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* Merge tag 'drm-misc-next-fixes-2023-06-29' of ↵Dave Airlie2023-07-061-0/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/drm/drm-misc into drm-next Short summary of fixes pull: * fbdev: Fix module infos on sparc Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230629113814.GA10448@linux-uq9g
| * arch/sparc: Add module license and description for fbdev helpersThomas Zimmermann2023-06-291-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add MODULE_LICENSE() and MODULE_DESCRIPTION() for fbdev helpers on sparc. Fixes the following error: ERROR: modpost: missing MODULE_LICENSE() in arch/sparc/video/fbdev.o Reported-by: Guenter Roeck <linux@roeck-us.net> Closes: https://lore.kernel.org/dri-devel/c525adc9-6623-4660-8718-e0c9311563b8@roeck-us.net/ Suggested-by: Arnd Bergmann <arnd@arndb.de> Fixes: 4eec0b3048fc ("arch/sparc: Implement fb_is_primary_device() in source file") Cc: "David S. Miller" <davem@davemloft.net> Cc: Helge Deller <deller@gmx.de> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: sparclinux@vger.kernel.org Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230627145843.31794-1-tzimmermann@suse.de
* | Merge tag 'drm-intel-next-fixes-2023-06-21' of ↵Dave Airlie2023-06-285-13/+18
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/drm/drm-intel into drm-next One fix for incorrect error handling in the frame buffer mmap callback, HuC init error handling fix, missing wakeref during GSC init and a build fix when !CONFIG_PROC_FS. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZJLI8ON96ApPTl8H@tursulin-desk
| * | drm/i915: Fix a NULL vs IS_ERR() bugDan Carpenter2023-06-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The mmap_offset_attach() function returns error pointers, it doesn't return NULL. Fixes: eaee1c085863 ("drm/i915: Add a function to mmap framebuffer obj") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZH7tHLRZ9oBjedjN@moroto (cherry picked from commit 3a89311387cde27da8e290458b2d037133c1f7b5) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
| * | drm/i915: make i915_drm_client_fdinfo() reference conditional againArnd Bergmann2023-06-202-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The function is only defined if CONFIG_PROC_FS is enabled: ld.lld: error: undefined symbol: i915_drm_client_fdinfo >>> referenced by i915_driver.c >>> drivers/gpu/drm/i915/i915_driver.o:(i915_drm_driver) in archive vmlinux.a Use the PTR_IF() helper to make the reference NULL otherwise. Fixes: e894b724c316d ("drm/i915: Use the fdinfo helper") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230616093158.3568480-1-arnd@kernel.org (cherry picked from commit 8084c63743a88472af0a34ba209eebf9caea1dae) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
| * | drm/i915/huc: Fix missing error code in intel_huc_init()Harshit Mogalapalli2023-06-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Smatch warns: drivers/gpu/drm/i915/gt/uc/intel_huc.c:388 intel_huc_init() warn: missing error code 'err' When the allocation of VMAs fail: The value of err is zero at this point and it is passed to PTR_ERR and also finally returning zero which is success instead of failure. Fix this by adding the missing error code when VMA allocation fails. Fixes: 08872cb13a71 ("drm/i915/mtl/huc: auth HuC via GSC") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230614223646.2583633-1-daniele.ceraolospurio@intel.com (cherry picked from commit ce432fd34cc6c7b7af06d1403ec0be19d1e518dc) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
| * | drm/i915/gsc: take a wakeref for the proxy-init-completion checkAlan Previn2023-06-201-8/+14
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ensure intel_gsc_uc_fw_init_done and intel_gsc_uc_fw_proxy_init takes a wakeref before reading GSC Shim registers. NOTE: another patch in review also adds a call from selftest to this same function. (https://patchwork.freedesktop.org/series/117713/) which is why i am adding the wakeref inside the callee, not the caller. v2: - add a helper, 'gsc_uc_get_fw_status' for both callers (Daniele Ceraolo) Fixes: 99afb7cc8c44 ("drm/i915/pxp: Add ARB session creation and cleanup") Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230608230716.3079594-1-alan.previn.teres.alexis@intel.com (cherry picked from commit 8c33c3755b75c98d8eb490df345b4187a295a1a8) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
* | Merge tag 'drm-msm-next-2023-06-18' of ↵Dave Airlie2023-06-19108-2493/+4442
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | https://gitlab.freedesktop.org/drm/msm into drm-next Updates for v6.5.. this includes a backmerg of drm-next tree to be able to use new DRM DSC helpers. Core: + Add Marijn Suijten as drm/msm reviewer + Adreno A660 bindings + SM8350 MDSS bindings fix + Fix adreno_is_a690() warnings + More generic (DRM) and MSM-specific DSC helpers DP: + Removed obsolete USB-PD remains + Documented DP compatible string for sm8550 platform DPU: + Enable missing features (DSPP, DSC, split display) on sc8180x, sc8280xp, sm8450 + Enabled writeback on sc7280 + Implemented tearcheck support to support vsync on SM150 and newer platforms + Native HDMI output support + Dropped unused features: regdma, GC, IGC + Fixed the DSC flush operations + Simplified QoS handling, removing obsolete and unused features and merging SSPP and WB code paths + Reworked dpu_encoder initialisation path + Enabled DSPP support on sdm845 + Disabled color-management if DSPP blocks are not available + Added support for DSC 1.2 blocks found on sm8350 and later + Added .fb_dirty to fix CMD panels DSI: + Drop powerup quirks in favour of using pre_enable_prev_first for downstream bridges + Fixed 14nm DSI PHY programming + Added support for DSI and 28nm DSI PHY on MSM8226 platform + Make use of DRM and MSM DSC helpers MDP5: + Added support for display controller on MSM8226 platform GPU: + A690 support + Don't set IO_PGTABLE_QUIRK_ARM_OUTER_WBWA on devices with coherent SMMU (like A690) + Move cmdstream dumping out of fence signaling path + Cleanups + Support for a6xx devices without GMU (aka "GMU wrapper" + a610 support + a619_holi support (a619 variant without GMU) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGsUB=tRB4nR6ZCJMuLhro5zN3BQWUSywVYbaipqqDZ_cQ@mail.gmail.com
| * | drm/msm/a6xx: Add A610 speedbin supportKonrad Dybcio2023-06-181-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A610 is implemented on at least three SoCs: SM6115 (bengal), SM6125 (trinket) and SM6225 (khaje). Trinket does not support speed binning (only a single SKU exists) and we don't yet support khaje upstream. Hence, add a fuse mapping table for bengal to allow for per-chip frequency limiting. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542780/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Add A619_holi speedbin supportKonrad Dybcio2023-06-181-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A619_holi is implemented on at least two SoCs: SM4350 (holi) and SM6375 (blair). This is what seems to be a first occurrence of this happening, but it's easy to overcome by guarding the SoC-specific fuse values with of_machine_is_compatible(). Do just that to enable frequency limiting on these SoCs. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542772/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Use adreno_is_aXYZ macros in speedbin matchingKonrad Dybcio2023-06-182-12/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before transitioning to using per-SoC and not per-Adreno speedbin fuse values (need another patchset to land elsewhere), a good improvement/stopgap solution is to use adreno_is_aXYZ macros in place of explicit revision matching. Do so to allow differentiating between A619 and A619_holi. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542777/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Use "else if" in GPU speedbin rev matchingKonrad Dybcio2023-06-181-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GPU can only be one at a time. Turn a series of ifs into if + elseifs to save some CPU cycles. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542770/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Fix some A619 tunablesKonrad Dybcio2023-06-181-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adreno 619 expects some tunables to be set differently. Make up for it. Fixes: b7616b5c69e6 ("drm/msm/adreno: Add A619 support") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542782/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Add A610 supportKonrad Dybcio2023-06-183-12/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A610 is one of (if not the) lowest-tier SKUs in the A6XX family. It features no GMU, as it's implemented solely on SoCs with SMD_RPM. What's more interesting is that it does not feature a VDDGX line either, being powered solely by VDDCX and has an unfortunate hardware quirk that makes its reset line broken - after a couple of assert/ deassert cycles, it will hang for good and will not wake up again. This GPU requires mesa changes for proper rendering, and lots of them at that. The command streams are quite far away from any other A6XX GPU and hence it needs special care. This patch was validated both by running an (incomplete) downstream mesa with some hacks (frames rendered correctly, though some instructions made the GPU hangcheck which is expected - garbage in, garbage out) and by replaying RD traces captured with the downstream KGSL driver - no crashes there, ever. Add support for this GPU on the kernel side, which comes down to pretty simply adding A612 HWCG tables, altering a few values and adding a special case for handling the reset line. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542779/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Add support for A619_holiKonrad Dybcio2023-06-182-2/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A619_holi is a GMU-less variant of the already-supported A619 GPU. It's present on at least SM4350 (holi) and SM6375 (blair). No mesa changes are required. Add the required kernel-side support for it. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542775/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/adreno: Disable has_cached_coherent in GMU wrapper configurationsKonrad Dybcio2023-06-181-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A610 and A619_holi don't support the feature. Disable it to make the GPU stop crashing after almost each and every submission - the received data on the GPU end was simply incomplete in garbled, resulting in almost nothing being executed properly. Extend the disablement to adreno_has_gmu_wrapper, as none of the GMU wrapper Adrenos that don't support yet seem to feature it. Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542774/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Introduce GMU wrapper supportKonrad Dybcio2023-06-186-36/+266
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some (particularly SMD_RPM, a.k.a non-RPMh) SoCs implement A6XX GPUs but don't implement the associated GMUs. This is due to the fact that the GMU directly pokes at RPMh. Sadly, this means we have to take care of enabling & scaling power rails, clocks and bandwidth ourselves. Reuse existing Adreno-common code and modify the deeply-GMU-infused A6XX code to facilitate these GPUs. This involves if-ing out lots of GMU callbacks and introducing a new type of GMU - GMU wrapper (it's the actual name that Qualcomm uses in their downstream kernels). This is essentially a register region which is convenient to model as a device. We'll use it for managing the GDSCs. The register layout matches the actual GMU_CX/GX regions on the "real GMU" devices and lets us reuse quite a bit of gmu_read/write/rmw calls. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542766/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Move CX GMU power counter enablement to hw_initKonrad Dybcio2023-06-182-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the introduction of A6xx support, we've been enabling the CX GMU power counter 0 in a bit of a weird spot. Move it to hw_init so that GMU wrapper GPUs can reuse the same code paths. As a bonus, this order makes it easier to compare mainline and downstream register access traces. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542765/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Extend and explain UBWC configKonrad Dybcio2023-06-181-10/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename lower_bit to hbb_lo and explain what it signifies. Add explanations (wherever possible to other tunables). Port setting min_access_length, ubwc_mode and hbb_hi from downstream. Reviewed-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542764/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Remove both GBIF and RBBM GBIF halt on hw initKonrad Dybcio2023-06-181-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we're only deasserting REG_A6XX_RBBM_GBIF_HALT, but we also need REG_A6XX_GBIF_HALT to be set to 0. This is typically done automatically on successful GX collapse, but in case that fails, we should take care of it. Also, add a memory barrier to ensure it's gone through before jumping to further initialization. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542760/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Add a helper for software-resetting the GPUKonrad Dybcio2023-06-183-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce a6xx_gpu_sw_reset() in preparation for adding GMU wrapper GPUs and reuse it in a6xx_gmu_force_off(). This helper, contrary to the original usage in GMU code paths, adds a readback+delay sequence to ensure that the reset is never deasserted too quickly due to e.g. OoO execution going crazy. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542758/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Improve a6xx_bus_clear_pending_transactions()Konrad Dybcio2023-06-181-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Unify the indentation and explain the cryptic 0xF value. Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542756/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Move a6xx_bus_clear_pending_transactions to a6xx_gpuKonrad Dybcio2023-06-183-37/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function is responsible for telling the GPU to halt transactions on all of its relevant buses, drain them and leave them in a predictable state, so that the GPU can be e.g. reset cleanly. Move the function to a6xx_gpu.c, remove the static keyword and add a prototype in a6xx_gpu.h to accomodate for the move. Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542762/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Move force keepalive vote removal to a6xx_gmu_force_off()Konrad Dybcio2023-06-182-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As pointed out by Akhil during the review process of GMU wrapper introduction [1], it makes sense to move this write into the function that's responsible for forcibly shutting the GMU off. It is also very convenient to move this to GMU-specific code, so that it does not have to be guarded by an if-condition to avoid calling it on GMU wrapper targets. Move the write to the aforementioned a6xx_gmu_force_off() to achieve that. No effective functional change. [1] https://lore.kernel.org/linux-arm-msm/20230501194022.GA18382@akhilpo-linux.qualcomm.com/ Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542752/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/a6xx: Remove static keyword from sptprac en/disable functionsKonrad Dybcio2023-06-182-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These two will be reused by at least A619_holi in the non-gmu paths. Turn them non-static them to make it possible. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542751/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/adreno: Use adreno_is_revn for A690Konrad Dybcio2023-06-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | The adreno_is_revn rework came at the same time as A690 introduction and that resulted in it not covering all cases. Fix it. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542754/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | dt-bindings: display/msm/gmu: Add GMU wrapperKonrad Dybcio2023-06-181-12/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "GMU Wrapper" is Qualcomm's name for "let's treat the GPU blocks we'd normally assign to the GMU as if they were a part of the GMU, even though they are not". It's a (good) software representation of the GMU_CX and GMU_GX register spaces within the GPUSS that helps us programatically treat these de-facto GMU-less parts in a way that's very similar to their GMU-equipped cousins, massively saving up on code duplication. The "wrapper" register space was specifically designed to mimic the layout of a real GMU, though it rather obviously does not have the M3 core et al. To sum it all up, the GMU wrapper is essentially a register space within the GPU, which Linux sees as a dumbed-down regular GMU: there's no clocks, interrupts, multiple reg spaces, iommus and OPP. Document it. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542750/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | dt-bindings: display/msm: gpu: Document GMU wrapper-equipped A6xxKonrad Dybcio2023-06-181-9/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "GMU Wrapper" is Qualcomm's name for "let's treat the GPU blocks we'd normally assign to the GMU as if they were a part of the GMU, even though they are not". It's a (good) software representation of the GMU_CX and GMU_GX register spaces within the GPUSS that helps us programatically treat these de-facto GMU-less parts in a way that's very similar to their GMU-equipped cousins, massively saving up on code duplication. The "wrapper" register space was specifically designed to mimic the layout of a real GMU, though it rather obviously does not have the M3 core et al. GMU wrapper-equipped A6xx GPUs require clocks and clock-names to be specified under the GPU node, just like their older cousins. Account for that. Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542748/ Signed-off-by: Rob Clark <robdclark@chromium.org>
| * | drm/msm/dsi: split dsi_ctrl_config() functionDmitry Baryshkov2023-06-161-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It makes no sense to pass NULL parameters to dsi_ctrl_config() in the disable case. Split dsi_ctrl_config() into enable and disable parts and drop unused params. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/542559/ Link: https://lore.kernel.org/r/20230614224402.296825-2-dmitry.baryshkov@linaro.org
| * | drm/msm/dsi: dsi_host: drop unused clocksDmitry Baryshkov2023-06-161-33/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Several source clocks are not used anymore, so stop handling them. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/542558/ Link: https://lore.kernel.org/r/20230614224402.296825-1-dmitry.baryshkov@linaro.org
| * | drm/msm/dpu: remove unused INTF_NONE interfacesDmitry Baryshkov2023-06-163-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sm6115, sm6375 and qcm2290 do not have INTF_0. Drop corresponding interface definitions. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/542180/ Link: https://lore.kernel.org/r/20230613001004.3426676-4-dmitry.baryshkov@linaro.org
| * | drm/msm/dpu: correct MERGE_3D lengthDmitry Baryshkov2023-06-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each MERGE_3D block has just two registers. Correct the block length accordingly. Fixes: 4369c93cf36b ("drm/msm/dpu: initial support for merge3D hardware block") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/542177/ Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Link: https://lore.kernel.org/r/20230613001004.3426676-3-dmitry.baryshkov@linaro.org
| * | drm/msm/dpu: fix sc7280 and sc7180 PINGPONG done interruptsDmitry Baryshkov2023-06-162-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During IRQ conversion we have lost the PP_DONE interrupts for sc7280 platform. This was left unnoticed, because this interrupt is only used for CMD outputs and probably no sc7[12]80 systems use DSI CMD panels. Fixes: 667e9985ee24 ("drm/msm/dpu: replace IRQ lookup with the data in hw catalog") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/542175/ Link: https://lore.kernel.org/r/20230613001004.3426676-2-dmitry.baryshkov@linaro.org
| * | drm/msm/dp: Free resources after unregistering themBjorn Andersson2023-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The DP component's unbind operation walks through the submodules to unregister and clean things up. But if the unbind happens because the DP controller itself is being removed, all the memory for those submodules has just been freed. Change the order of these operations to avoid the many use-after-free that otherwise happens in this code path. Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support") Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/542166/ Link: https://lore.kernel.org/r/20230612220259.1884381-1-quic_bjorande@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dp: Drop aux devices together with DP controllerBjorn Andersson2023-06-151-11/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using devres to depopulate the aux bus made sure that upon a probe deferral the EDP panel device would be destroyed and recreated upon next attempt. But the struct device which the devres is tied to is the DPUs (drm_dev->dev), which may be happen after the DP controller is torn down. Indications of this can be seen in the commonly seen EDID-hexdump full of zeros in the log, or the occasional/rare KASAN fault where the panel's attempt to read the EDID information causes a use after free on DP resources. It's tempting to move the devres to the DP controller's struct device, but the resources used by the device(s) on the aux bus are explicitly torn down in the error path. The KASAN-reported use-after-free also remains, as the DP aux "module" explicitly frees its devres-allocated memory in this code path. As such, explicitly depopulate the aux bus in the error path, and in the component unbind path, to avoid these issues. Fixes: 2b57f726611e ("drm/msm/dp: fix aux-bus EP lifetime") Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/542163/ Link: https://lore.kernel.org/r/20230612220106.1884039-1-quic_bjorande@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm: provide fb_dirty implemenationDmitry Baryshkov2023-06-151-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 93e81e38e197 ("drm/fb_helper: Minimize damage-helper overhead") the drm_fb_helper_funcs::fb_dirty helper is required for proper dirty/damage processing. The drm/msm driver requires that to function to let CMD panels to work. Use simplified version of drm_fbdev_generic_helper_fb_dirty() to fix support for CMD mode panels. Reported-by: Degdag Mohamed <degdagmohamed@gmail.com> Fixes: 93e81e38e197 ("drm/fb_helper: Minimize damage-helper overhead") Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/542002/ Link: https://lore.kernel.org/r/20230612031616.3620134-1-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dsi: Remove incorrect references to slice_countJessica Zhang2023-06-151-10/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, slice_count is being used to calculate word count and pkt_per_line. Instead, these values should be calculated using slice per packet, which is not the same as slice_count. Slice count represents the number of slices per interface, and its value will not always match that of slice per packet. For example, it is possible to have cases where there are multiple slices per interface but the panel specifies only one slice per packet. Thus, use the default value of one slice per packet and remove slice_count from the aforementioned calculations. Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration") Fixes: bc6b6ff8135c ("drm/msm/dsi: Use DSC slice(s) packet size to compute word count") Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/541965/ Link: https://lore.kernel.org/r/20230405-add-dsc-support-v6-5-95eab864d1b6@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: Set DATA_COMPRESS on command mode for DCE/DSC 1.2Jessica Zhang2023-06-153-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a DPU INTF op to set the DCE_DATA_COMPRESS bit to enable the DCE/DSC 1.2 datapath Note: For now, this op is called for command mode encoders only. Changes to set DATA_COMPRESS for video mode encoders will be posted along with DSC v1.2 support for DP. Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/541966/ Link: https://lore.kernel.org/r/20230405-add-dsc-support-v6-4-95eab864d1b6@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: Add DPU_INTF_DATA_COMPRESS feature flag for DPU >= 7.0Jessica Zhang2023-06-152-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In DPU 7.x and later, DSC/DCE enablement registers have been moved from PINGPONG to INTF. Thus, add a DPU_INTF_DATA_COMPRESS feature flag that will be set if the DATA_COMPRESS register is in the INTF block. Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/541967/ Link: https://lore.kernel.org/r/20230405-add-dsc-support-v6-3-95eab864d1b6@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dsi: Reduce pclk rate for compressionJessica Zhang2023-06-151-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adjust the pclk rate to divide hdisplay by the compression ratio when DSC is enabled. Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/541972/ Link: https://lore.kernel.org/r/20230405-add-dsc-support-v6-2-95eab864d1b6@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | msm/drm/dsi: Round up DSC hdisplay calculationJessica Zhang2023-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, when compression is enabled, hdisplay is reduced via integer division. This causes issues for modes where the original hdisplay is not a multiple of 3. To fix this, use DIV_ROUND_UP to divide hdisplay. Suggested-by: Marijn Suijten <marijn.suijten@somainline.org> Fixes: 08802f515c3cf ("drm/msm/dsi: Add support for DSC configuration") Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/541970/ Link: https://lore.kernel.org/r/20230405-add-dsc-support-v6-1-95eab864d1b6@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: add DSC 1.2 hw blocks for relevant chipsetsAbhinav Kumar2023-06-156-1/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add DSC 1.2 hardware blocks to the catalog with necessary sub-block and feature flag information. Each display compression engine (DCE) contains dual DSC encoders so both share same base address but with its own different sub block address. changes in v4: -- delete DPU_DSC_HW_REV_1_1 -- re arrange sc8280xp_dsc[] changes in v4: -- fix checkpatch warning changes in v10: -- remove hard slice from commit text -- replace DPU_DSC_NATIVE_422_EN with DPU_DSC_NATIVE_42x_EN -- change DSC_BLK_1_2 .len from 0x100 to 0x29c changes in v11: -- remove comment at DSC_BLK_1_2 marco Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/539507/ Link: https://lore.kernel.org/r/1685036458-22683-10-git-send-email-quic_khsieh@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: add support for DSC encoder v1.2 engineKuogee Hsieh2023-06-155-4/+436
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for DSC 1.2 by providing the necessary hooks to program the DPU DSC 1.2 encoder. Changes in v3: -- fixed kernel test rebot report that "__iomem *off" is declared but not used at dpu_hw_dsc_config_1_2() -- unrolling thresh loops Changes in v4: -- delete DPU_DSC_HW_REV_1_1 -- delete off and used real register name directly Changes in v7: -- replace offset with sblk->enc.base -- replace ss with slice Changes in v8: -- fixed checkpatch warning Changes in v9: -- replaced __dsc_calc_ob_max_addr() with __dsc_calc_output_buf_max_addr() -- replaced variable num_ss with num_softslice -- remove inline from function declaration changes in v10: -- rewording text of changes in v9 -- replace DPU_DSC_NATIVE_422_EN with DPU_DSC_NATIVE_42x_EN -- replace drm_dsc_calculate_flatness_det_thresh() with drm_dsc_flatness_det_thresh() Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/539500/ Link: https://lore.kernel.org/r/1685036458-22683-7-git-send-email-quic_khsieh@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dsi: update hdisplay calculation for dsi_timing_setupJessica Zhang2023-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, hdisplay is being divided by 3 for DSC. However, this calculation only works for cases where BPP = 8. Update hdisplay calculation to be bytes_per_line / 3, so that it accounts for cases where BPP != 8. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539271/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-9-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dsi: Use MSM and DRM DSC helper methodsJessica Zhang2023-06-151-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use MSM and DRM DSC helper methods to configure DSC for DSI. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539274/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-8-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: Fix slice_last_group_size calculationJessica Zhang2023-06-151-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Correct the math for slice_last_group_size so that it matches the calculations downstream. Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539269/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-7-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dpu: Use fixed DRM DSC helper for det_thresh_flatnessJessica Zhang2023-06-151-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current dpu_hw_dsc calculation for det_thresh_flatness does not match the downstream calculation or the DSC spec. Use the DRM DSC helper for det_thresh_flatness to match downstream implementation and the DSC spec. Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539275/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-6-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm: Add MSM-specific DSC helper methodsJessica Zhang2023-06-151-0/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce MSM-specific DSC helper methods, as some calculations are common between DP and DSC. Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539272/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-5-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/msm/dsi: use DRM DSC helpers for DSC setupDmitry Baryshkov2023-06-151-53/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use new DRM DSC helpers to setup DSI DSC configuration. The initial_scale_value needs to be adjusted according to the standard, but this is a separate change. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539276/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-4-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| * | drm/display/dsc: Add drm_dsc_get_bpp_int helperJessica Zhang2023-06-152-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add helper to get the integer value of drm_dsc_config.bits_per_pixel Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/539268/ Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-3-bafc7be95691@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-03 03:22:03 +0100