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f94de432646ebec7857ba2624fe082e779b52572
linux/drivers/gpu/drm/i915
History
Joonas Lahtinen d21ad93839 drm/i915/gem: Fix phys BO pread/pwrite with offset 
sg_page() returns struct page pointer not (void *) so the scaling
of pread/pwrite is wrong for phys BO and wrong parts of BO would be
accessed if non-zero offset is used.

Last impacted platform with overlay or cursor planes using phys
mapping was Gen3/945G/Lakeport.

Reported-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Fixes: c6790dc223 ("drm/i915: Wean off drm_pci_alloc/drm_pci_free")
Cc: <stable@vger.kernel.org> # v4.5+
Cc: Tvrtko Ursulin <tursulin@ursulin.net>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://patch.msgid.link/20260610060314.26111-1-joonas.lahtinen@linux.intel.com
(cherry picked from commit 3e49a2f85070b2fb672c1e0fdba281a4ea3aebe6)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
2026-06-10 09:23:22 +01:00
..
display
drm/i915/edp: Check supported link rates DPCD read
2026-06-09 07:55:19 +01:00
gem
drm/i915/gem: Fix phys BO pread/pwrite with offset
2026-06-10 09:23:22 +01:00
gt
drm/i915: skip __i915_request_skip() for already signaled requests
2026-05-12 08:05:21 +01:00
gvt
drm/i915/gvt: Swap read and write checks
2026-03-17 11:27:14 +02:00
pxp
drm/i915: replace use of system_unbound_wq with system_dfl_wq
2026-03-05 13:58:22 -05:00
selftests
Merge tag 'drm-intel-next-2026-03-30' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2026-03-31 16:38:50 +10:00
.gitignore
…
i915_active_types.h
…
i915_active.c
Merge tag 'drm-intel-next-2026-03-16' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2026-03-17 15:44:26 +10:00
i915_active.h
drm/i915: Remove deadcode
2024-12-30 01:31:31 +01:00
i915_bo.c
drm/{i915,xe}: move framebuffer bo to parent interface
2026-03-16 11:00:21 +02:00
i915_bo.h
drm/{i915, xe}/bo: move display bo calls to parent interface
2026-03-16 11:00:21 +02:00
i915_cmd_parser.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
i915_cmd_parser.h
…
i915_config.c
drm/i915: drop i915 param from i915_fence{, _context}_timeout()
2025-12-30 21:41:15 +02:00
i915_config.h
drm/i915: drop i915 param from i915_fence{, _context}_timeout()
2025-12-30 21:41:15 +02:00
i915_debugfs_params.c
drm/i915: use drm->debugfs_root for creating debugfs files
2025-08-07 11:30:26 +03:00
i915_debugfs_params.h
…
i915_debugfs.c
drm/i915: Remove i915_reg.h from i9xx_wm.c
2026-02-12 15:30:50 +05:30
i915_debugfs.h
…
i915_deps.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
i915_deps.h
…
i915_display_pc8.c
drm/i915/pc8: Add parent interface for PC8 forcewake tricks
2025-12-19 21:28:48 +02:00
i915_display_pc8.h
drm/i915/pc8: Add parent interface for PC8 forcewake tricks
2025-12-19 21:28:48 +02:00
i915_dpt.c
drm/i915/dpt: pass opaque struct intel_dpt around instead of i915_address_space
2026-02-26 23:28:57 +02:00
i915_dpt.h
drm/i915/dpt: pass opaque struct intel_dpt around instead of i915_address_space
2026-02-26 23:28:57 +02:00
i915_driver.c
drm/i915/display: enable ccs modifiers on dg2
2026-05-05 08:12:37 +01:00
i915_driver.h
drm/{i915, xe}/display: pass parent interface to display probe
2025-11-03 11:55:19 +02:00
i915_drm_client.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
i915_drm_client.h
drm/i915: remove i915_drm_client::id
2024-02-19 15:35:23 -05:00
i915_drv.h
drm/i915: replace use of system_wq with system_percpu_wq in the documentation
2026-03-05 13:58:22 -05:00
i915_dsb_buffer.c
Merge drm/drm-next into drm-intel-next
2026-02-25 13:23:04 +02:00
i915_dsb_buffer.h
drm/{i915, xe}/dsb: move DSB buffer to parent interface
2026-01-26 11:56:41 +02:00
i915_edram.c
drm/i915/edram: extract i915_edram.[ch] for edram detection
2025-11-21 12:11:14 +02:00
i915_edram.h
drm/i915/edram: extract i915_edram.[ch] for edram detection
2025-11-21 12:11:14 +02:00
i915_file_private.h
…
i915_freq.c
drm/i915: split out i915_freq.[ch]
2025-11-21 12:11:49 +02:00
i915_freq.h
drm/i915: split out i915_freq.[ch]
2025-11-21 12:11:49 +02:00
i915_gem_evict.c
…
i915_gem_evict.h
…
i915_gem_gtt.c
drm/i915: Fixed an typo in i915_gem_gtt.c
2024-11-25 10:59:00 -05:00
i915_gem_gtt.h
…
i915_gem_ww.c
…
i915_gem_ww.h
…
i915_gem.c
Merge tag 'drm-next-2026-04-15' of https://gitlab.freedesktop.org/drm/kernel
2026-04-15 08:45:00 -07:00
i915_gem.h
drm/i915: move GEM_QUIRK_PIN_SWIZZLED_PAGES to i915_gem.h
2025-06-27 08:15:32 +02:00
i915_getparam.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_getparam.h
…
i915_gmch.c
drm/i915/gmch: split out i915_gmch.[ch] from soc
2025-11-21 12:12:32 +02:00
i915_gmch.h
drm/i915/gmch: split out i915_gmch.[ch] from soc
2025-11-21 12:12:32 +02:00
i915_gpu_error.c
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
i915_gpu_error.h
drm/i915: move GEN7_ERR_INT snapshot to display irq code
2026-01-23 11:14:11 +02:00
i915_gtt_view_types.h
drm/i915: split out i915_gtt_view_types.h from i915_vma_types.h
2025-03-03 13:44:53 +02:00
i915_hdcp_gsc.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
i915_hdcp_gsc.h
drm/{i915,xe}/hdcp: use parent interface for HDCP GSC calls
2025-11-28 10:44:51 +02:00
i915_hwmon.c
Merge drm/drm-next into drm-intel-next
2026-02-25 13:23:04 +02:00
i915_hwmon.h
…
i915_initial_plane.c
drm/i915/fbdev: fix link failure without FBDEV emulation
2026-03-18 13:23:27 +02:00
i915_initial_plane.h
drm/{i915, xe}: move initial plane calls to parent interface
2025-12-22 15:09:22 +02:00
i915_ioc32.c
…
i915_ioc32.h
…
i915_ioctl.c
…
i915_ioctl.h
…
i915_iosf_mbi.h
x86/platform/iosf_mbi: Remove unused iosf_mbi_unregister_pmic_bus_access_notifier()
2025-04-01 20:31:39 +02:00
i915_irq.c
drm/i915: Remove i915_reg.h from intel_overlay.c
2026-02-12 15:30:48 +05:30
i915_irq.h
drm/{i915,xe}/display: move irq calls to parent interface
2025-11-19 19:33:43 +02:00
i915_jiffies.h
drm/i915: split out separate files for jiffies timeout and wait helpers
2025-10-31 13:08:48 +02:00
i915_list_util.h
drm/i915: split out i915_list_util.h
2025-09-12 11:08:45 +03:00
i915_memcpy.c
drm/i915: Add includes for BUG_ON/BUILD_BUG_ON in i915_memcpy.c
2024-03-28 10:42:46 -04:00
i915_memcpy.h
…
i915_mitigations.c
…
i915_mitigations.h
…
i915_mm.c
mm: rename zap_vma_ptes() to zap_special_vma_range()
2026-04-05 13:53:15 -07:00
i915_mm.h
drm/i915/gem: Calculate object page offset for partial memory mapping
2024-08-21 15:28:33 +02:00
i915_mmio_range.c
drm/i915: move and rename reg_in_range_table
2025-10-16 15:20:56 -04:00
i915_mmio_range.h
drm/i915: move and rename reg_in_range_table
2025-10-16 15:20:56 -04:00
i915_module.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_overlay.c
drm/i915/overlay: convert from struct intel_frontbuffer to i915_frontbuffer
2026-03-11 11:32:10 +02:00
i915_overlay.h
drm/i915/overlay: Convert overlay to parent interface
2026-02-27 10:41:35 +02:00
i915_panic.c
drm/{i915, xe}/panic: move panic handling to parent interface
2025-12-12 15:17:58 +02:00
i915_panic.h
drm/{i915, xe}/panic: move panic handling to parent interface
2025-12-12 15:17:58 +02:00
i915_params.c
drm/i915: switch to use kernel standard error injection
2025-12-18 11:59:20 +02:00
i915_params.h
drm/i915: switch to use kernel standard error injection
2025-12-18 11:59:20 +02:00
i915_pci.c
drm/i915: switch to use kernel standard error injection
2025-12-18 11:59:20 +02:00
i915_pci.h
…
i915_perf_oa_regs.h
…
i915_perf_types.h
drm/i915: remove i915_perf_stream::size_exponent
2024-02-19 15:35:30 -05:00
i915_perf.c
drm/i915/perf: prefer REG_MASKED_FIELD_ENABLE() and REG_MASKED_FIELD_DISABLE()
2026-03-04 13:04:25 +02:00
i915_perf.h
…
i915_pmu.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
i915_pmu.h
Merge tag 'drm-intel-gt-next-2025-02-26' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-13 07:54:41 +10:00
i915_priolist_types.h
…
i915_ptr_util.h
drm/i915: split out i915_ptr_util.h
2025-09-12 11:08:45 +03:00
i915_pvinfo.h
…
i915_query.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_query.h
…
i915_reg_defs.h
drm/intel: add pick.h for the various "picker" helpers
2026-03-04 13:04:29 +02:00
i915_reg.h
drm/i915/overlay: Move i915 specific code into i915_overlay.c
2026-02-27 10:41:35 +02:00
i915_request.c
drm/i915: drop i915 param from i915_fence{, _context}_timeout()
2025-12-30 21:41:15 +02:00
i915_request.h
drm/i915: split out i915_ptr_util.h
2025-09-12 11:08:45 +03:00
i915_scatterlist.c
Merge drm/drm-next into drm-misc-next
2026-02-23 11:48:20 +01:00
i915_scatterlist.h
…
i915_scheduler_types.h
…
i915_scheduler.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
i915_scheduler.h
…
i915_selftest.h
kernel.h: drop STACK_MAGIC macro
2026-01-31 16:16:04 -08:00
i915_sw_fence_work.c
drm/i915: replace use of system_unbound_wq with system_dfl_wq
2026-03-05 13:58:22 -05:00
i915_sw_fence_work.h
…
i915_sw_fence.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
i915_sw_fence.h
…
i915_switcheroo.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_switcheroo.h
…
i915_syncmap.c
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
i915_syncmap.h
…
i915_sysfs.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_sysfs.h
…
i915_tasklet.h
…
i915_timer_util.c
drm/i915: split out i915_timer_util.[ch]
2025-09-12 11:08:45 +03:00
i915_timer_util.h
drm/i915: split out i915_timer_util.[ch]
2025-09-12 11:08:45 +03:00
i915_trace_points.c
…
i915_trace.h
drm/i915: extract intel_uncore_trace.[ch]
2024-12-16 18:09:31 +02:00
i915_ttm_buddy_manager.c
Merge drm/drm-next into drm-misc-next
2026-02-23 11:48:20 +01:00
i915_ttm_buddy_manager.h
gpu: Move DRM buddy allocator one level up (part two)
2026-02-06 11:38:35 +10:00
i915_user_extensions.c
…
i915_user_extensions.h
…
i915_utils.c
drm/i915: switch to use kernel standard error injection
2025-12-18 11:59:20 +02:00
i915_utils.h
drm/i915/utils: drop unnecessary ifdefs
2025-12-30 21:41:17 +02:00
i915_vgpu.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
i915_vgpu.h
…
i915_vma_resource.c
drm/i915: replace use of system_unbound_wq with system_dfl_wq
2026-03-05 13:58:22 -05:00
i915_vma_resource.h
…
i915_vma_types.h
drm/i915: split out i915_gtt_view_types.h from i915_vma_types.h
2025-03-03 13:44:53 +02:00
i915_vma.c
drm/i915: add VMA to parent interface
2026-03-03 16:05:58 +02:00
i915_vma.h
drm/i915: add VMA to parent interface
2026-03-03 16:05:58 +02:00
i915_wait_util.h
drm/i915: Order OP vs. timeout correctly in __wait_for()
2026-03-23 09:06:40 +02:00
intel_clock_gating.c
drm/i915: move CNP clock gating init into intel_pch
2026-03-25 07:57:11 +02:00
intel_clock_gating.h
drm/i915: use struct drm_device for clock gating funcs
2025-11-25 16:32:10 +02:00
intel_cpu_info.c
drm/i915: Introduce intel_cpu_info.c for CPU IDs
2024-12-11 23:45:09 +01:00
intel_cpu_info.h
drm/i915: Introduce intel_cpu_info.c for CPU IDs
2024-12-11 23:45:09 +01:00
intel_device_info.c
drm/i915/dg2: Introduce DG2_D subplatform
2024-12-11 23:45:08 +01:00
intel_device_info.h
drm/i915/dg2: Introduce DG2_D subplatform
2024-12-11 23:45:08 +01:00
intel_gvt_mmio_table.c
drm/i915: Remove i915_reg.h from intel_display_irq.c
2026-02-12 16:13:14 +05:30
intel_gvt.c
drm/i915/gvt: sort and group include directives
2026-01-02 12:17:24 +02:00
intel_gvt.h
…
intel_mchbar_regs.h
drm/i915/dram: Fix ICL DIMM_S decoding
2025-11-19 18:55:57 +02:00
intel_memory_region.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
intel_memory_region.h
drm/i915: Fix format string truncation warning
2025-12-09 15:53:12 +02:00
intel_pci_config.h
drm: move i915_drm.h under include/drm/intel
2024-05-31 16:11:09 +03:00
intel_pcode.c
drm/{i915, xe}: Extract pcode definitions to common header
2026-02-12 15:30:40 +05:30
intel_pcode.h
drm/{i915, xe}/pcode: move display pcode calls to parent interface
2026-01-27 16:45:53 +02:00
intel_region_ttm.c
drm/ttm: Replace multiple booleans with flags in device init
2025-10-31 09:14:35 +00:00
intel_region_ttm.h
…
intel_runtime_pm.c
drm/i915/display: Runtime pm wrappers for display parent interface
2025-11-03 11:55:21 +02:00
intel_runtime_pm.h
drm/i915/display: Runtime pm wrappers for display parent interface
2025-11-03 11:55:21 +02:00
intel_step.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
intel_step.h
drm/intel: add shared step.h and switch i915 to use it
2026-03-17 17:50:47 +02:00
intel_uncore_trace.c
drm/i915: extract intel_uncore_trace.[ch]
2024-12-16 18:09:31 +02:00
intel_uncore_trace.h
drm/i915: extract intel_uncore_trace.[ch]
2024-12-16 18:09:31 +02:00
intel_uncore.c
drm/i915/uncore: Do GT FIFO checks in early sanitize and forcewake get
2026-03-27 13:08:32 +02:00
intel_uncore.h
drm/i915: move and rename reg_in_range_table
2025-10-16 15:20:56 -04:00
intel_wakeref.c
drm/i915/wakeref: clean up INTEL_WAKEREF_PUT_* flag macros
2025-12-16 14:04:22 +02:00
intel_wakeref.h
drm/i915/wakeref: clean up INTEL_WAKEREF_PUT_* flag macros
2025-12-16 14:04:22 +02:00
Kconfig
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2024-11-04 14:25:33 +10:00
Kconfig.debug
drm/i915: Fix selecting CONFIG_DRM_KUNIT_TEST in debug builds
2025-07-25 11:41:55 +03:00
Kconfig.profile
…
Makefile
drm/i915/de: Introduce intel_de.c and move intel_de_{read,write}8() there
2026-03-24 15:55:37 +02:00
TODO.txt
…
vlv_iosf_sb_reg.h
drm/i915: rename vlv_sideband*.[ch] to vlv_iosf_sb*.[ch]
2025-05-13 10:26:44 +03:00
vlv_iosf_sb.c
drm: include drm_print.h where needed
2025-10-31 10:34:52 +02:00
vlv_iosf_sb.h
drm/i915: rename VLV IOSF SB ports parameter to unit_mask
2025-05-13 10:26:45 +03:00
vlv_suspend.c
Merge drm/drm-next into drm-intel-next
2026-02-25 13:23:04 +02:00
vlv_suspend.h
…