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2024-11-02drm/msm/dpu: move scaling limitations out of the hw_catalogDmitry Baryshkov3-23/+13
Max upscale / downscale factors are constant between platforms. In preparation to adding support for virtual planes and allocating SSPP blocks on demand move max scaling factors out of the HW catalog and handle them in the dpu_plane directly. If any of the scaling blocks gets different limitations, this will have to be handled separately, after the plane refactoring. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/621481/ Link: https://lore.kernel.org/r/20241025-dpu-virtual-wide-v6-4-0310fd519765@linaro.org
2024-11-02drm/msm/dpu: drop virt_formats from SSPP subblock configurationDmitry Baryshkov2-16/+0
The virt_formats / virt_num_formats are not used by the current driver and are not going to be used in future since formats for virtual planes are handled in a different way, by forbidding unsupported combinations during atomic_check. Drop those fields now. Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/621479/ Link: https://lore.kernel.org/r/20241025-dpu-virtual-wide-v6-3-0310fd519765@linaro.org
2024-11-02drm/msm/dpu: move pstate->pipe initialization to dpu_plane_atomic_checkDmitry Baryshkov1-14/+11
In preparation for virtualized planes support, move pstate->pipe initialization from dpu_plane_reset() to dpu_plane_atomic_check(). In case of virtual planes the plane's pipe will not be known up to the point of atomic_check() callback. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/621477/ Link: https://lore.kernel.org/r/20241025-dpu-virtual-wide-v6-2-0310fd519765@linaro.org
2024-11-02drm/msm/dpu: use drm_rect_fp_to_int()Dmitry Baryshkov1-6/+1
Use the drm_rect_fp_to_int() helper instead of using the hand-written code. Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/621476/ Link: https://lore.kernel.org/r/20241025-dpu-virtual-wide-v6-1-0310fd519765@linaro.org
2024-11-01Merge tag 'drm-xe-fixes-2024-10-31' of ↵Dave Airlie5-35/+72
https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes Driver Changes: - Fix missing HPD interrupt enabling, bringing one PM refactor with it (Imre / Maarten) - Workaround LNL GGTT invalidation not being visible to GuC (Matthew Brost) - Avoid getting jobs stuck without a protecting timeout (Matthew Brost) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/tsbftadm7owyizzdaqnqu7u4tqggxgeqeztlfvmj5fryxlfomi@5m5bfv2zvzmw
2024-11-01drm/i915/display: Fuse bit for power management disable removedClint Taylor1-2/+4
Starting with display version 13 the fuse bit to disable Display PM has been removed. v2: Bit removed starting with display version 13 (MattR) v3: DG2 still uses this fuse bit (MattR) Bspec: 50075, 69464 Cc: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com> Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com> Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030195507.2753404-1-clinton.a.taylor@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-01drm/mediatek: Drop dependency on ARMChen-Yu Tsai1-1/+1
The recent attempt to make the MediaTek DRM driver build for non-ARM compile tests made the driver unbuildable for arm64 platforms. Since this is used on both ARM and arm64 platforms, just drop the dependency on ARM. Fixes: d2db0b8fd70b ("drm/mediatek: Allow build with COMPILE_TEST=y") Reviewed-by: CK Hu <ck.hu@mediatek.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029111309.737263-1-wenst@chromium.org Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
2024-11-01drm/imx/dcss: include drm/drm_bridge.h headerArnd Bergmann1-0/+1
Compile-testing random configurations leads to failures in dcss-kms.c from a missing declaration: drivers/gpu/drm/imx/dcss/dcss-kms.c:95:8: error: use of undeclared identifier 'drm_bridge_attach' 95 | ret = drm_bridge_attach(encoder, bridge, NULL, | ^ drivers/gpu/drm/imx/dcss/dcss-kms.c:96:5: error: use of undeclared identifier 'DRM_BRIDGE_ATTACH_NO_CONNECTOR' 96 | DRM_BRIDGE_ATTACH_NO_CONNECTOR); | ^ Include the header directly. Fixes: 004555a18d57 ("drm/imx/dcss: Allow build with COMPILE_TEST=y") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241028163527.2425783-1-arnd@kernel.org
2024-11-01Merge tag 'drm-misc-next-2024-10-31' of ↵Dave Airlie91-666/+5154
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for v6.13: All of the previous pull request, with MORE! Core Changes: - Update documentation for scheduler start/stop and job init. - Add dedede and sm8350-hdk hardware to ci runs. Driver Changes: - Small fixes and cleanups to panfrost, omap, nouveau, ivpu, zynqmp, v3d, panthor docs, and leadtek-ltk050h3146w. - Crashdump support for qaic. - Support DP compliance in zynqmp. - Add Samsung S6E88A0-AMS427AP24 panel. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/deeef745-f3fb-4e85-a9d0-e8d38d43c1cf@linux.intel.com
2024-11-01drm/msm: drop MAX_BRIDGES defineDmitry Baryshkov1-1/+0
The const MAX_BRIDGES is unused after the commit 4d1a1e4686bd ("drm/msm: remove msm_drm_private::bridges field"), drop it now. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/622537/ Link: https://lore.kernel.org/r/20241031-dpu-move-topology-v1-3-8ffa8122d3b6@linaro.org
2024-11-01drm/msm: move MAX_H_TILES_PER_DISPLAY to the DPU driverDmitry Baryshkov2-1/+2
The MAX_H_TILES_PER_DISPLAY const is only used by the DPU driver, move it to the corresponding header. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/622536/ Link: https://lore.kernel.org/r/20241031-dpu-move-topology-v1-2-8ffa8122d3b6@linaro.org
2024-11-01drm/msm: move msm_display_topology to the DPU driverDmitry Baryshkov2-16/+16
The struct msm_display_topology is only used by the DPU driver. Remove it from the global header and move it to DPU-specific header. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/622534/ Link: https://lore.kernel.org/r/20241031-dpu-move-topology-v1-1-8ffa8122d3b6@linaro.org
2024-11-01Merge tag 'mediatek-drm-fixes-20241028' of ↵Dave Airlie11-32/+179
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes Mediatek DRM Fixes - 20241028 1. Fix degradation problem of alpha blending 2. Fix color format MACROs in OVL 3. Fix get efuse issue for MT8188 DPTX 4. Fix potential NULL dereference in mtk_crtc_destroy() 5. Correct dpi power-domains property 6. Add split subschema property constraints Signed-off-by: Dave Airlie <airlied@redhat.com> From: Chun-Kuang Hu <chunkuang.hu@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20241028135846.3570-1-chunkuang.hu@kernel.org
2024-11-01drm/msm/dpu: cast crtc_clk calculation to u64 in _dpu_core_perf_calc_clk()Zichen Xie1-1/+1
There may be a potential integer overflow issue in _dpu_core_perf_calc_clk(). crtc_clk is defined as u64, while mode->vtotal, mode->hdisplay, and drm_mode_vrefresh(mode) are defined as a smaller data type. The result of the calculation will be limited to "int" in this case without correct casting. In screen with high resolution and high refresh rate, integer overflow may happen. So, we recommend adding an extra cast to prevent potential integer overflow. Fixes: c33b7c0389e1 ("drm/msm/dpu: add support for clk and bw scaling for display") Signed-off-by: Zichen Xie <zichenxie0106@gmail.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/622206/ Link: https://lore.kernel.org/r/20241029194209.23684-1-zichenxie0106@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2024-11-01Merge tag 'amd-drm-fixes-6.12-2024-10-31' of ↵Dave Airlie3-4/+7
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.12-2024-10-31: amdgpu: - DCN 3.5 fix - Vangogh SMU KASAN fix - SMU 13 profile reporting fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241031151539.3523633-1-alexander.deucher@amd.com
2024-10-31drm/msm/dp: tidy up platform data namesDmitry Baryshkov1-19/+19
Follow the established symbol name pattern and rename platform data structures. Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/622213/ Link: https://lore.kernel.org/r/20241029-msm-dp-rename-v2-3-13c5c03fad44@linaro.org
2024-10-31drm/msm/dp: rename edp_ bridge functions and structDmitry Baryshkov1-18/+18
Follow the estalished prefix and rename eDP bridge symbols to use msm_edp_ prefix, moving the edp to the end of the symbol name. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/622210/ Link: https://lore.kernel.org/r/20241029-msm-dp-rename-v2-2-13c5c03fad44@linaro.org
2024-10-31drm/msm/dp: prefix all symbols with msm_dp_Dmitry Baryshkov20-1882/+1882
For historical reasons a lot of symbols in the MSM DisplayPort driver used the generic dp_ prefix. Perform a mass-rename of those symbols to use msm_dp prefix. Basically this is a result of the following script: sed drivers/gpu/drm/msm/dp/* -i -e 's/\<dp_/msm_dp_/g' sed drivers/gpu/drm/msm/dp/* -i -e 's/"msm_dp_/"dp_/g' sed drivers/gpu/drm/msm/dp/* -i -e 's/msm_\(dp_sdp_header\|dp_sdp\)\>/\1/g' Yes, this also results in renaming of several struct fields in addition to renaming the structs and functions, but I think the simple solution is better than the more complex one. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410250305.UHKDhtxy-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/622211/ Link: https://lore.kernel.org/r/20241029-msm-dp-rename-v2-1-13c5c03fad44@linaro.org
2024-10-31drm/i915: Implement Dbuf overlap detection feature starting from LNLStanislav Lisovskiy4-0/+19
From LNL onwards there is a new hardware feature, which allows to detect if the driver wrongly allocated DBuf entries and they happen to overlap. If enabled this will cause a specific interrupt to occur. We now handle it in the driver, by writing correspondent error message to kernel log. v2: Initialize dbuf overlap flag in runtime_defaults (Jani Nikula) v3: Unmask the overlap detection interrupt (Uma) v4: use display over i915 (Jani Nikula) v5: Use display instead of dev_priv (Jani Nikula) v6: rebased to resolve merge conflicts Bspec: 69450, 69464 Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030103319.207235-1-vinod.govindapillai@intel.com
2024-10-31drm/i915/dp: Write the source OUI for non-eDP sinks as wellImre Deak1-3/+2
At least the i-tec USB-C Nano 2x Display Docking Station (containing a Synaptics MST branch device) requires the driver to update the source OUI DPCD registers to expose its DSC capability. Accordingly update the OUI for all sink types (besides eDP where this has been done already). v2: Rebased on latest patch version. Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11776 Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-9-imre.deak@intel.com
2024-10-31drm/i915/dp: Write the source OUI during connector detectionImre Deak1-0/+2
The DP sink's capabilities, like DSC, may depend on the source OUI written to the sink. On eDP this OUI value could have been reset before the detection started if the panel power on it got disabled. Make sure the OUI is re-written at the beginning of detection in this case, before the sink capabilities are read out. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-8-imre.deak@intel.com
2024-10-31drm/i915/dp: Write the source OUI for eDP before detecting sink capabilitiesImre Deak1-6/+6
The eDP sink's capabilities, like DSC, may depend on the source OUI written to the sink, so ensure the OUI is written before reading out the capabilities. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-7-imre.deak@intel.com
2024-10-31drm/i915/dp: Reuse intel_dp_detect_dsc_caps() for eDPImre Deak1-20/+18
Reuse intel_dp_detect_dsc_caps() which already checks for the source's DSC cap and retrieves the DPCD version from the DPRX caps. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-6-imre.deak@intel.com
2024-10-31drm/i915/dp: Track source OUI validity explicitlyImre Deak6-14/+34
While updating the source OUI on the sink the driver should avoid writing the OUI if it's already up-to-date to prevent the sink from resetting itself in response to the update. On eDP - the only output type where the OUI was updated so far - the driver ensured this by comparing the current source OUI DPCD register values with the expected Intel OUI value, skipping the update in case of a match. On some non-eDP sinks - at least on Synaptics branch devices - this method doesn't work, since the source OUI DPCD registers read back as all 0, even after updating the registers. Handle the above kind of sinks by tracking when the OUI was updated and so should be valid, regardless of what the DPCD registers contain. eDP sinks reset the written source OUI value when the panel power is disabled, invalidate the OUI state accordingly. This is required by a follow-up patch updating the source OUI for non-eDP sink types as well. v2: Fix setting intel_dp::oui_valid=true, if the DPCD register contains already the expected value. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-5-imre.deak@intel.com
2024-10-31drm/i915/dp: Initialize the source OUI write timestamp alwaysImre Deak1-1/+4
If the source OUI DPCD register value matches the expected Intel OUI value, the write timestamp doesn't get updated leaving it at the 0 initial value if the OUI wasn't written before. This can lead to an incorrect wait duration in intel_dp_wait_source_oui(), since jiffies is not inited to 0 in general (on a 32 bit system INITIAL_JIFFIES is set to 5 minutes ahead of wrap-around). Fix this by intializing the write timestamp in the above case as well. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-4-imre.deak@intel.com
2024-10-31drm/i915/dp: Ensure panel power remains enabled during connector detectionImre Deak3-6/+27
The sink's capabilities, like the DSC caps, depend on the source OUI written to the sink's DPCD registers and so this OUI value should be valid for the whole duration of the detection. An eDP sink will reset this OUI value when the panel power is disabled, so prevent the disabling - happening by default after a 1 sec idle period - for the whole duration of detection. v2: Update the documentation for intel_pps_on(). (Jani) Cc: Jani Nikula <jani.nikula@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-3-imre.deak@intel.com
2024-10-31drm/i915/dp: Flush modeset commits during connector detectionImre Deak3-4/+26
Make sure that a DP connector detection doesn't happen in parallel with an ongoing modeset on the connector. The reasons for this are: - Besides reading the capabilities, EDID etc. the detection may change the state of the sink (via the AUX bus), for instance by setting the LTTPR mode or the source OUI (the latter introduced by an upcoming patch). It's better to avoid such changes affecting an onging modeset in any way. - During a modeset's link training any access to DPCD registers, besides the registers used for link training should be avoided, at least in the LTTPR non-transparent and transparent link training modes. Such asynchronous accesses - besides connector detection - can also happen via the AUX device node for instance, for those a parallel modeset will have to be avoided in a similar way to the change in this patch. (A topic for a follow-up change.) - The source OUI written to an eDP sink is valid only while the panel power is enabled. A modeset on eDP will enable/disable the panel power synchronously; this should be prevented in the middle of the connector detection, to ensure a consistent sink state (which depends on the source OUI) for the whole duration of detection. The panel power could still get disabled during detection after an idle period (1 sec), this will be prevented by the next patch. v2: (Ville) - s/wait_for_crtc_hw_done/wait_for_connector_hw_done - Get drm_device using an intel_display instead of drm_i915_private ptr. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-2-imre.deak@intel.com
2024-10-31drm/xe: Don't short circuit TDR on jobs not startedMatthew Brost1-6/+12
Short circuiting TDR on jobs not started is an optimization which is not required. On LNL we are facing an issue where jobs do not get scheduled by the GuC if it misses a GGTT page update. When this occurs let the TDR fire, toggle the scheduling which may get the job unstuck, and print a warning message. If the TDR fires twice on job that hasn't started, timeout the job. v2: - Add warning message (Paulo) - Add fixes tag (Paulo) - Timeout job which hasn't started after TDR firing twice v3: - Include local change v4: - Short circuit check_timeout on job not started - use warn level rather than notice (Paulo) Fixes: 7ddb9403dd74 ("drm/xe: Sample ctx timestamp to determine if jobs have timed out") Cc: stable@vger.kernel.org Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025214330.2010521-2-matthew.brost@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 35d25a4a0012e690ef0cc4c5440231176db595cc) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-10-31drm/xe: Add mmio read before GGTT invalidateMatthew Brost1-0/+10
On LNL without a mmio read before a GGTT invalidate the GuC can incorrectly read the GGTT scratch page upon next access leading to jobs not getting scheduled. A mmio read before a GGTT invalidate seems to fix this. Since a GGTT invalidate is not a hot code path, blindly do a mmio read before each GGTT invalidate. Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: stable@vger.kernel.org Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Reported-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3164 Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241023221200.1797832-1-matthew.brost@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 5a710196883e0ac019ac6df2a6d79c16ad3c32fa) [ Fix conflict with mmio vs gt argument ] Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-10-31drm/sched: Document purpose of drm_sched_{start,stop}Philipp Stanner1-1/+7
drm_sched_start()'s and drm_sched_stop()'s names suggest that those functions might be intended for actively starting and stopping the scheduler on initialization and teardown. They are, however, only used on timeout handling (reset recovery). The docstrings should reflect that to prevent confusion. Document those functions' purpose. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Philipp Stanner <pstanner@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029133819.78696-2-pstanner@redhat.com
2024-10-31drm/panel: leadtek-ltk050h3146w: transition to mipi_dsi wrapped functionsTejas Vipin1-211/+134
Changes the leadtek-ltk050h3146w panel to use multi style functions for improved error handling. Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20241026035928.183454-1-tejasvipin76@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20241026035928.183454-1-tejasvipin76@gmail.com
2024-10-31drm/panel: samsung-s6e88a0-ams427ap24: Add flip optionJakob Hauser1-0/+7
The way of implementing a flip option follows the existing panel-samsung-s6e8aa0.c [1][2][3]. The value to flip the screen is taken from a downstream kernel file of a similar but older panel [4]. The mipi clock [5] for the new panel samsung-s6e88a0-ams427ap24 matches 461 MHz and a hardware read-out of the 0xcb values corresponds to revision R01 of that older panel [6]. Although for samsung-s6e88a0-ams427ap24 that's in non-flipped state while in this older driver it seems to be the other way around. Further up there is a hint [7] basically saying for revision R01 to change the first word of the 0xcb command from 0x06 to 0x0e, which is actually setting BIT(3) of that word. This causes a horizontal flip. [1] https://github.com/torvalds/linux/blob/v6.11/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c#L103 [2] https://github.com/torvalds/linux/blob/v6.11/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c#L207-L211 [3] https://github.com/torvalds/linux/blob/v6.11/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c#L954-L974 [4] https://github.com/LineageOS/android_kernel_samsung_msm8930-common/blob/lineage-15.1/drivers/video/msm/mipi_samsung_oled_video_qhd_pt-8930.c [5] https://github.com/LineageOS/android_kernel_samsung_msm8930-common/blob/lineage-15.1/drivers/video/msm/mipi_samsung_oled_video_qhd_pt-8930.c#L2027-L2028 [6] https://github.com/LineageOS/android_kernel_samsung_msm8930-common/blob/lineage-15.1/drivers/video/msm/mipi_samsung_oled_video_qhd_pt-8930.c#L137-L151 [7] https://github.com/LineageOS/android_kernel_samsung_msm8930-common/blob/lineage-15.1/drivers/video/msm/mipi_samsung_oled_video_qhd_pt-8930.c#L66-L74 Signed-off-by: Jakob Hauser <jahau@rocketmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/1491f275e9956b2da1f1e2580abd54f4e459c7d2.1730070570.git.jahau@rocketmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1491f275e9956b2da1f1e2580abd54f4e459c7d2.1730070570.git.jahau@rocketmail.com
2024-10-31drm/panel: samsung-s6e88a0-ams427ap24: Add brightness controlJakob Hauser2-12/+521
The tables for brightness to candela, aid and elvss were taken from downstream kernel file "dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi" [1][2][3]. The gamma table gets generated in "ss_dsi_smart_dimming_S6E88A0_AMS427AP24.c" [4] with hard-coded starting values. The function smart_dimming_init() [5] goes through the v{*}_adjustments, generate_gray_scale and gamma_init procedure. Instead of calculating it manually, it's easier to compile a custom downstream kernel with SMART_DIMMING_DEBUG enabled and read out dmesg early at boot. Selection of the values for aid and elvss are again according to downstream file "dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi" [6][7]. The set of write commands is guided by downstream file "ss_dsi_panel_common.c" [8] followed by "ss_dsi_panel_S6E88A0_AMS427AP24.c" [9]. The dsi mode flag MIPI_DSI_MODE_VIDEO_NO_HFP prevents screen flickering while changing the brightness. [1] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi#L341-L397 [2] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi#L214-L254 [3] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi#L301-L320 [4] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/ss_dsi_smart_dimming_S6E88A0_AMS427AP24.c [5] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/ss_dsi_smart_dimming_S6E88A0_AMS427AP24.c#L1816-L1900 [6] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi#L256-L268 [7] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi#L322-L334 [8] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/ss_dsi_panel_common.c#L1389-L1517 [9] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/ss_dsi_panel_S6E88A0_AMS427AP24.c#L666-L678 Signed-off-by: Jakob Hauser <jahau@rocketmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/30c154954a4e0f75d90f6ef6f393a5ba8b3ffea9.1730070570.git.jahau@rocketmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/30c154954a4e0f75d90f6ef6f393a5ba8b3ffea9.1730070570.git.jahau@rocketmail.com
2024-10-31drm/panel: samsung-s6e88a0-ams427ap24: Add initial driverJakob Hauser3-0/+261
This initial part of the panel driver was mostly generated by the "linux-mdss-dsi-panel-driver-generator" tool [1], reading downstream Android kernel file "dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi" [2]. On top of the generic output of the tool, there were a couple of changes applied: - Added mipi_dsi_dcs_set_display_on() to function s6e88a0_ams427ap24_on(), otherwise the display does not show up. - In functions s6e88a0_ams427ap24_on() and s6e88a0_ams427ap24_off() changed DSI commands to multi context and used "accum_err" returns. - In functions s6e88a0_ams427ap24_on() and s6e88a0_ams427ap24_off() replaced msleep() by mipi_dsi_msleep(). - The function s6e88a0_ams427ap24_get_modes() was changed to make use of drm_connector_helper_get_modes_fixed(). This also required to include drm/drm_probe_helper.h. - In function s6e88a0_ams427ap24_probe() registring the regulators was changed to devm_regulator_bulk_get_const(). This required to change supplies in struct s6e88a0_ams427ap24 to a pointer. - Removed bool "prepared" from struct s6e88a0_ams427ap24 and according parts in functions s6e88a0_ams427ap24_prepare() and s6e88a0_ams427ap24_unprepare(). - Removed include <linux/of.h>, it's not needed. - Added comments to the mipi_dsi_dcs_write_seq_multi() lines in function s6e88a0_ams427ap24_on(). [1] https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator [2] https://github.com/msm8916-mainline/linux-downstream/blob/GT-I9195I/drivers/video/msm/mdss/samsung/S6E88A0_AMS427AP24/dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi Signed-off-by: Jakob Hauser <jahau@rocketmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/d92ef0036b66520bb6d1ec908165e776cf30c303.1730070570.git.jahau@rocketmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/d92ef0036b66520bb6d1ec908165e776cf30c303.1730070570.git.jahau@rocketmail.com
2024-10-31drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()Jinjie Ruan1-4/+4
modprobe drm_hdmi_state_helper_test and then rmmod it, the following memory leak occurs. The `mode` allocated in drm_mode_duplicate() called by drm_display_mode_from_cea_vic() is not freed, which cause the memory leak: unreferenced object 0xffffff80ccd18100 (size 128): comm "kunit_try_catch", pid 1851, jiffies 4295059695 hex dump (first 32 bytes): 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ ..... ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................ backtrace (crc c2f1aa95): [<000000000f10b11b>] kmemleak_alloc+0x34/0x40 [<000000001cd4cf73>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000f1f3cffa>] drm_mode_duplicate+0x44/0x19c [<000000008cbeef13>] drm_display_mode_from_cea_vic+0x88/0x98 [<0000000019daaacf>] 0xffffffedc11ae69c [<000000000aad0f85>] kunit_try_run_case+0x13c/0x3ac [<00000000a9210bac>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000000a0b2e9e>] kthread+0x2e8/0x374 [<00000000bd668858>] ret_from_fork+0x10/0x20 ...... Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it. Cc: stable@vger.kernel.org Fixes: 4af70f19e559 ("drm/tests: Add RGB Quantization tests") Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030023504.530425-4-ruanjinjie@huawei.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-10-31drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()Jinjie Ruan1-12/+12
modprobe drm_connector_test and then rmmod drm_connector_test, the following memory leak occurs. The `mode` allocated in drm_mode_duplicate() called by drm_display_mode_from_cea_vic() is not freed, which cause the memory leak: unreferenced object 0xffffff80cb0ee400 (size 128): comm "kunit_try_catch", pid 1948, jiffies 4294950339 hex dump (first 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e........... backtrace (crc 90e9585c): [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40 [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98 [<00000000d8f2c8b4>] 0xffffffdc982a4868 [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000006ea56ca0>] kthread+0x2e8/0x374 [<000000000676063f>] ret_from_fork+0x10/0x20 ...... Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it. Cc: stable@vger.kernel.org Fixes: abb6f74973e2 ("drm/tests: Add HDMI TDMS character rate tests") Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030023504.530425-3-ruanjinjie@huawei.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-10-31drm/tests: helpers: Add helper for drm_display_mode_from_cea_vic()Jinjie Ruan1-0/+42
As Maxime suggested, add a new helper drm_kunit_display_mode_from_cea_vic(), it can replace the direct call of drm_display_mode_from_cea_vic(), and it will help solving the `mode` memory leaks. Acked-by: Maxime Ripard <mripard@kernel.org> Suggested-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030023504.530425-2-ruanjinjie@huawei.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-10-31drm/xe: Don't short circuit TDR on jobs not startedMatthew Brost1-6/+12
Short circuiting TDR on jobs not started is an optimization which is not required. On LNL we are facing an issue where jobs do not get scheduled by the GuC if it misses a GGTT page update. When this occurs let the TDR fire, toggle the scheduling which may get the job unstuck, and print a warning message. If the TDR fires twice on job that hasn't started, timeout the job. v2: - Add warning message (Paulo) - Add fixes tag (Paulo) - Timeout job which hasn't started after TDR firing twice v3: - Include local change v4: - Short circuit check_timeout on job not started - use warn level rather than notice (Paulo) Fixes: 7ddb9403dd74 ("drm/xe: Sample ctx timestamp to determine if jobs have timed out") Cc: stable@vger.kernel.org Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241025214330.2010521-2-matthew.brost@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-10-31drm/xe: Add mmio read before GGTT invalidateMatthew Brost1-0/+10
On LNL without a mmio read before a GGTT invalidate the GuC can incorrectly read the GGTT scratch page upon next access leading to jobs not getting scheduled. A mmio read before a GGTT invalidate seems to fix this. Since a GGTT invalidate is not a hot code path, blindly do a mmio read before each GGTT invalidate. Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: stable@vger.kernel.org Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Reported-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3164 Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241023221200.1797832-1-matthew.brost@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-10-30Revert "drm/xe/xe_guc_ads: save/restore OA registers and allowlist regs"Ashutosh Dixit1-14/+0
This reverts commit 55858fa7eb2f163f7aa34339fd3399ba4ff564c6. '55858fa7eb2f ("drm/xe/xe_guc_ads: save/restore OA registers and allowlist regs")' was not properly reviewed and also causes dmesg asserts in CI. Revert it. Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3295 Fixes: 55858fa7eb2f ("drm/xe/xe_guc_ads: save/restore OA registers and allowlist regs") Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029200147.1476513-1-ashutosh.dixit@intel.com
2024-10-30Merge remote-tracking branch 'drm-misc/drm-misc-next' into msm-nextRob Clark569-6023/+16842
Merging to pick up commit 785324db2d7a ("drm/msm/dp: migrate the ycbcr_420_allowed to drm_bridge"). Signed-off-by: Rob Clark <robdclark@chromium.org>
2024-10-30drm/panthor: Report group as timedout when we fail to properly suspendBoris Brezillon1-4/+11
If we don't do that, the group is considered usable by userspace, but all further GROUP_SUBMIT will fail with -EINVAL. Changes in v3: - Add R-bs Changes in v2: - New patch Fixes: de8548813824 ("drm/panthor: Add the scheduler logical block") Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029152912.270346-3-boris.brezillon@collabora.com
2024-10-30drm/panthor: Fail job creation when the group is deadBoris Brezillon1-0/+5
Userspace can use GROUP_SUBMIT errors as a trigger to check the group state and recreate the group if it became unusable. Make sure we report an error when the group became unusable. Changes in v3: - None Changes in v2: - Add R-bs Fixes: de8548813824 ("drm/panthor: Add the scheduler logical block") Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029152912.270346-2-boris.brezillon@collabora.com
2024-10-30drm/panthor: Fix firmware initialization on systems with a page size > 4kBoris Brezillon4-8/+24
The system and GPU MMU page size might differ, which becomes a problem for FW sections that need to be mapped at explicit addresses since our PAGE_SIZE alignment might cover a VA range that's expected to be used for another section. Make sure we never map more than we need. Changes in v3: - Add R-bs Changes in v2: - Plan for per-VM page sizes so the MCU VM and user VM can have different pages sizes Fixes: 2718d91816ee ("drm/panthor: Add the FW logical block") Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030150231.768949-1-boris.brezillon@collabora.com
2024-10-30drm/v3d: Drop allocation of object without mountpointMatthias Brugger1-7/+2
Function drm_gem_shmem_create_with_mnt() creates an object without using the mountpoint if gemfs is NULL. Drop the else branch calling drm_gem_shmem_create(). Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Maíra Canal <mcanal@igalia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029-v3d-v2-1-c0d3dd328d1b@gmail.com
2024-10-30drm: xlnx: zynqmp_dpsub: fix hotplug detectionSteffen Dirkwinkel1-2/+2
drm_kms_helper_poll_init needs to be called after zynqmp_dpsub_kms_init. zynqmp_dpsub_kms_init creates the connector and without it we don't enable hotplug detection. Fixes: eb2d64bfcc17 ("drm: xlnx: zynqmp_dpsub: Report HPD through the bridge") Cc: stable@vger.kernel.org Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241028134218.54727-1-lists@steffen.cc
2024-10-30drm: xlnx: zynqmp_disp: layer may be null while releasingSteffen Dirkwinkel1-0/+3
layer->info can be null if we have an error on the first layer in zynqmp_disp_create_layers Fixes: 1836fd5ed98d ("drm: xlnx: zynqmp_dpsub: Minimize usage of global flag") Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241028133941.54264-1-lists@steffen.cc
2024-10-30drm: zynqmp_dp: Add debugfs interface for compliance testingSean Anderson1-3/+677
Add a debugfs interface for exercising the various test modes supported by the DisplayPort controller. This allows performing compliance testing, or performing signal integrity measurements on a failing link. At the moment, we do not support sink-driven link quality testing, although such support would be fairly easy to add. Additionally, add some debugfs files for ignoring AUX errors and HPD events, as this can allow testing with equipment that cannot emulate a DPRX. Signed-off-by: Sean Anderson <sean.anderson@linux.dev> [Tomi: fixed a few minor formatting issues] Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240809193600.3360015-9-sean.anderson@linux.dev
2024-10-30drm: zynqmp_dp: Take dp->lock in zynqmp_dp_hpd_work_funcSean Anderson1-6/+18
Add a non-locking version of zynqmp_dp_bridge_detect and use it in zynqmp_dp_hpd_work_func so we can take the lock explicitly. This will make it easier to check for hpd_ignore when we add debugfs support. Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240809193600.3360015-8-sean.anderson@linux.dev
2024-10-30drm/i915/display: use x100 version for full version and releaseJani Nikula15-38/+36
Use x100, or ver * 100 + rel, versions for full IP version checks, similar to what xe driver does: - Replace IP_VER(14, 1) inline with 1401, etc. - Convert DISPLAY_VER_FULL() to DISPLAY_VERx100() - Convert IS_DISPLAY_VER_FULL() to IS_DISPLAY_VERx100() - Convert IS_DISPLAY_VER_STEP() to IS_DISPLAY_VERx100_STEP() This makes ver.rel versions easier to use, follows the xe driver pattern, and drops the dependency on the IP_VER() macro. v2: Rebase, drop IP_VER() from xe compat headers v3: Rebase Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241029155536.753413-1-jani.nikula@intel.com
generated by cgit v1.2.3 (git 2.39.0) at 2025-10-01 03:13:52 +0300