding the modes.
Fix the maxlinewidth for writeback block on sm8250.
changes in v3:
- correct the Fixes tag
Fixes: 53324b99bd7b ("drm/msm/dpu: add writeback blocks to the sm8250 DPU catalog")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489887/
Link: https://lore.kernel.org/r/1655406084-17407-2-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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intf and wb resources are not dependent on the rm global
state so need not be allocated during dpu_encoder_virt_atomic_mode_set().
Move the allocation of intf and wb resources to dpu_encoder_setup_display()
so that we can utilize the hw caps even during atomic_check() phase.
Since dpu_encoder_setup_display() already has protection against
setting invalid intf_idx and wb_idx, these checks can now
be dropped as well.
changes in v2:
- add phys->hw_intf and phys->hw_wb checks back
changes in v3:
- correct the Fixes tag
Fixes: e02a559a720f ("drm/msm/dpu: make changes to dpu_encoder to support virtual encoder")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489885/
Link: https://lore.kernel.org/r/1655406084-17407-1-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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After the commit c46f0d69039c ("drm/msm: remove unused hotplug and edid
macros from msm_drv.h") the msm_display_caps enum contains two bits
describing whether the encoder should work in video or command mode.
Drop the enum and replace capabilities field in struct msm_display_info
with boolean is_cmd_mode field.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/485454/
Link: https://lore.kernel.org/r/20220507115942.1705872-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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The functions dpu_encoder_phys_foo_init() can not return NULL. Replace
corresponding IS_ERR_OR_NULL() checks with just IS_ERR().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/485452/
Link: https://lore.kernel.org/r/20220507115942.1705872-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Replace superfluous cfg_init functions, which just assign a static
config to the struct dpu_mdss_cfg, with static instances of struct
dpu_mdss_cfg.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488166/
Link: https://lore.kernel.org/r/20220602202447.1755115-8-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Mark struct dpu_mdss_cfg instance as a const pointer. This is mostly a
preparation for the next patch.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/488164/
Link: https://lore.kernel.org/r/20220602202447.1755115-7-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Change dpu_mdss_cfg::dma_cfg to be a const pointer rather than embedding
the dpu_reg_dma_cfg struct into the struct dpu_mdss_cfg.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/488162/
Link: https://lore.kernel.org/r/20220602202447.1755115-6-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Change dpu_mdss_cfg::perf to be a const pointer rather than embedding
the dpu_perf_cfg struct into the struct dpu_mdss_cfg.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/488158/
Link: https://lore.kernel.org/r/20220602202447.1755115-5-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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The driver should not depend on hw revision for detecting features.
Instead it should use features from the hw catalog. Drop the hwversion
field from struct dpu_mdss_cfg and struct dpu_hw_blk_reg_map.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/488160/
Link: https://lore.kernel.org/r/20220602202447.1755115-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Rather than detecting VBIF_XINL_QOS_LVL_REMAP_000 based on the
hwversion, push the offset to the hw_catalog.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/488156/
Link: https://lore.kernel.org/r/20220602202447.1755115-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Rather than checking hwversion, follow the usual patter and add special
bit to the lm->features to check whether the LM has combined or separate
alpha registers. While we are at it, rename
dpu_hw_lm_setup_blend_config_sdm845() to
dpu_hw_lm_setup_blend_config_combined_alpha().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488155/
Link: https://lore.kernel.org/r/20220602202447.1755115-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Add writeback support for sc7180 devices. This has been
validated on sc7180 chromebook using IGT writeback test
suite.
localhost /usr/local/libexec/igt-gpu-tools # ./kms_writeback
Starting subtest: writeback-pixel-formats
Subtest writeback-pixel-formats: SUCCESS (0.001s)
Starting subtest: writeback-invalid-parameters
Subtest writeback-invalid-parameters: SUCCESS (0.004s)
Starting subtest: writeback-fb-id
Subtest writeback-fb-id: SUCCESS (0.009s)
Starting subtest: writeback-check-output
Subtest writeback-check-output: SUCCESS (0.203s)
Adding this will increase IGT coverage on chromebooks and also
allow using writeback functionality for other use-cases as
necessary.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/485787/
Link: https://lore.kernel.org/r/20220510235439.31916-1-quic_abhinavk@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Merge v5.19 fixes to avoid merge conflicts
Signed-off-by: Rob Clark <robdclark@chromium.org>
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This was a typo, we didn't actually want to return zero.
Fixes: a61acbbe9cf8 ("drm/msm: Track "seqno" fences by idr")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491145/
Link: https://lore.kernel.org/r/20220624184528.4036837-1-robdclark@gmail.com
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Fixes the following smatch warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:261
dpu_encoder_phys_wb_atomic_check() warn: variable dereferenced before check 'conn_state'
Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
Signed-off-by: sunliming <sunliming@kylinos.cn>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/490850/
Link: https://lore.kernel.org/r/20220623012707.453972-1-sunliming@kylinos.cn
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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During msm initialize phase, dp_display_unbind() will be called to undo
initializations had been done by dp_display_bind() previously if there is
error happen at msm_drm_bind. Under this kind of circumstance, drm_device
may not be populated completed which causes system crash at drm_dev_dbg().
This patch reset drm_dev to NULL so that following drm_dev_dbg() will not
refer to any internal fields of drm_device to prevent system from crashing.
Below are panic stack trace,
[ 53.584904] Unable to handle kernel paging request at virtual address 0000000070018001
.
[ 53.702212] Hardware name: Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+) (DT)
[ 53.710445] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 53.717596] pc : string_nocheck+0x1c/0x64
[ 53.721738] lr : string+0x54/0x60
[ 53.725162] sp : ffffffc013d6b650
[ 53.728590] pmr_save: 000000e0
[ 53.731743] x29: ffffffc013d6b650 x28: 0000000000000002 x27: 0000000000ffffff
[ 53.739083] x26: ffffffc013d6b710 x25: ffffffd07a066ae0 x24: ffffffd07a419f97
[ 53.746420] x23: ffffffd07a419f99 x22: ffffff81fef360d4 x21: ffffff81fef364d4
[ 53.753760] x20: ffffffc013d6b6f8 x19: ffffffd07a06683c x18: 0000000000000000
[ 53.761093] x17: 4020386678302f30 x16: 00000000000000b0 x15: ffffffd0797523c8
[ 53.768429] x14: 0000000000000004 x13: ffff0000ffffff00 x12: ffffffd07a066b2c
[ 53.775780] x11: 0000000000000000 x10: 000000000000013c x9 : 0000000000000000
[ 53.783117] x8 : ffffff81fef364d4 x7 : 0000000000000000 x6 : 0000000000000000
[ 53.790445] x5 : 0000000000000000 x4 : ffff0a00ffffff04 x3 : ffff0a00ffffff04
[ 53.797783] x2 : 0000000070018001 x1 : ffffffffffffffff x0 : ffffff81fef360d4
[ 53.805136] Call trace:
[ 53.807667] string_nocheck+0x1c/0x64
[ 53.811439] string+0x54/0x60
[ 53.814498] vsnprintf+0x374/0x53c
[ 53.818009] pointer+0x3dc/0x40c
[ 53.821340] vsnprintf+0x398/0x53c
[ 53.824854] vscnprintf+0x3c/0x88
[ 53.828274] __trace_array_vprintk+0xcc/0x2d4
[ 53.832768] trace_array_printk+0x8c/0xb4
[ 53.836900] drm_trace_printf+0x74/0x9c
[ 53.840875] drm_dev_dbg+0xfc/0x1b8
[ 53.844480] dp_pm_suspend+0x70/0xf8
[ 53.848164] dpm_run_callback+0x60/0x1a0
[ 53.852222] __device_suspend+0x304/0x3f4
[ 53.856363] dpm_suspend+0xf8/0x3a8
[ 53.859959] dpm_suspend_start+0x8c/0xc0
Fixes: 570d3e5d28db ("drm/msm/dp: stop event kernel thread when DP unbind")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/490756/
Link: https://lore.kernel.org/r/1655927731-22396-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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The 'vsync_cnt' is used to count the number of frames for a crtc.
Unfortunately, we increment the count after waking up userspace via
dpu_crtc_vblank_callback() calling drm_crtc_handle_vblank().
drm_crtc_handle_vblank() wakes up userspace processes that have called
drm_wait_vblank_ioctl(), and if that ioctl is expecting the count to
increase it won't.
Increment the count before calling into the drm APIs so that we don't
have to worry about ordering the increment with anything else in drm.
This fixes a software video decode test that fails to see frame counts
increase on Trogdor boards.
Cc: Mark Yacoub <markyacoub@chromium.org>
Cc: Jessica Zhang <quic_jesszhan@quicinc.com>
Fixes: 885455d6bf82 ("drm/msm: Change dpu_crtc_get_vblank_counter to use vsync count.")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Jessica Zhang <quic_jesszhan@quicinc.com> # Trogdor (sc7180)
Patchwork: https://patchwork.freedesktop.org/patch/490531/
Link: https://lore.kernel.org/r/20220622023855.2970913-1-swboyd@chromium.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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Display resolution change is implemented through drm modeset. Older
modeset (resolution) has to be disabled first before newer modeset
(resolution) can be enabled. Display disable will turn off both
pixel clock and main link clock so that main link have to be
re-trained during display enable to have new video stream flow
again. At current implementation, display enable function manually
kicks up irq_hpd_handle which will read panel link status and start
link training if link status is not in sync state.
However, there is rare case that a particular panel links status keep
staying in sync for some period of time after main link had been shut
down previously at display disabled. In this case, main link retraining
will not be executed by irq_hdp_handle(). Hence video stream of newer
display resolution will fail to be transmitted to panel due to main
link is not in sync between host and panel.
This patch will bypass irq_hpd_handle() in favor of directly call
dp_ctrl_on_stream() to always perform link training in regardless of
main link status. So that no unexpected exception resolution change
failure cases will happen. Also this implementation are more efficient
than manual kicking off irq_hpd_handle function.
Changes in v2:
-- set force_link_train flag on DP only (is_edp == false)
Changes in v3:
-- revise commit text
-- add Fixes tag
Changes in v4:
-- revise commit text
Changes in v5:
-- fix spelling at commit text
Changes in v6:
-- split dp_ctrl_on_stream() for phy test case
-- revise commit text for modeset
Changes in v7:
-- drop 0 assignment at local variable (ret = 0)
Changes in v8:
-- add patch to remove pixel_rate from dp_ctrl
Changes in v9:
-- forward declare dp_ctrl_on_stream_phy_test_report()
Fixes: 62671d2ef24b ("drm/msm/dp: fixes wrong connection state caused by failure of link train")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/489895/
Link: https://lore.kernel.org/r/1655411200-7255-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
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As explained in [1], using max_linewidth to limit the modes
does not seem to remove 4K modes on chipsets such as
sm8250 where the max_linewidth actually supports 4k.
This would have been alright if dual SSPP support was
present but otherwise fails the per SSPP bandwidth check.
The ideal way to implement this would be to filter out
the modes which will exceed the bandwidth check by computing
it.
But this would be an exhaustive solution till we have
dual SSPP support.
Let's instead use max_mixer_width to limit the modes.
max_mixer_width still remains 2560 on sm8250 so even if
the max_linewidth is 4096, the only way 4k modes could have
been supported is to have source split enabled on the SSPP.
Since source split support is not enabled yet in DPU driver,
enforce max_mixer_width as the upper limit on the modes.
[1] https://patchwork.freedesktop.org/patch/489662/
Fixes: e67dcecda06f ("drm/msm/dpu: limit writeback modes according to max_linewidth")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489893/
Link: https://lore.kernel.org/r/1655407606-21760-1-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
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dp_display_unbind()
During msm initialize phase, dp_display_unbind() will be called to undo
initializations had been done by dp_display_bind() previously if there is
error happen at msm_drm_bind. In this case, core_initialized flag had to
be check to make sure clocks is on before update DP controller register
to disable HPD interrupts. Otherwise system will crash due to below NOC
fatal error.
QTISECLIB [01f01a7ad]CNOC2 ERROR: ERRLOG0_LOW = 0x00061007
QTISECLIB [01f01a7ad]GEM_NOC ERROR: ERRLOG0_LOW = 0x00001007
QTISECLIB [01f0371a0]CNOC2 ERROR: ERRLOG0_HIGH = 0x00000003
QTISECLIB [01f055297]GEM_NOC ERROR: ERRLOG0_HIGH = 0x00000003
QTISECLIB [01f072beb]CNOC2 ERROR: ERRLOG1_LOW = 0x00000024
QTISECLIB [01f0914b8]GEM_NOC ERROR: ERRLOG1_LOW = 0x00000042
QTISECLIB [01f0ae639]CNOC2 ERROR: ERRLOG1_HIGH = 0x00004002
QTISECLIB [01f0cc73f]GEM_NOC ERROR: ERRLOG1_HIGH = 0x00004002
QTISECLIB [01f0ea092]CNOC2 ERROR: ERRLOG2_LOW = 0x0009020c
QTISECLIB [01f10895f]GEM_NOC ERROR: ERRLOG2_LOW = 0x0ae9020c
QTISECLIB [01f125ae1]CNOC2 ERROR: ERRLOG2_HIGH = 0x00000000
QTISECLIB [01f143be7]GEM_NOC ERROR: ERRLOG2_HIGH = 0x00000000
QTISECLIB [01f16153a]CNOC2 ERROR: ERRLOG3_LOW = 0x00000000
QTISECLIB [01f17fe07]GEM_NOC ERROR: ERRLOG3_LOW = 0x00000000
QTISECLIB [01f19cf89]CNOC2 ERROR: ERRLOG3_HIGH = 0x00000000
QTISECLIB [01f1bb08e]GEM_NOC ERROR: ERRLOG3_HIGH = 0x00000000
QTISECLIB [01f1d8a31]CNOC2 ERROR: SBM1 FAULTINSTATUS0_LOW = 0x00000002
QTISECLIB [01f1f72a4]GEM_NOC ERROR: SBM0 FAULTINSTATUS0_LOW = 0x00000001
QTISECLIB [01f21a217]CNOC3 ERROR: ERRLOG0_LOW = 0x00000006
QTISECLIB [01f23dfd3]NOC error fatal
changes in v2:
-- drop the first patch (drm/msm: enable msm irq after all initializations are done successfully at msm_drm_init()) since the problem had been fixed by other patch
Fixes: 570d3e5d28db ("drm/msm/dp: stop event kernel thread when DP unbind")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/488387/
Link: https://lore.kernel.org/r/1654538139-7450-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
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of_graph_get_remote_node() returns remote device node pointer with
refcount incremented, we should use of_node_put() on it
when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: 86418f90a4c1 ("drm: convert drivers to use of_graph_get_remote_node")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488473/
Link: https://lore.kernel.org/r/20220607110841.53889-1-linmq006@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Prior to the last commit, this could result in setting the GPU
written fence value back to an older value, if we had missed
updating completed_fence prior to suspend. This was mostly
harmless as the GPU would eventually overwrite it again with
the correct value. But we should just not do this. Instead
just leave a sanity check that the fence looks plausible (in
case the GPU scribbled on memory).
Reported-by: Steev Klimaszewski <steev@kali.org>
Fixes: 95d1deb02a9c ("drm/msm/gem: Add fenced vma unpin")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Patchwork: https://patchwork.freedesktop.org/patch/490138/
Link: https://lore.kernel.org/r/20220618161120.3451993-2-robdclark@gmail.com
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I noticed while looking at some traces, that we could miss calls to
msm_update_fence(), as the irq could have raced with retire_submits()
which could have already popped the last submit on a ring out of the
queue of in-flight submits. But walking the list of submits in the
irq handler isn't really needed, as dma_fence_is_signaled() will dtrt.
So lets just drop it entirely.
v2: use spin_lock_irqsave/restore as we are no longer protected by the
spin_lock_irqsave/restore() in update_fences()
Reported-by: Steev Klimaszewski <steev@kali.org>
Fixes: 95d1deb02a9c ("drm/msm/gem: Add fenced vma unpin")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Patchwork: https://patchwork.freedesktop.org/patch/490136/
Link: https://lore.kernel.org/r/20220618161120.3451993-1-robdclark@gmail.com
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Keep the warn, but drop the early return. If we do manage to hit this
sort of issue, skipping the cleanup just makes things worse (dangling
drm_mm_nodes when the msm_gem_vma is freed, etc). Whereas the worst
that happens if we tear down a mapping the GPU is accessing is that we
get GPU iova faults, but otherwise the world keeps spinning.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reported-by: Steev Klimaszewski <steev@kali.org>
Patchwork: https://patchwork.freedesktop.org/patch/489115/
Link: https://lore.kernel.org/r/20220610172055.2337977-1-robdclark@gmail.com
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Previously the BO_PINNED state in the submit was tracking two related
but different things: (1) that the buffer object was pinned, and (2)
that the vma (mapping within a set of pagetables) was pinned. But with
fenced vma unpin (needed so that userspace couldn't race with retire
path for releasing a vma) these two were decoupled. The fact that the
BO_PINNED flag was already cleared meant that we leaked the bo pin count
which should have been dropped when the submit was retired.
So split this state into BO_OBJ_PINNED and BO_VMA_PINNED, so they can be
dropped independently.
Fixes: 95d1deb02a9c ("drm/msm/gem: Add fenced vma unpin")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/487559/
Link: https://lore.kernel.org/r/20220527172341.2151005-1-robdclark@gmail.com
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The dma_map_sgtable() call (used to invalidate cache) overwrites sgt->nents
with 1, so msm_iommu_pagetable_map maps only the first physical segment.
To fix this problem use for_each_sgtable_sg(), which uses orig_nents.
Fixes: b145c6e65eb0 ("drm/msm: Add support to create a local pagetable")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20220613221019.11399-1-jonathan@marek.ca
Signed-off-by: Rob Clark <robdclark@chromium.org>
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In msm_devfreq_suspend() we cancel idle_work synchronously so that it
doesn't run after we power of the hw or in the resume path. But this
means that we want to ensure that idle_work is not scheduled *after* we
no longer hold a runpm ref. So switch the ordering of pm_runtime_put()
vs msm_devfreq_idle().
v2. Only move the runpm _put_autosuspend, and not the _mark_last_busy()
Fixes: 9bc95570175a ("drm/msm: Devfreq tuning")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20210927152928.831245-1-robdclark@gmail.com
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220608161334.2140611-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Highlights:
- Fix hp-wmi regression on HP Omen laptops introduced in 5.18
- Several hardware-id additions
- A couple of other tiny fixes"
* tag 'platform-drivers-x86-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel: hid: Add Surface Go to VGBS allow list
platform/x86: hp-wmi: Use zero insize parameter only when supported
platform/x86: hp-wmi: Resolve WMI query failures on some devices
platform/x86: gigabyte-wmi: Add support for B450M DS3H-CF
platform/x86: gigabyte-wmi: Add Z690M AORUS ELITE AX DDR4 support
platform/x86: barco-p50-gpio: Add check for platform_driver_register
platform/x86/intel: pmc: Support Intel Raptorlake P
platform/x86/intel: Fix pmt_crashlog array reference
platform/mellanox: Add static in struct declaration.
platform/mellanox: Spelling s/platfom/platform/
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Tetsuo's patch to trigger build warnings if system-wide wq's are
flushed along with a TP type update and trivial comment update"
* tag 'wq-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Switch to new kerneldoc syntax for named variable macro argument
workqueue: Fix type of cpu in trace event
workqueue: Wrap flush_workqueue() using a macro
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Make the *.mod build rule portable for POSIX awk
- Fix regression of 'make nsdeps'
- Make scripts/check-local-export working for older bash versions
- Fix scripts/gdb to extract the .config data from vmlinux
* tag 'kbuild-fixes-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
scripts/gdb: change kernel config dumping method
scripts/check-local-export: avoid 'wait $!' for process substitution
scripts/nsdeps: adjust to the format change of *.mod files
kbuild: avoid regex RS for POSIX awk
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Pull cifs client fixes from Steve French:
"Three reconnect fixes, all for stable as well.
One of these three reconnect fixes does address a problem with
multichannel reconnect, but this does not include the additional
fix (still being tested) for dynamically detecting multichannel
adapter changes which will improve those reconnect scenarios even
more"
* tag '5.19-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: populate empty hostnames for extra channels
cifs: return errors during session setup during reconnects
cifs: fix reconnect on smb3 mount types
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- A fix for a 5.19 regression for a case in which early device tree
initializes the RNG, which flips a static branch.
On most plaforms, jump labels aren't initialized until much later, so
this caused splats. On a few mailing list threads, we cooked up easy
fixes for arm64, arm32, and risc-v. But then things looked slightly
more involved for xtensa, powerpc, arc, and mips. And at that point,
when we're patching 7 architectures in a place before the console is
even available, it seems like the cost/risk just wasn't worth it.
So random.c works around it now by checking the already exported
`static_key_initialized` boolean, as though somebody already ran into
this issue in the past. I'm not super jazzed about that; it'd be
prettier to not have to complicate downstream code. But I suppose
it's practical.
- A few small code nits and adding a missing __init annotation.
- A change to the default config values to use the cpu and bootloader's
seeds for initializing the RNG earlier.
This brings them into line with what all the distros do (Fedora/RHEL,
Debian, Ubuntu, Gentoo, Arch, NixOS, Alpine, SUSE, and Void... at
least), and moreover will now give us test coverage in various test
beds that might have caught the above device tree bug earlier.
- A change to WireGuard CI's configuration to increase test coverage
around the RNG.
- A documentation comment fix to unrelated maintainerless CRC code that
I was asked to take, I guess because it has to do with polynomials
(which the RNG thankfully no longer uses).
* tag 'random-5.19-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
wireguard: selftests: use maximum cpu features and allow rng seeding
random: remove rng_has_arch_random()
random: credit cpu and bootloader seeds by default
random: do not use jump labels before they are initialized
random: account for arch randomness in bits
random: mark bootloader randomness code as __init
random: avoid checking crng_ready() twice in random_init()
crc-itu-t: fix typo in CRC ITU-T polynomial comment
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The Surface Go reports Chassis Type 9 (Laptop,) so the device needs to be
added to dmi_vgbs_allow_list to enable tablet mode when an attached Type
Cover is folded back.
BugLink: https://github.com/linux-surface/linux-surface/issues/837
Signed-off-by: Duke Lee <krnhotwings@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220607213654.5567-1-krnhotwings@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
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commit be9d73e64957 ("platform/x86: hp-wmi: Fix 0x05 error code reported by
several WMI calls") and commit 12b19f14a21a ("platform/x86: hp-wmi: Fix
hp_wmi_read_int() reporting error (0x05)") cause ACPI BIOS Error (bug):
Attempt to CreateField of length zero (20211217/dsopcode-133) because of
the ACPI method HWMC, which unconditionally creates a Field of
size (insize*8) bits:
CreateField (Arg1, 0x80, (Local5 * 0x08), DAIN)
In cases where args->insize = 0, the Field size is 0, resulting in
an error.
Fix this by using zero insize only if 0x5 error code is returned
Tested on Omen 15 AMD (2020) board ID: 8786.
Fixes: be9d73e64957 ("platform/x86: hp-wmi: Fix 0x05 error code reported by several WMI calls")
Signed-off-by: Bedant Patnaik <bedant.patnaik@gmail.com>
Tested-by: Jorge Lopez <jorge.lopez2@hp.com>
Link: https://lore.kernel.org/r/41be46743d21c78741232a47bbb5f1cdbcc3d21e.camel@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
|
WMI queries fail on some devices where the ACPI method HWMC
unconditionally attempts to create Fields beyond the buffer
if the buffer is too small, this breaks essential features
such as power profiles:
CreateByteField (Arg1, 0x10, D008)
CreateByteField (Arg1, 0x11, D009)
CreateByteField (Arg1, 0x12, D010)
CreateDWordField (Arg1, 0x10, D032)
CreateField (Arg1, 0x80, 0x0400, D128)
In cases where args->data had zero length, ACPI BIOS Error
(bug): AE_AML_BUFFER_LIMIT, Field [D008] at bit
offset/length 128/8 exceeds size of target Buffer (128 bits)
(20211217/dsopcode-198) was obtained.
ACPI BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [D009] at bit
offset/length 136/8 exceeds size of target Buffer (136bits)
(20211217/dsopcode-198)
The original code created a buffer size of 128 bytes regardless if
the WMI call required a smaller buffer or not. This particular
behavior occurs in older BIOS and reproduced in OMEN laptops. Newer
BIOS handles buffer sizes properly and meets the latest specification
requirements. This is the reason why testing with a dynamically
allocated buffer did not uncover any failures with the test systems at
hand.
This patch was tested on several OMEN, Elite, and Zbooks. It was
confirmed the patch resolves HPWMI_FAN GET/SET calls in an OMEN
Laptop 15-ek0xxx. No problems were reported when testing on several Elite
and Zbooks notebooks.
Fixes: 4b4967cbd268 ("platform/x86: hp-wmi: Changing bios_args.data to be dynamically allocated")
Signed-off-by: Jorge Lopez <jorge.lopez2@hp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220608212923.8585-2-jorge.lopez2@hp.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The syntax without dots is available since commit 43756e347f21
("scripts/kernel-doc: Add support for named variable macro arguments").
The same HTML output is produced with and without this patch.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"A set of fixes. Most address the new warning we emit at build time
when irq chips are not immutable with some additional tweaks to
gpio-crystalcove from Andy and a small tweak to gpio-dwapd.
- make irq_chip structs immutable in several Diolan and intel drivers
to get rid of the new warning we emit when fiddling with irq chips
- don't print error messages on probe deferral in gpio-dwapb"
* tag 'gpio-fixes-for-v5.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: dwapb: Don't print error on -EPROBE_DEFER
gpio: dln2: make irq_chip immutable
gpio: sch: make irq_chip immutable
gpio: merrifield: make irq_chip immutable
gpio: wcove: make irq_chip immutable
gpio: crystalcove: Join function declarations and long lines
gpio: crystalcove: Use specific type and API for IRQ number
gpio: crystalcove: make irq_chip immutable
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Driver fixes and and one core patch.
Nine of the driver patches are minor fixes and reworks to lpfc and the
rest are trivial and minor fixes elsewhere"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pmcraid: Fix missing resource cleanup in error case
scsi: ipr: Fix missing/incorrect resource cleanup in error case
scsi: mpt3sas: Fix out-of-bounds compiler warning
scsi: lpfc: Update lpfc version to 14.2.0.4
scsi: lpfc: Allow reduced polling rate for nvme_admin_async_event cmd completion
scsi: lpfc: Add more logging of cmd and cqe information for aborted NVMe cmds
scsi: lpfc: Fix port stuck in bypassed state after LIP in PT2PT topology
scsi: lpfc: Resolve NULL ptr dereference after an ELS LOGO is aborted
scsi: lpfc: Address NULL pointer dereference after starget_to_rport()
scsi: lpfc: Resolve some cleanup issues following SLI path refactoring
scsi: lpfc: Resolve some cleanup issues following abort path refactoring
scsi: lpfc: Correct BDE type for XMIT_SEQ64_WQE in lpfc_ct_reject_event()
scsi: vmw_pvscsi: Expand vcpuHint to 16 bits
scsi: sd: Fix interpretation of VPD B9h length
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Pull virtio fixes from Michael Tsirkin:
"Fixes all over the place, most notably fixes for latent bugs in
drivers that got exposed by suppressing interrupts before DRIVER_OK,
which in turn has been done by 8b4ec69d7e09 ("virtio: harden vring
IRQ")"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
um: virt-pci: set device ready in probe()
vdpa: make get_vq_group and set_group_asid optional
virtio: Fix all occurences of the "the the" typo
vduse: Fix NULL pointer dereference on sysfs access
vringh: Fix loop descriptors check in the indirect cases
vdpa/mlx5: clean up indenting in handle_ctrl_vlan()
vdpa/mlx5: fix error code for deleting vlan
virtio-mmio: fix missing put_device() when vm_cmdline_parent registration failed
vdpa/mlx5: Fix syntax errors in comments
virtio-rng: make device ready before making request
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen.
"Fix build errors and a stale comment"
* tag 'loongarch-fixes-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Remove MIPS comment about cycle counter
LoongArch: Fix copy_thread() build errors
LoongArch: Fix the !CONFIG_SMP build
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Commit 6c77676645ad ("iov_iter: Fix iter_xarray_get_pages{,_alloc}()")
introduced a problem on some 32-bit architectures (at least arm, xtensa,
csky,sparc and mips), that have a 'size_t' that is 'unsigned int'.
The reason is that we now do
min(nr * PAGE_SIZE - offset, maxsize);
where 'nr' and 'offset' and both 'unsigned int', and PAGE_SIZE is
'unsigned long'. As a result, the normal C type rules means that the
first argument to 'min()' ends up being 'unsigned long'.
In contrast, 'maxsize' is of type 'size_t'.
Now, 'size_t' and 'unsigned long' are always the same physical type in
the kernel, so you'd think this doesn't matter, and from an actual
arithmetic standpoint it doesn't.
But on 32-bit architectures 'size_t' is commonly 'unsigned int', even if
it could also be 'unsigned long'. In that situation, both are unsigned
32-bit types, but they are not the *same* type.
And as a result 'min()' will complain about the distinct types (ignore
the "pointer types" part of the error message: that's an artifact of the
way we have made 'min()' check types for being the same):
lib/iov_iter.c: In function 'iter_xarray_get_pages':
include/linux/minmax.h:20:35: error: comparison of distinct pointer types lacks a cast [-Werror]
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
lib/iov_iter.c:1464:16: note: in expansion of macro 'min'
1464 | return min(nr * PAGE_SIZE - offset, maxsize);
| ^~~
This was not visible on 64-bit architectures (where we always define
'size_t' to be 'unsigned long').
Force these cases to use 'min_t(size_t, x, y)' to make the type explicit
and avoid the issue.
[ Nit-picky note: technically 'size_t' doesn't have to match 'unsigned
long' arithmetically. We've certainly historically seen environments
with 16-bit address spaces and 32-bit 'unsigned long'.
Similarly, even in 64-bit modern environments, 'size_t' could be its
own type distinct from 'unsigned long', even if it were arithmetically
identical.
So the above type commentary is only really descriptive of the kernel
environment, not some kind of universal truth for the kinds of wild
and crazy situations that are allowed by the C standard ]
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/all/YqRyL2sIqQNDfky2@debian/
Cc: Jeff Layton <jlayton@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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By forcing the maximum CPU that QEMU has available, we expose additional
capabilities, such as the RNDR instruction, which increases test
coverage. This then allows the CI to skip the fake seeding step in some
cases. Also enable STRICT_KERNEL_RWX to catch issues related to early
jump labels when the RNG is initialized at boot.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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MAGIC_START("IKCFG_ST") and MAGIC_END("IKCFG_ED") are moved out
from the kernel_config_data variable.
Thus, we parse kernel_config_data directly instead of considering
offset of MAGIC_START and MAGIC_END.
Fixes: 13610aa908dc ("kernel/configs: use .incbin directive to embed config_data.gz")
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Call virtio_device_ready() to make this driver work after commit
b4ec69d7e09 ("virtio: harden vring IRQ"), since the driver uses the
virtqueues in the probe function. (The virtio core sets the device
ready when probe returns.)
Fixes: 8b4ec69d7e09 ("virtio: harden vring IRQ")
Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Message-Id: <20220610151203.3492541-1-vincent.whitchurch@axis.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
|
