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2026-01-21drm/msm/dpu: Refactor SSPP to compatible DPU 13.0.0Yuanjie Yang
DPU version 13.0.0 introduces structural changes including register additions, removals, and relocations. Refactor SSPP-related code to be compatible with DPU 13.0.0 modifications. Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/698710/ Link: https://lore.kernel.org/r/20260115092749.533-10-yuanjie.yang@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-21drm/msm/dpu: Add interrupt registers for DPU 13.0.0Yuanjie Yang
DPU version 13.0.0 introduces changes to the interrupt register layout. Update the driver to support these modifications for proper interrupt handling. Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/698708/ Link: https://lore.kernel.org/r/20260115092749.533-9-yuanjie.yang@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-21drm/msm/dsi: Add support for KaanapaliYuanjie Yang
Add DSI Controller version 2.10.0 support for DSI on Qualcomm Kaanapali SoC. Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/698707/ Link: https://lore.kernel.org/r/20260115092749.533-8-yuanjie.yang@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-21drm/msm/dsi/phy: Add support for KaanapaliYuanjie Yang
Add DSI PHY support for the Kaanapali platform, Kaanapali introduce addition of DSI2/DSI2_phy compared to SM8650. However, based on the HPG diagram, only DSI0_phy and DSI1_phy works. Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/698705/ Link: https://lore.kernel.org/r/20260115092749.533-7-yuanjie.yang@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-21drm/msm/mdss: Add support for KaanapaliYuanjie Yang
Add mdss support for the Qualcomm Kaanapali platform. Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/698703/ Link: https://lore.kernel.org/r/20260115092749.533-6-yuanjie.yang@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-21drm/msm/dpu: fix SSPP_UBWC_STATIC_CTRL programming on UBWC 5.x+Dmitry Baryshkov
Code in dpu_hw_sspp_setup_format() doesn't handle UBWC versions bigger than 4.0. Replace switch-case with if-else checks, making sure that the register is initialized on UBWC 5.x (and later) hosts. Fixes: c2577fc1740d ("drm/msm/dpu: Add support for SM8750") Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455 Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/699280/ Link: https://lore.kernel.org/r/20260119-msm-ubwc-fixes-v4-4-0987acc0427f@oss.qualcomm.com
2026-01-21drm/msm/dpu: program correct register for UBWC config on DPU 8.x+Dmitry Baryshkov
Since DPU 8.0 there is a separate register for the second rectangle, which needs to be programmed with the UBWC config if multirect is being used. Write pipe's UBWC configuration to the correct register. Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450") Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455 Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/699277/ Link: https://lore.kernel.org/r/20260119-msm-ubwc-fixes-v4-3-0987acc0427f@oss.qualcomm.com
2026-01-21drm/msm/dpu: offset HBB values written to DPU by -13Dmitry Baryshkov
As in all other places, the Highest Bank Bit value should be programmed into the hardware with the offset of -13. Correct the value written into the register to prevent unpredictable results. Fixes: 227d4ce0b09e ("drm/msm: Offset MDSS HBB value by 13") Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455 Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/699276/ Link: https://lore.kernel.org/r/20260119-msm-ubwc-fixes-v4-2-0987acc0427f@oss.qualcomm.com
2026-01-21drm/msm/mdss: correct HBB programmed on UBWC 5.x and 6.x devicesDmitry Baryshkov
As in the previous generations, on UBWC 5.x and 6.x devices the Highest Bank Bit value should be programmed into the hardware with the offset of -13. Correct the value written into the register to prevent unpredictable results. Fixes: 227d4ce0b09e ("drm/msm: Offset MDSS HBB value by 13") Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455 Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/699274/ Link: https://lore.kernel.org/r/20260119-msm-ubwc-fixes-v4-1-0987acc0427f@oss.qualcomm.com
2026-01-20docs: kdoc: move kernel-doc to tools/docsJonathan Corbet
kernel-doc is the last documentation-related tool still living outside of the tools/docs directory; the time has come to move it over. [mchehab: fixed kdoc lib location] Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <311d17e403524349940a8b12de6b5e91e554b1f4.1768823489.git.mchehab+huawei@kernel.org>
2026-01-20drm/amd/pm: Fix unneeded semicolon warningLijo Lazar
Fix the warning reported. drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c:909:3-4: Unneeded semicolon Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202601182157.r1AfndME-lkp@intel.com/ Fixes: b480f573a8ab ("drm/amd/pm: Use gpu metrics 1.9 for SMUv13.0.12") Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/radeon: convert VCE logging to drm_* helpersMukesh Ogare
Replace legacy DRM_INFO() logging in the VCE code with drm_info() helper that takes a struct drm_device. This provides proper device context in dmesg on multi-GPU systems and aligns the radeon driver with current DRM logging practices. Note that this change logs firmware version information at info level and does not indicate a failure. Signed-off-by: Mukesh Ogare <mukeshogare871@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Only poll analog connectorsTimur Kristóf
Analog connectors may be hot-plugged unlike other connector types that don't support HPD. Stop DRM from polling other connector types that don't support HPD, such as eDP, LVDS, etc. These were wrongly polled when analog connector support was added, causing issues with the seamless boot process. Fixes: c4f3f114e73c ("drm/amd/display: Poll analog connectors (v3)") Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reported-by: Matthew Schwartz <matthew.schwartz@linux.dev> Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: fix misspelling of "minimum" in dc_dsc.cRunrun Liu
Fix the typo "miniumum" → "minimum" in a comment in dc_dsc.c. This typo is already listed in scripts/spelling.txt by commit 8c3200265787 ("scripts/spelling.txt: add several more common spelling mistakes"). Suggested-by: Cryolitia PukNgae <cryolitia@uniontech.com> Signed-off-by: Runrun Liu <liurunrun@uniontech.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Promote DC to 3.2.366Taimur Hassan
This version brings along the following updates: - Update memory QoS measurement interface. - Panel inst for monitors. - Disable FEC when powering down encoders. - Detect panel type from VSDB. - Check NULL before accessing a variable. - Initialize a default to phyd32clk. - Revert "init dispclk from bootup clock". - Add IPS residency info to debugfs. - Ensure link output is disabled in backend reset for PLL_ON. - Remove unused code. - Add DMU crash recovery callback to DM. - Remove coverity comments. Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu: add new job idsAlex Deucher
Use this for gfx, sdma, vpe IB tests and kernel shaders. The end goal it to get rid of the direct IB submit without a job structure. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu: fix error handling in ib_schedule()Alex Deucher
If fence emit fails, free the fence if necessary. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Remove coverity comments and fix spacesAlex Hung
[WHAT] Coverity annotation is useless and thus is removed along with other fixes for spacing errors. Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Matthew Stewart <Matthew.Stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Add DMU crash recovery callback to DMNicholas Kazlauskas
[Why] To improve reliability of the system in the case of infrequent or potentially recoverable hangs when the DMU times out. [How] Attempt to recover the ASIC when DMU hangs by triggering a crash recovery callback for the DM to forward to the base driver. Reviewed-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Remove unused codeCharlene Liu
[why] two sets of dccg_init: one in dc/dccg, one in dc/hwss. remove hwss's dccg_init for asics not use it. Reviewed-by: Chris Park <chris.park@amd.com> Reviewed-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Charlene Liu <Charlene.Liu@amd.com> Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Ensure link output is disabled in backend reset for PLL_ONNicholas Kazlauskas
[Why] We're missing the code to actually disable the link output when we have to leave the SYMCLK_ON but the TX remains OFF. [How] Port the code from DCN401 that detects SYMCLK_ON_TX_OFF and disable the link output when the backend is reset. Reviewed-by: Ovidiu (Ovi) Bunea <ovidiu.bunea@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Add IPS residency info to debugfsRay Wu
[Why] For debugging and testing purpose [How] Usage: - echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl - echo 0 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl - cat /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency Reviewed-by: ChiaHsuan (Tom) Chung <chiahsuan.chung@amd.com> Signed-off-by: Ray Wu <ray.wu@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Revert "init dispclk from bootup clock for DCN315"Wang, Sung-huai
[Why&How] This reverts commit 14bb17cc37e0. Due to the change, the display shows garbage on startup. We have an alternative solution for the original issue: d24203bb629f ("drm/amd/display: Re-check seamless boot can be enabled or not") Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Wang, Sung-huai <Danny.Wang@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Revert "init dispclk from bootup clock for DCN314"Wang, Sung-huai
[Why&How] This reverts commit f082daf08f2f. Due to the change, the display shows garbage on startup. We have an alternative solution for the original issue: d24203bb629f ("drm/amd/display: Re-check seamless boot can be enabled or not") Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Wang, Sung-huai <Danny.Wang@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Initialize a default to phyd32clkAlex Hung
[WHAT] phyd32clk may not be assigned before used. Give it a value based on the default from get_phyd32clk_src(). This is reported as an UNINIT error by Coverity. Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Check NULL before accessing a variableAlex Hung
[WHAT] Check NULL before accessing link, not after. This is reported as a REVERSE_INULL error by Coverity. Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Detect panel type from VSDBMario Limonciello (AMD)
[Why] The AMD VSDB contains two bits that indicate the type of panel connected. This can be useful for policy decisions based upon panel technology. [How] Read the bits for the panel type when parsing VSDB and store them in the dc_link. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Disable FEC when powering down encodersOvidiu Bunea
[why & how] VBIOS DMCUB FW can enable FEC for capable eDPs, but S/W DC state is only updated for link0 when transitioning into OS with driver loaded. This causes issues when the eDP is immediately hidden and DIG0 is assigned to another link that does not support FEC. Driver will attempt to disable FEC but FEC enablement occurs based on the link state, which does not have fec_state updated since it is a different link. Thus, FEC disablement on DIG0 will get skipped and cause no light up. Reviewed-by: Karen Chen <karen.chen@amd.com> Signed-off-by: Ovidiu Bunea <ovidiu.bunea@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: panel inst for monitorsPeichen Huang
[WHY] To find proper panel replay panel inst for external monitors. [HOW] Use otg index as panel replay panel inst. Both Replay features use the same logic to get panel inst. Correct the bug that would overwrite panel inst in cmd Reviewed-by: Robin Chen <robin.chen@amd.com> Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: update memory QoS measurement interfaceWenjing Liu
[how] - Consolidate memory QoS measurement functions into a single interface for better maintainability and usability. - Update function naming for improved clarity. - Unify latency measurements into a single function call with update programming sequence. - Add `start_measuring_urgent_assertion_count` and `get_urgent_assertion_count` interfaces. - Add `start_measuring_prefetch_data_size` and `get_prefetch_data_size` interfaces. - Update start_measuring_unbounded_bandwidth implementation to measure 200 data returns in the middle of prefetch window. Reviewed-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/display: Clear HDMI HPD pending work only if it is enabledIvan Lipski
[Why&How] On amdgpu_dm_connector_destroy(), the driver attempts to cancel pending HDMI HPD work without checking if the HDMI HPD is enabled. Added a check that it is enabled before clearing it. Fixes: 6a681cd90345 ("drm/amd/display: Add an hdmi_hpd_debounce_delay_ms module") Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu/jpeg4.0.3: remove redundant sr-iov checkAlex Deucher
The per queue reset flag is only set when sr-iov is disabled so this check is not necessary as the function will never be called on sr-iov. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdkfd: fix gfx11 restrictions on debugging cooperative launchJonathan Kim
Restrictions on debugging cooperative launch for GFX11 devices should align to CWSR work around requirements. i.e. devices without the need for the work around should not be subject to such restrictions. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: James Zhu <james.zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu: Improve IP discovery checksum failure loggingPerry Yuan
Enhance the error logging in amdgpu_discovery_verify_checksum() to print the calculated checksum, the expected checksum, the data size. This extra context helps quickly identify if the issue is a data corruption, a partially read binary, or an invalid table header without requiring additional instrumentation. Signed-off-by: Perry Yuan <perry.yuan@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu: free hw_vm_fence when fail in amdgpu_job_allocJiqian Chen
If drm_sched_job_init fails, hw_vm_fence is not freed currently, then cause memory leak. Fixes: db36632ea51e ("drm/amdgpu: clean up and unify hw fence handling") Link: https://lore.kernel.org/amd-gfx/a5a828cb-0e4a-41f0-94c3-df31e5ddad52@amd.com/T/#t Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com> Reviewed-by: Amos Kong <kongjianjun@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amd/amdgpu: Add independent hang detect work for user queue fenceJesse.Zhang
In error scenarios (e.g., malformed commands), user queue fences may never be signaled, causing processes to wait indefinitely. To address this while preserving the requirement of infinite fence waits, implement an independent timeout detection mechanism: 1. Initialize a hang detect work when creating a user queue (one-time setup) 2. Start the work with queue-type-specific timeout (gfx/compute/sdma) when the last fence is created via amdgpu_userq_signal_ioctl (per-fence timing) 3. Trigger queue reset logic if the timer expires before the fence is signaled v2: make timeout per queue type (adev->gfx_timeout vs adev->compute_timeout vs adev->sdma_timeout) to be consistent with kernel queues. (Alex) v3: The timeout detection must be independent from the fence, e.g. you don't wait for a timeout on the fence but rather have the timeout start as soon as the fence is initialized. (Christian) v4: replace the timer with the `hang_detect_work` delayed work. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jesse Zhang <jesse.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdgpu: remove frame cntl for gfx v12Likun Gao
Remove emit_frame_cntl function for gfx v12, which is not support. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdkfd: Move gfx9.4.3 and gfx 9.5 MQD to HBMPhilip Yang
To reduce queue switch latency further, move MQD to VRAM domain, CP access MQD and control stack via FB aperture, this requires contiguous pages. After MQD is initialized, updated or restored, flush HDP to guarantee the data is written to HBM and GPU cache is invalidated, then CP will read the new MQD. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21Merge tag 'v6.19-rc1' into msm-nextDmitry Baryshkov
Merge Linux 6.19-rc1 in order to catch up with other changes (e.g. UBWC config database defining UBWC_6). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-01-20drm/bridge: synopsys: dw-dp: fix error paths of dw_dp_bindOsama Abdelkader
Fix several issues in dw_dp_bind() error handling: 1. Missing return after drm_bridge_attach() failure - the function continued execution instead of returning an error. 2. Resource leak: drm_dp_aux_register() is not a devm function, so drm_dp_aux_unregister() must be called on all error paths after aux registration succeeds. This affects errors from: - drm_bridge_attach() - phy_init() - devm_add_action_or_reset() - platform_get_irq() - devm_request_threaded_irq() 3. Bug fix: platform_get_irq() returns the IRQ number or a negative error code, but the error path was returning ERR_PTR(ret) instead of ERR_PTR(dp->irq). Use a goto label for cleanup to ensure consistent error handling. Fixes: 86eecc3a9c2e ("drm/bridge: synopsys: Add DW DPTX Controller support library") Cc: stable@vger.kernel.org Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com> Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Link: https://patch.msgid.link/20260102155553.13243-1-osama.abdelkader@gmail.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: samsung-dsim: samsung_dsim_host_attach: convert to ↵Luca Ceresoli
of_drm_find_and_get_bridge() of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done. Also switch to the drm_bridge::next_bridge pointer. This needs to handle both cases: when of_drm_find_panel() succeeds and when it fails. In the 'else' case (i.e. when of_drm_find_panel() fails), just switch to of_drm_find_and_get_bridge() to ensure the bridge is not freed while in use in the function tail, when it is stored in dsi->bridge.next_bridge. In the 'then' case (i.e. when of_drm_find_panel() succeeds), devm_drm_panel_bridge_add() already increments the refcount using devres which ties the bridge allocation lifetime to the device lifetime, so we would not need to do anything. However to have the same behaviour in both branches take an additional reference here, so that the bridge needs to be put whichever branch is taken without more complicated logic. Ensure to clear the bridge pointer however, to avoid calling drm_bridge_put() on an ERR_PTR. Acked-by: Maxime Ripard <mripard@kernel.org> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-12-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: samsung-dsim: samsung_dsim_host_attach: don't use the bridge ↵Luca Ceresoli
pointer as an error indicator In preparation to handle refcounting of the out_bridge, we need to ensure the out_bridge pointer contains either a valid bridge pointer or NULL, not an ERR_PTR. Otherwise calls such as drm_bridge_get/put() would try to redeference an ERR_PTR. Stop using IS_ERR(next_bridge) as an indication of an error, and instead use the 'ret' integer. No functional change. Acked-by: Maxime Ripard <mripard@kernel.org> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-11-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: samsung-dsim: samsung_dsim_host_attach: use a temporary variable ↵Luca Ceresoli
for the next bridge In preparation to handle refcounting of the out_bridge, we need to ensure the out_bridge pointer contains either a valid bridge pointer or NULL, not an ERR_PTR. Otherwise calls such as drm_bridge_get/put() would try to redeference an ERR_PTR. As a preliminary cleanup, add a temporary local 'next_bridge' pointer and only copy it in dsi->out_bridge as late as possible, i.e. just before calling pdata->host_ops->attach() which uses it (only in the exynos driver). Not strictly needed, but for symmetry move the clearing of dsi->out_bridge in samsung_dsim_host_detach() to after pdata->host_ops->detach(). Acked-by: Maxime Ripard <mripard@kernel.org> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-10-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: imx8qxp-ldb: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done. Since the companion bridge pointer is used by many bridge funcs, putting its reference in the remove function would be dangerous. Use .destroy to put it on final deallocation. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-9-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: imx8mp-hdmi-pvi: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-8-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: lt8912b: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-7-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: tpd12s015: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-6-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: tfp410: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-5-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: thc63lvd1024: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-4-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-01-20drm/bridge: sii902x: convert to of_drm_find_and_get_bridge()Luca Ceresoli
of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-3-8bad3ef90b9f@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
generated by cgit v1.2.3 (git 2.0.4) at 2026-04-07 19:29:03 +0000