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It was observed on sc7180 (A618 gpu) that GPU votes for GX rail and CNOC
BCM nodes were not removed after GPU suspend. This was because we
skipped sending 'prepare-slumber' request to gmu during suspend sequence
in some cases. So, make sure we always call prepare-slumber hfi during
suspend. Also, calling prepare-slumber without a prior oob-gpu handshake
messes up gmu firmware's internal state. So, do that when required.
Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support")
Cc: stable@vger.kernel.org
Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/639569/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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There is no recovery mechanism in place yet to recover from mmu
faults for DPU. We can only prevent the faults by making sure there
is no misconfiguration.
Rate-limit the snapshot capture for mmu faults to once per
msm_atomic_commit_tail() as that should be sufficient to capture
the snapshot for debugging otherwise there will be a lot of DPU
snapshots getting captured for the same fault which is redundant
and also might affect capturing even one snapshot accurately.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/638362/
Link: https://lore.kernel.org/r/20250219-abhinavk-smmu-fault-handler-v3-5-aa3f0bf4434a@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Switch msm_kms to use msm_iommu_disp_new() so that the newly
registered fault handler will kick-in during any mmu faults.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638360/
Link: https://lore.kernel.org/r/20250219-abhinavk-smmu-fault-handler-v3-4-aa3f0bf4434a@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Introduce a new API msm_iommu_disp_new() for display use-cases.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638363/
Link: https://lore.kernel.org/r/20250219-abhinavk-smmu-fault-handler-v3-3-aa3f0bf4434a@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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In preparation of registering a separate fault handler for
display, lets rename the existing msm_fault_handler to
msm_gpu_fault_handler.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638358/
Link: https://lore.kernel.org/r/20250219-abhinavk-smmu-fault-handler-v3-2-aa3f0bf4434a@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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In preparation to register a iommu fault handler for display
related modules, register a fault handler for the backing
mmu object of msm_kms.
Currently, the fault handler only captures the display snapshot
but we can expand this later if more information needs to be
added to debug display mmu faults.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638359/
Link: https://lore.kernel.org/r/20250219-abhinavk-smmu-fault-handler-v3-1-aa3f0bf4434a@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Add bitfields for PHY_CMN_CLK_CFG0 and PHY_CMN_CLK_CFG1 registers to
avoid hard-coding bit masks and shifts and make the code a bit more
readable.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/638324/
Link: https://lore.kernel.org/r/20250219-drm-msm-phy-pll-cfg-reg-v5-2-d28973fa513a@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Newly added dsi_pll_cmn_clk_cfg1_update() wrapper protects concurrent
updates to PHY_CMN_CLK_CFG1 register between driver and Common Clock
Framework. pll_7nm_register() still used in one place previous
readl+writel, which can be simplified with this new wrapper.
This is purely for readability and simplification and should have no
functional impact, because the code touched here is before clock is
registered via CCF, so there is no concurrency issue.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/638323/
Link: https://lore.kernel.org/r/20250219-drm-msm-phy-pll-cfg-reg-v5-1-d28973fa513a@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Add check for the return value of devm_kstrdup() in
dsi_host_parse_dt() to catch potential exception.
Fixes: 958d8d99ccb3 ("drm/msm/dsi: parse vsync source from device tree")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638297/
Link: https://lore.kernel.org/r/20250219040712.2598161-1-haoxiang_li2024@163.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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The DRM DSC helper has various bits_per_component values - not just 8.
But the DSC 1.1 block supports only 8, 10, and 12. Extend the guard
accordingly and add a comment noting this limitation.
Signed-off-by: Eugene Lepshy <fekz115@gmail.com>
Co-developed-by: Danila Tikhonov <danila@jiaxyga.com>
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637831/
Link: https://lore.kernel.org/r/20250217222431.82522-4-danila@jiaxyga.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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When DSC is enabled the number of interfaces is forced to be 1, and
documented that it is a "power-optimal" layout to use two DSC encoders
together with two Layer Mixers. However, the same layout (two DSC
hard-slice encoders with two LMs) is also used when the display is
fed with data over two instead of one interface (common on 4k@120Hz
smartphone panels with Dual-DSI). Solve this by simply removing the
num_intf = 1 assignment as the count is already calculated by computing
the number of physical encoders within the virtual encoder.
Fixes: 7e9cc175b159 ("drm/msm/disp/dpu1: Add support for DSC in topology")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/637649/
Link: https://lore.kernel.org/r/20250217-drm-msm-initial-dualpipe-dsc-fixes-v3-3-913100d6103f@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Ordering issues here cause an uninitialized (default STANDALONE)
usecase to be programmed (which appears to be a MUX) in some cases
when msm_dsi_host_register() is called, leading to the slave PLL in
bonded-DSI mode to source from a clock parent (dsi1vco) that is off.
This should seemingly not be a problem as the actual dispcc clocks from
DSI1 that are muxed in the clock tree of DSI0 are way further down, this
bit still seems to have an effect on them somehow and causes the right
side of the panel controlled by DSI1 to not function.
In an ideal world this code is refactored to no longer have such
error-prone calls "across subsystems", and instead model the "PLL src"
register field as a regular mux so that changing the clock parents
programmatically or in DTS via `assigned-clock-parents` has the
desired effect.
But for the avid reader, the clocks that we *are* muxing into DSI0's
tree are way further down, so if this bit turns out to be a simple mux
between dsiXvco and out_div, that shouldn't have any effect as this
whole tree is off anyway.
Fixes: 57bf43389337 ("drm/msm/dsi: Pass down use case to PHY")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/637650/
Link: https://lore.kernel.org/r/20250217-drm-msm-initial-dualpipe-dsc-fixes-v3-2-913100d6103f@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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When configuring the timing of DSI hosts (interfaces) in
dsi_timing_setup() all values written to registers are taking
bonded-mode into account by dividing the original mode width by 2
(half the data is sent over each of the two DSI hosts), but the full
width instead of the interface width is passed as hdisplay parameter to
dsi_update_dsc_timing().
Currently only msm_dsc_get_slices_per_intf() is called within
dsi_update_dsc_timing() with the `hdisplay` argument which clearly
documents that it wants the width of a single interface (which, again,
in bonded DSI mode is half the total width of the mode) resulting in all
subsequent values to be completely off.
However, as soon as we start to pass the halved hdisplay
into dsi_update_dsc_timing() we might as well discard
msm_dsc_get_slices_per_intf() since the value it calculates is already
available in dsc->slice_count which is per-interface by the current
design of MSM DPU/DSI implementations and their use of the DRM DSC
helpers.
Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/637648/
Link: https://lore.kernel.org/r/20250217-drm-msm-initial-dualpipe-dsc-fixes-v3-1-913100d6103f@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Kernel core already prints detailed report about memory allocation
failures, so drivers should not have their own error messages.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637308/
Link: https://lore.kernel.org/r/20250214-drm-msm-cleanups-v2-4-1bec50f37dc1@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Cleanup few obvious kernel coding style violations: missing or
unnecessary braces in 'if-else', unnecessary break lines, incorrect
breaking of long function declarations, unnecessary 'else' after a
'return'. No functional impact expected.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637305/
Link: https://lore.kernel.org/r/20250214-drm-msm-cleanups-v2-3-1bec50f37dc1@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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dsi_get_config(), dsi_clk_init() and msm_dsi_host_init() are called only
from platform driver probe function, so using dev_err_probe() is both
appropriate and beneficial:
- Properly marks device deferred probe status,
- Avoids dmesg flood on probe deferrals,
- Already incorporates printing ERR value,
- Shows device name (in contrast to pr_err()),
- Makes code smaller and simpler.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637306/
Link: https://lore.kernel.org/r/20250214-drm-msm-cleanups-v2-2-1bec50f37dc1@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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dsi_clk_init(), which gets the clocks, is called only through platform
driver probe and its failure is a failure of the probe. Therefore
NULL-ifying specific clocks is pointless and redundant - the PTR_ERR
value stored there won't be used/dereferenced afterwards. What's more,
variant-specific clock init calls like dsi_clk_init_6g_v2() are not
doing this cleanup. Dropping redundant code allows later to make this a
bit simpler.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637303/
Link: https://lore.kernel.org/r/20250214-drm-msm-cleanups-v2-1-1bec50f37dc1@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Since SM8250 all downstream sources program clock inverters in
PLL_CLOCK_INVERTERS_1 register and leave the PLL_CLOCK_INVERTERS as
reset value (0x0). The most recent Hardware Programming Guide for 3 nm,
4 nm, 5 nm and 7 nm PHYs also mention PLL_CLOCK_INVERTERS_1.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Fixes: 1ef7c99d145c ("drm/msm/dsi: add support for 7nm DSI PHY/PLL")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reported-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/634489/
Link: https://lore.kernel.org/r/20250129115504.40080-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Use the header with clock IDs to bind the interface between driver and
DTS.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/634149/
Link: https://lore.kernel.org/r/20250127132105.107138-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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As a preparation for calling dpu_encoder_get_topology() from different
code paths, simplify its calling interface, obtaining some data pointers
internally instead passing them via arguments.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/633396/
Link: https://lore.kernel.org/r/20250123-drm-dirty-modeset-v2-3-bbfd3a6cd1a4@linaro.org
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As a preparation for calling dpu_encoder_get_topology() from different
places, move the code setting topology->needs_cdm to that function
(instead of patching topology separately).
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/633395/
Link: https://lore.kernel.org/r/20250123-drm-dirty-modeset-v2-2-bbfd3a6cd1a4@linaro.org
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The driver isn't supposed to consult crtc_state->active/active_check for
resource allocation. Instead all resources should be allocated if
crtc_state->enabled is set. Stop consulting active / active_changed in
order to determine whether the hardware resources should be
(re)allocated.
Fixes: ccc862b957c6 ("drm/msm/dpu: Fix reservation failures in modeset")
Reported-by: Simona Vetter <simona.vetter@ffwll.ch>
Closes: https://lore.kernel.org/dri-devel/ZtW_S0j5AEr4g0QW@phenom.ffwll.local/
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/633393/
Link: https://lore.kernel.org/r/20250123-drm-dirty-modeset-v2-1-bbfd3a6cd1a4@linaro.org
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Some SoCs such as SC7280 (used in the Fairphone 5) have only a single
DSC "hard slice" encoder. The current hardcoded use of 2:2:1 topology
(2 LM and 2 DSC for a single interface) make it impossible to use
Display Stream Compression panels with mainline, which is exactly what's
installed on the Fairphone 5.
By loosening the hardcoded `num_dsc = 2` to fall back to `num_dsc =
1` when the catalog only contains one entry, we can trivially support
this phone and unblock further panel enablement on mainline. A few
more supporting changes in this patch ensure hardcoded constants of 2
DSC encoders are replaced to count or read back the actual number of
DSC hardware blocks that are enabled for the given virtual encoder.
Likewise DSC_MODE_SPLIT_PANEL can no longer be unconditionally enabled.
Cc: Luca Weiss <luca.weiss@fairphone.com>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Tested-by: Danila Tikhonov <danila@jiaxyga.com>
Patchwork: https://patchwork.freedesktop.org/patch/633318/
Link: https://lore.kernel.org/r/20250122-dpu-111-topology-v2-1-505e95964af9@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Replace ternary (condition ? "enable" : "disable") syntax with helpers
from string_choices.h because:
1. Simple function call with one argument is easier to read. Ternary
operator has three arguments and with wrapping might lead to quite
long code.
2. Is slightly shorter thus also easier to read.
3. It brings uniformity in the text - same string.
4. Allows deduping by the linker, which results in a smaller binary
file.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/632406/
Link: https://lore.kernel.org/r/20250114191724.861601-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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In few places we store 'phys_enc->hw_ctl' to local 'ctl' variable so use
it everywhere. No functional change.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/632389/
Link: https://lore.kernel.org/r/20250114155959.583889-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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On the SM6150 platform there is WB_2 block. Add it to the SM6150 catalog.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Fange Zhang <quic_fangez@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/632337/
Link: https://lore.kernel.org/r/20250114-add-writeback-support-for-sm6150-v2-1-d707b31aad5c@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Link Training Tunable PHY Repeaters (LTTPRs) are defined in DisplayPort
1.4a specification. As the name suggests, these PHY repeaters are
capable of adjusting their output for link training purposes.
According to the DisplayPort standard, LTTPRs have two operating
modes:
- non-transparent - it replies to DPCD LTTPR field specific AUX
requests, while passes through all other AUX requests
- transparent - it passes through all AUX requests.
Switching between these two modes is done by the DPTX by issuing
an AUX write to the DPCD PHY_REPEATER_MODE register.
The msm DP driver is currently lacking any handling of LTTPRs.
This means that if at least one LTTPR is found between DPTX and DPRX,
the link training would fail if that LTTPR was not already configured
in transparent mode.
The section 3.6.6.1 from the DisplayPort v2.0 specification mandates
that before link training with the LTTPR is started, the DPTX may place
the LTTPR in non-transparent mode by first switching to transparent mode
and then to non-transparent mode. This operation seems to be needed only
on first link training and doesn't need to be done again until device is
unplugged.
It has been observed on a few X Elite-based platforms which have
such LTTPRs in their board design that the DPTX needs to follow the
procedure described above in order for the link training to be successful.
So add support for reading the LTTPR DPCD caps to figure out the number
of such LTTPRs first. Then, for platforms (or Type-C dongles) that have
at least one such an LTTPR, set its operation mode to transparent mode
first and then to non-transparent, just like the mentioned section of
the specification mandates.
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250203-drm-dp-msm-add-lttpr-transparent-mode-set-v5-4-c865d0e56d6e@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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LTTPRs operating modes are defined by the DisplayPort standard and the
generic framework now provides a helper to switch between them, which
is handling the explicit disabling of non-transparent mode and its
disable->enable sequence mentioned in the DP Standard v2.0 section
3.6.6.1.
So use the new drm generic helper instead as it makes the code a bit
cleaner. Since the driver specific implementation holds the
lttrp_common_caps, if the call to the drm generic helper fails, the
lttrp_common_caps need to be updated as the helper has already rolled
back to transparent mode.
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250203-drm-dp-msm-add-lttpr-transparent-mode-set-v5-3-c865d0e56d6e@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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LTTPRs operating modes are defined by the DisplayPort standard and the
generic framework now provides a helper to switch between them, which
is handling the explicit disabling of non-transparent mode and its
disable->enable sequence mentioned in the DP Standard v2.0 section
3.6.6.1.
So use the new drm generic helper instead as it makes the code a bit
cleaner.
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Danilo Krummrich <dakr@kernel.org> # via IRC
Link: https://patchwork.freedesktop.org/patch/msgid/20250203-drm-dp-msm-add-lttpr-transparent-mode-set-v5-2-c865d0e56d6e@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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According to the DisplayPort standard, LTTPRs have two operating
modes:
- non-transparent - it replies to DPCD LTTPR field specific AUX
requests, while passes through all other AUX requests
- transparent - it passes through all AUX requests.
Switching between this two modes is done by the DPTX by issuing
an AUX write to the DPCD PHY_REPEATER_MODE register.
Add a generic helper that allows switching between these modes.
Also add a generic wrapper for the helper that handles the explicit
disabling of non-transparent mode and its disable->enable sequence
mentioned in the DP Standard v2.0 section 3.6.6.1. Do this in order
to move this handling out of the vendor specific driver implementation
into the generic framework.
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250203-drm-dp-msm-add-lttpr-transparent-mode-set-v5-1-c865d0e56d6e@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Backmerging to get fixes from v6.14-rc4.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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This is the display panel used for the touchbar on laptops that have it.
Co-developed-by: Nick Chan <towinchenmi@gmail.com>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250217-adpdrm-v7-3-ca2e44b3c7d8@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250217-adpdrm-v7-3-ca2e44b3c7d8@gmail.com
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Add support for the BOE AV123Z7M-N17 12.3" LVDS panel.
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250224-initial_display-v1-8-5ccbbf613543@gocontroll.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250224-initial_display-v1-8-5ccbbf613543@gocontroll.com
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add support for the BOE AV101HDT-A10 10.1" LVDS panel
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250224-initial_display-v1-7-5ccbbf613543@gocontroll.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250224-initial_display-v1-7-5ccbbf613543@gocontroll.com
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Removes mipi_dsi_dcs_set_tear_off and replaces it with a
multi version as after replacing it in sony-td4353-jdi, it doesn't
appear anywhere else. sony-td4353-jdi is converted to use multi style
functions, including mipi_dsi_dcs_set_tear_off_multi.
Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250220045721.145905-1-tejasvipin76@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250220045721.145905-1-tejasvipin76@gmail.com
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Backmerge Linux 6.14-rc4 at the request of tzimmermann so misc-next
can base on rc4.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There are conditions, albeit somewhat unlikely, under which right hand
expressions, calculating the end of time period in functions like
repaper_frame_fixed_repeat(), may overflow.
For instance, if 'factor10x' in repaper_get_temperature() is high
enough (170), as is 'epd->stage_time' in repaper_probe(), then the
resulting value of 'end' will not fit in unsigned int expression.
Mitigate this by casting 'epd->factored_stage_time' to wider type before
any multiplication is done.
Found by Linux Verification Center (linuxtesting.org) with static
analysis tool SVACE.
Fixes: 3589211e9b03 ("drm/tinydrm: Add RePaper e-ink driver")
Cc: stable@vger.kernel.org
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Alex Lanzano <lanzano.alex@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116134801.22067-1-n.zhandarovich@fintech.ru
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Currently CONFIG_PWM is a bool but I intend to change it to tristate. If
CONFIG_PWM=m in the configuration, the cpp symbol CONFIG_PWM isn't
defined and so the PWM code paths in the ti-sn65dsi86 driver are not
used.
The correct way to check for CONFIG_PWM is using IS_REACHABLE which does
the right thing for all cases
CONFIG_DRM_TI_SN65DSI86 ∈ { y, m } x CONFIG_PWM ∈ { y, m, n }.
There is no change until CONFIG_PWM actually becomes tristate.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250217174936.758420-2-u.kleine-koenig@baylibre.com
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Now that we have a header file for internal scheduler interfaces we can
move some more prototypes into it. By doing that we eliminate the chance
of drivers trying to use something which was not intended to be used.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221105038.79665-6-tvrtko.ursulin@igalia.com
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Helper is for scheduler internal use so lets hide it from DRM drivers
completely.
At the same time we change the method of checking whethere there is
anything in the queue from peeking to looking at the node count.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221105038.79665-5-tvrtko.ursulin@igalia.com
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Replace a copy of DRM scheduler's to_drm_sched_job with a copy of a newly
added drm_sched_entity_queue_pop.
This allows breaking the hidden dependency that queue_node has to be the
first element in struct drm_sched_job.
A comment is also added with a reference to the mailing list discussion
explaining the copied helper will be removed when the whole broken
amdgpu_job_stop_all_jobs_on_sched is removed.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Cc: Zhang, Hawking <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221105038.79665-3-tvrtko.ursulin@igalia.com
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Idea is to add helpers for peeking and popping jobs from entities with
the goal of decoupling the hidden assumption in the code that queue_node
is the first element in struct drm_sched_job.
That assumption usually comes in the form of:
while ((job = to_drm_sched_job(spsc_queue_pop(&entity->job_queue))))
Which breaks if the queue_node is re-positioned due to_drm_sched_job
being implemented with a container_of.
This also allows us to remove duplicate definitions of to_drm_sched_job.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221105038.79665-2-tvrtko.ursulin@igalia.com
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
"Revert one cleanup which turned out to eat too much stack space"
* tag 'i2c-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core: Allocate temporary client dynamically
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- Have qcom_edac use the correct interrupt enable register to configure
the RAS interrupt lines
* tag 'edac_urgent_for_v6.14_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/qcom: Correct interrupt enable register configuration
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"Fix miscellaneous irqchip bugs"
* tag 'irq-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/qcom-pdc: Workaround hardware register bug on X1E80100
irqchip/jcore-aic, clocksource/drivers/jcore: Fix jcore-pit interrupt request
irqchip/gic-v3: Fix rk3399 workaround when secure interrupts are enabled
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drivers/i2c/i2c-core-base.c: In function ‘i2c_detect.isra’:
drivers/i2c/i2c-core-base.c:2544:1: warning: the frame size of 1312 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2544 | }
| ^
Fix this by allocating the temporary client structure dynamically, as it
is a rather large structure (1216 bytes, depending on kernel config).
This is basically a revert of the to-be-fixed commit with some
checkpatch improvements.
Fixes: 735668f8e5c9 ("i2c: core: Allocate temp client on the stack in i2c_detect")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
[wsa: updated commit message, merged tags from similar patch]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two people stepped up as platform co-maintainers: Andrew Jeffery for
ASpeed and Janne Grunau for Apple.
The rockchip platform gets 9 small fixes for devicetree files,
addressing both compile-time warnings and board specific bugs.
One bugfix for the optee firmware driver addresses a reboot-time hang.
Two drivers need improved Kconfig dependencies to allow wider compile-
testing while hiding the drivers on platforms that can't use them.
ARM SCMI and loongson-guts drivers get minor bugfixes"
* tag 'soc-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: loongson: loongson2_guts: Add check for devm_kstrdup()
tee: optee: Fix supplicant wait loop
platform: cznic: CZNIC_PLATFORMS should depend on ARCH_MVEBU
firmware: imx: IMX_SCMI_MISC_DRV should depend on ARCH_MXC
MAINTAINERS: arm: apple: Add Janne as maintainer
MAINTAINERS: Mark Andrew as M: for ASPEED MACHINE SUPPORT
firmware: arm_scmi: imx: Correct tx size of scmi_imx_misc_ctrl_set
arm64: dts: rockchip: adjust SMMU interrupt type on rk3588
arm64: dts: rockchip: disable IOMMU when running rk3588 in PCIe endpoint mode
dt-bindings: rockchip: pmu: Ensure all properties are defined
arm64: defconfig: Enable TISCI Interrupt Router and Aggregator
arm64: dts: rockchip: Fix lcdpwr_en pin for Cool Pi GenBook
arm64: dts: rockchip: fix fixed-regulator renames on rk3399-gru devices
arm64: dts: rockchip: Disable DMA for uart5 on px30-ringneck
arm64: dts: rockchip: Move uart5 pin configuration to px30 ringneck SoM
arm64: dts: rockchip: change eth phy mode to rgmii-id for orangepi r1 plus lts
arm64: dts: rockchip: Fix broken tsadc pinctrl names for rk3588
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Pull drm fixes from Dave Airlie:
"Weekly drm fixes pull request, lots of small things all over, msm has
a bunch of things but all very small, xe, i915, a fix for the cgroup
dmem controller.
core:
- remove MAINTAINERS entry
cgroup/dmem:
- use correct function for pool descendants
panel:
- fix signal polarity issue jd9365da-h3
nouveau:
- folio handling fix
- config fix
amdxdna:
- fix missing header
xe:
- Fix error handling in xe_irq_install
- Fix devcoredump format
i915:
- Use spin_lock_irqsave() in interruptible context on guc submission
- Fixes on DDI and TRANS programming
- Make sure all planes in use by the joiner have their crtc included
- Fix 128b/132b modeset issues
msm:
- More catalog fixes:
- to skip watchdog programming through top block if its not
present
- fix the setting of WB mask to ensure the WB input control is
programmed correctly through ping-pong
- drop lm_pair for sm6150 as that chipset does not have any
3dmerge block
- Fix the mode validation logic for DP/eDP to account for widebus
(2ppc) to allow high clock resolutions
- Fix to disable dither during encoder disable as otherwise this
was causing kms_writeback failure due to resource sharing
between WB and DSI paths as DSI uses dither but WB does not
- Fixes for virtual planes, namely to drop extraneous return and
fix uninitialized variables
- Fix to avoid spill-over of DSC encoder block bits when
programming the bits-per-component
- Fixes in the DSI PHY to protect against concurrent access of
PHY_CMN_CLK_CFG regs between clock and display drivers
- Core/GPU:
- Fix non-blocking fence wait incorrectly rounding up to 1 jiffy
timeout
- Only print GMU fw version once, instead of each time the GPU
resumes"
* tag 'drm-fixes-2025-02-22' of https://gitlab.freedesktop.org/drm/kernel: (28 commits)
drm/i915/dp: Fix disabling the transcoder function in 128b/132b mode
drm/i915/dp: Fix error handling during 128b/132b link training
accel/amdxdna: Add missing include linux/slab.h
MAINTAINERS: Remove myself
drm/nouveau/pmu: Fix gp10b firmware guard
cgroup/dmem: Don't open-code css_for_each_descendant_pre
drm/xe/guc: Fix size_t print format
drm/xe: Make GUC binaries dump consistent with other binaries in devcoredump
drm/i915: Make sure all planes in use by the joiner have their crtc included
drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL
drm/i915/dsi: Use TRANS_DDI_FUNC_CTL's own port width macro
drm/xe: Fix error handling in xe_irq_install()
drm/i915/gt: Use spin_lock_irqsave() in interruptible context
drm/msm/dsi/phy: Do not overwite PHY_CMN_CLK_CFG1 when choosing bitclk source
drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver
drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG0 updated from driver side
drm/msm/dpu: Drop extraneous return in dpu_crtc_reassign_planes()
drm/msm/dpu: Don't leak bits_per_component into random DSC_ENC fields
drm/msm/dpu: Disable dither in phys encoder cleanup
drm/msm/dpu: Fix uninitialized variable
...
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- FC controller state check fixes (Daniel)
- PCI Endpoint fixes (Damien)
- TCP connection failure fixe (Caleb)
- TCP handling C2HTermReq PDU (Maurizio)
- RDMA queue state check (Ruozhu)
- Apple controller fixes (Hector)
- Target crash on disbaled namespace (Hannes)
- MD pull request via Yu:
- Fix queue limits error handling for raid0, raid1 and raid10
- Fix for a NULL pointer deref in request data mapping
- Code cleanup for request merging
* tag 'block-6.14-20250221' of git://git.kernel.dk/linux:
nvme: only allow entering LIVE from CONNECTING state
nvme-fc: rely on state transitions to handle connectivity loss
apple-nvme: Support coprocessors left idle
apple-nvme: Release power domains when probe fails
nvmet: Use enum definitions instead of hardcoded values
nvme: Cleanup the definition of the controller config register fields
nvme/ioctl: add missing space in err message
nvme-tcp: fix connect failure on receiving partial ICResp PDU
nvme: tcp: Fix compilation warning with W=1
nvmet: pci-epf: Avoid RCU stalls under heavy workload
nvmet: pci-epf: Do not uselessly write the CSTS register
nvmet: pci-epf: Correctly initialize CSTS when enabling the controller
nvmet-rdma: recheck queue state is LIVE in state lock in recv done
nvmet: Fix crash when a namespace is disabled
nvme-tcp: add basic support for the C2HTermReq PDU
nvme-pci: quirk Acer FA100 for non-uniqueue identifiers
block: fix NULL pointer dereferenced within __blk_rq_map_sg
block/merge: remove unnecessary min() with UINT_MAX
md/raid*: Fix the set_queue_limits implementations
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If mhi_fw_load_handler() bails out early because the EE is not capable
of loading firmware, we may reference fw_load_type in cleanup which is
uninitialized at this point. The cleanup code checks fw_load_type as a
proxy for knowing if fbc_image was allocated and needs to be freed, but
we can directly test for that. This avoids the possible uninitialized
access and appears to be clearer code.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/e3148ac4-7bb8-422d-ae0f-18a8eb15e269@stanley.mountain/
Fixes: f88f1d0998ea ("bus: mhi: host: Add a policy to enable image transfer via BHIe in PBL")
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250214162109.3555300-1-quic_jhugo@quicinc.com
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