- 07 Aug, 2023 15 commits
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace RKL with ROCKETLAKE.Replace IS_RKL_GRAPHICS_STEP with IS_ROCKETLAKE && IS_DISPLAY_STEP. v2: - s/RKL/rkl in the subject prefix(Anusha) v3: - Unrolled wrapper IS_RKL_DISPLAY_STEP. - Replace IS_PLATFORM && IS_DISPLAY_STEP (Jani/Tvrtko) Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by:
Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com> Reviewed-by:
Anusha Srivatsa <anusha.srivatsa@intel.com> Acked-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Radhakrishna Sripada <radhakrishna.sripada@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230801135344.3797924-8-dnyaneshwar.bhadane@intel.com
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace CML with COMETLAKE. Signed-off-by:
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace CFL with COFFEELAKE. Signed-off-by:
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace KBL with KABYLAKE.Replace IS_KBL_GRAPHICS_STEP with IS_KABYLAKE () && IS_GRAPHICS_STEP(). v2: - s/KBL/kbl in the subject prefix(Anusha) v3: - Unrolled wrapper IS_KBL_GRAPHICS_STEP. - Replace with IS_PLATFORM && DISPLAY_STEP(tvrtko/jani) v4: - Removed unused macro. Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Anusha Srivatsa <Anusha.Srivatsa@intel.com> Signed-off-by:
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace SKL with SKYLAKE and Replace IS_SKL_GRAPHICS_STEP with IS_SKYLAKE() && IS_GRAPHICS_STEP(). v2: - Change subject skl instead of SKL(Anusha) v3: - Unrolled wrapper IS_SKL_GRAPHICS_STEP. - Replace with IS_PLATFORM && DISPLAY_STEP(tvrtko/jani) v4: - Removed the unused macro. Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by:
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace BDW with BROADWELL. Signed-off-by:
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Dnyaneshwar Bhadane authored
Follow consistent naming convention. Replace HSW with HASWELL. Signed-off-by:
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Rodrigo Vivi authored
Catching-up with drm-next and drm-intel-gt-next. It will unblock a code refactor around the platform definitions (names vs acronyms). Signed-off-by:Rodrigo Vivi <rodrigo.vivi@intel.com>
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Jouni Högander authored
As a preparation for Xe move HW fence details away from intel_fbc code. Add new functions to check support for legacy fencing and fence id and use these in fbc code. Xe doesn't support legacy fencing. v2: Fix intel_gt_support_legacy_fencing macro Signed-off-by:
Jouni Högander <jouni.hogander@intel.com> Reviewed-by:
Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230614051731.745821-4-jouni.hogander@intel.com
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Jouni Högander authored
As a preparation for Xe change stolen memory initialization check to be done in use-time instead of during initialization. In case of xe, stolen memory is initialised much later so it can't be checked during init. There is no specific reason to check this in init for i915 either -> perform the check in use-time. This also gives us benefit fbc_no_reason reporting missing initialization being reason for disabled fbc. Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by:
Jeevan B <jeevan.b@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230614051731.745821-3-jouni.hogander@intel.com
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Jouni Högander authored
We are preparing for Xe. Xe stolen memory handling differs from i915 so we want to move stolen memory handling details into i915_gem_stolen. Also add a common type for fbc compressed fb and use it from fbc code instead of underlying type directly. This way we can have common type i915_stolen_fb for both i915 and Xe. v2: Fix couple of checkpatch warnings Signed-off-by:
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Dave Airlie authored
Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next Driver Changes: - Avoid infinite GPU waits by avoidin premature release of request's reusable memory (Chris, Janusz) - Expose RPS thresholds in sysfs (Tvrtko) - Apply GuC SLPC min frequency softlimit correctly (Vinay) - Restore SLPC efficient freq earlier (Vinay) - Consider OA buffer boundary when zeroing out reports (Umesh) - Extend Wa_14015795083 to TGL, RKL, DG1 and ADL (Matt R) - Fix context workarounds with non-masked regs on MTL/DG2 (Lucas) - Enable the CCS_FLUSH bit in the pipe control and in the CS for MTL+ (Andi) - Update MTL workarounds 14018778641, 22016122933 (Tejas, Zhanjun) - Ensure memory quiesced before AUX CCS invalidation (Jonathan) - Add a gsc_info debugfs (Daniele) - Invalidate the TLBs on each GT on multi-GT device (Chris) - Fix a VMA UAF for multi-gt platform (Nirmoy) - Do not use stolen on MTL due to HW bug (Nirmoy) - Check HuC and GuC version compatibility on MTL (Daniele) - Dump perf_limit_reasons for slow GuC init debug (Vinay) - Replace kmap() with kmap_local_page() (Sumitra, Ira) - Add sentinel to xehp_oa_b_counters for KASAN (Andrzej) - Add the gen12_needs_ccs_aux_inv helper (Andi) - Fixes and updates for GSC memory allocation (Daniele) - Fix one wrong caching mode enum usage (Tvrtko) - Fixes for GSC wakeref (Alan) - Static checker fixes (Harshit, Arnd, Dan, Cristophe, David, Andi) - Rename flags with bit_group_X according to the datasheet (Andi) - Use direct alias for i915 in requests (Andrzej) - Replace i915->gt0 with to_gt(i915) (Andi) - Use the i915_vma_flush_writes helper (Tvrtko) - Selftest improvements (Alan) - Remove dead code (Tvrtko) Signed-off-by:
Dave Airlie <airlied@redhat.com> # Conflicts: # drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZMy6kDd9npweR4uy@jlahtine-mobl.ger.corp.intel.com
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git://anongit.freedesktop.org/drm/drm-intelDave Airlie authored
- Removing unused declarations (Arnd, Gustavo) - ICL+ DSI modeset sequence fixes (Ville) - Improvements on HDCP (Suraj) - Fixes and clean up on MTL Display (Mika Kahola, Lee, RK, Nirmoy, Chaitanya) - Restore HSW/BDW PSR1 (Ville) - Other PSR Fixes (Jouni) - Fixes around DC states and other Display Power (Imre) - Init DDI ports in VBT order (Ville) - General documentation fixes (Jani) - General refactor for better organization (Jani) - Bigjoiner fix (Stanislav) - VDSC Fixes and improvements (Stanialav, Suraj) - Hotplug fixes and improvements (Simon, Suraj) - Start using plane scale factor for relative data rate (Stanislav) - Use shmem for dpt objects (RK) - Simplify expression &to_i915(dev)->drm (Uwe) - Do not access i915_gem_object members from frontbuffer tracking (Jouni) - Fix uncore race around i915->params.mmio_debug (Jani) Signed-off-by:
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git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
drm-misc-next for v6.6: UAPI Changes: * virtio: * Support sync objects Cross-subsystem Changes: * dt-bindings: * Move several panel bindings to the correct files * fbcon: * Cleanups * fbdev: * Use _IOMEM_, _SYSMEM_, _DMAMEM_ infixes for initializer macros and Kconfig tokens, update drivers accordingly * ps3fb: Build fix * hid/i2c: * Allow panels and touchscreens to power sequence together * host1x: * Fixes * video: * Fix Kconfig dependencies for boot-up logo Core Changes: * Documentation updates and fixes * Fixes * MIPI-DBI: * Allow using same the D/C GPIO for multiple displays plus driver updates * Tests: * Convert to kunit actions * Fix NULL-deref in drm_exec tests Driver Changes: * armada: * Fixes * ast: * Represent BMV as virtual connector * Report DP connection status * bridge: * dw-hdmi: Support CEC suspend/resume * Support debugfs for chains * Fixes * i915: * Fixes * imx: * Convert to dev_error_probe() * Cleanups * ipu-v3: * Convert to devm_platform_ioremap_resource() in several places * nouveau: * Workaround DPCD issues * panel: * Convert to of_device_get_match_data() * Fix Kconfig dependencies * simple: Set bpc value to fix warning; Set connector type for AUO T215HVN01; Support Innolux G156HCE-L01 plus DT bindings * ili9881: Support TDO TL050HDV35 LCD panel plus DT bindings * startek: Support KD070FHFID015 MIPI-DSI panel plus DT bindings * sitronix-st7789v: Support Inanbo T28CP45TN89 plus DT bindings; Support EDT ET028013DMA plus DT bindings; Various cleanups * edp: Add timings for N140HCA-EAC * Allow panels and touchscreens to power sequence together * Documentation fixes * qaic: * Cleanups * repaper: * Fixes * ssd130x * Fix shadow-plane allocation * Cleanups * tegra: * Convert to devm_platform_ioremap_resource() in several places * Support bridge/connector * Enable PM * Fixes * udl: * Cleanups * v3d: * Fixes * vc4: * Convert tests to kunit actions * virtio: * Support sync objects * vkms: * Support gamma LUT * Fixes Signed-off-by: -
Dave Airlie authored
Merge tag 'drm-next-xilinx-20230802' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux into drm-next Miscellaneous fixes for the Xilinx zynqmp-dpsub driver Signed-off-by:
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- 04 Aug, 2023 3 commits
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Jani Nikula authored
Commit 3f9ffce5 ("drm/i915: Do panel VBT init early if the VBT declares an explicit panel type") started using -1 as the value for unset panel_type. It gets initialized in intel_panel_init_alloc(), but the SDVO code never calls it. Call intel_panel_init_alloc() to initialize the panel, including the panel_type. Reported-by:
Tomi Leppänen <tomi@tomin.site> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8896 Fixes: 3f9ffce5 ("drm/i915: Do panel VBT init early if the VBT declares an explicit panel type") Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: <stable@vger.kernel.org> # v6.1+ Reviewed-by:
Uma Shankar <uma.shankar@intel.com> Tested-by:
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Juha-Pekka Heikkila authored
If drm_edid_raw returned NULL on error don't try accessing anything behind that NULL Signed-off-by:
Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Reviewed-by:
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https://gitlab.freedesktop.org/agd5f/linuxDaniel Vetter authored
amd-drm-next-6.6-2023-07-28: amdgpu: - Lots of checkpatch cleanups - GFX 9.4.3 updates - Add USB PD and IFWI flashing documentation - GPUVM updates - RAS fixes - DRR fixes - FAMS fixes - Virtual display fixes - Soft IH fixes - SMU13 fixes - Rework PSP firmware loading for other IPs - Kernel doc fixes - DCN 3.0.1 fixes - LTTPR fixes - DP MST fixes - DCN 3.1.6 fixes - SubVP fixes - Display bandwidth calculation fixes - VCN4 secure submission fixes - Allow building DC on RISC-V - Add visible FB info to bo_print_info - HBR3 fixes - Add PSP 14.0 support - GFX9 MCBP fix - GMC10 vmhub index fix - GMC11 vmhub index fix - Create a new doorbell manager - SR-IOV fixes amdkfd: - Cleanup CRIU dma-buf handling - Use KIQ to unmap HIQ - GFX 9.4.3 debugger updates - GFX 9.4.2 debugger fixes - Enable cooperative groups fof gfx11 - SVM fixes radeon: - Lots of checkpatch cleanups Merge conflicts: - drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c The switch to drm eu helpers in 8a206685 ("drm/amdgpu: use drm_exec for GEM and CSA handling v2") clashed with the cosmetic cleanups from 30953c4d ("drm/amdgpu: Fix style issues in amdgpu_gem.c"). I kept the former since the cleanup up code is gone. - drivers/gpu/drm/amd/amdgpu/atom.c. adf64e21 ("drm/amd: Avoid reading the VBIOS part number twice") removed code that 992b8fe1 ("drm/radeon: Replace all non-returning strlcpy with strscpy") polished. From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230728214228.8102-1-alexander.deucher@amd.com [sima: some merge conflict wrangling as noted] Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com>
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- 03 Aug, 2023 14 commits
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Arnd Bergmann authored
When a symbol is selected that has extra dependencies, anything that selects it must have the same dependencies. With the added CONFIG_DRM reference from I2C_HID_CORE, this broke a couple of drivers that now also depend on DRM: WARNING: unmet direct dependencies detected for I2C_HID_CORE Depends on [m]: HID_SUPPORT [=y] && I2C_HID [=y] && (DRM [=m] || !DRM [=m]) Selected by [y]: - I2C_HID_OF [=y] && HID_SUPPORT [=y] && I2C_HID [=y] - I2C_HID_ACPI [=y] && HID_SUPPORT [=y] && I2C_HID [=y] && ACPI [=y] - I2C_HID_OF_GOODIX [=y] && HID_SUPPORT [=y] && I2C_HID [=y] && OF [=y] x86_64-linux-ld: vmlinux.o: in function `i2c_hid_core_remove': (.text+0xfc8826): undefined reference to `drm_panel_remove_follower' x86_64-linux-ld: vmlinux.o: in function `i2c_hid_core_probe': (.text+0xfc8da0): undefined reference to `drm_is_panel_follower' Add the corresponding DRM||!DRM dependencies on each one that is affected. Fixes: 96a37bfd ("HID: i2c-hid: Support being a panel follower") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Douglas Anderson <dianders@chromium.org> Signed-off-by:
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Thomas Zimmermann authored
Use fb_info() to print status message at the end of the probe function, which avoids decoding the devices. fb_info() works with or without an fbdev kernel device. Fixes the following error: ../drivers/video/fbdev/ps3fb.c: In function 'ps3fb_probe': ../drivers/video/fbdev/ps3fb.c:1172:40: error: 'struct fb_info' has no member named 'dev' 1172 | dev_driver_string(info->dev), dev_name(info->dev), | ^~ ../include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ ../drivers/video/fbdev/ps3fb.c:1171:9: note: in expansion of macro 'dev_info' 1171 | dev_info(info->device, "%s %s, using %u KiB of video memory\n", | ^~~~~~~~ ../drivers/video/fbdev/ps3fb.c:1172:61: error: 'struct fb_info' has no member named 'dev' 1172 | dev_driver_string(info->dev), dev_name(info->dev), | ^~ ../include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ ../drivers/video/fbdev/ps3fb.c:1171:9: note: in expansion of macro 'dev_info' 1171 | dev_info(info->device, "%s %s, using %u KiB of video memory\n", | ^~~~~~~~ Reported-by:Randy Dunlap <rdunlap@infradead.org> Closes: https://lore.kernel.org/lkml/ccc63065-2976-88ef-1211-731330bf2866@infradead.org/Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Fixes: 701d2054 ("fbdev: Make support for userspace interfaces configurable") Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Helge Deller <deller@gmx.de> Cc: Javier Martinez Canillas <javierm@redhat.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Bagas Sanjaya <bagasdotme@gmail.com> Cc: Thorsten Leemhuis <regressions@leemhuis.info> Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Acked-by:
Sam Ravnborg <sam@ravnborg.org> Acked-by:
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Simon Ser authored
Since commit 6b85aa68 ("drm: Enable PRIME import/export for all drivers"), import/export is always supported. Document this so that user-space knows what to expect. Signed-off-by:
Simon Ser <contact@emersion.fr> Reviewed-by:
Jeffrey Hugo <quic_jhugo@quicinc.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Jeffrey Hugo <quic_jhugo@quicinc.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230712183156.191445-1-contact@emersion.fr
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Simon Ser authored
Convert struct drm_event to a kernel doc comment. Link to the generic DRM event types. Add a basic description of each event type. Signed-off-by:
Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230717093032.600773-1-contact@emersion.fr
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Simon Ser authored
Mention that the connector_type_id is not stable: it depends on driver and device probe order. Signed-off-by:
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Simon Ser authored
When I originally wrote these docs, I couldn't manage to insert a cross-reference to a section. Here's how it can be done. Signed-off-by:
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GUO Zihua authored
fbcon_registered_fb and fbcon_num_registered_fb is not referred outside drivers/video/fbdev/core/fbcon.c, so make them static. Signed-off-by:
GUO Zihua <guozihua@huawei.com> Signed-off-by:
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Sui Jingfeng authored
Signed-off-by:
Sui Jingfeng <suijingfeng@loongson.cn> Link: https://patchwork.freedesktop.org/patch/msgid/20230409131547.494128-1-15330273260@189.cnSigned-off-by:
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Alexander Stein authored
This bridge has an interrupt line for event signaling. Add the corresponding property. Signed-off-by:
Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230718084411.1189831-1-alexander.stein@ew.tq-group.com
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Sandor Yu authored
CEC interrupt status/mask and logical address registers will be reset when device enter suspend. It will cause cec fail to work after device resume. Add CEC suspend/resume functions, reinitialize logical address registers and restore interrupt status/mask registers after resume. Signed-off-by:
Sandor Yu <Sandor.yu@nxp.com> Reviewed-by:
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Marek Vasut authored
Add support for Innolux G156HCE-L01 15.6" 1920x1080 24bpp dual-link LVDS TFT panel. Documentation is available at [1]. The middle frequency is tuned slightly upward from 70.93 MHz to 72 MHz, otherwise the panel shows slight flicker. [1] https://www.distec.de/fileadmin/pdf/produkte/TFT-Displays/Innolux/G156HCE-L01_Rev.C3_Datasheet.pdfSigned-off-by:
Marek Vasut <marex@denx.de> Reviewed-by:
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Marek Vasut authored
Add entry for Innolux G156HCE-L01 15.6" 1920x1080 24bpp dual-link LVDS TFT panel. Documentation is available at [1]. [1] https://www.distec.de/fileadmin/pdf/produkte/TFT-Displays/Innolux/G156HCE-L01_Rev.C3_Datasheet.pdfSigned-off-by:
Conor Dooley <conor.dooley@microchip.com> Signed-off-by:
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Douglas Anderson authored
In commit d2aacaf0 ("drm/panel: Check for already prepared/enabled in drm_panel") the formatting for a code block was not quite right. This caused an error when building htmldocs: Documentation/gpu/todo.rst:469: ERROR: Unexpected indentation. Fix the error by using the proper syntax for a code block. Fixes: d2aacaf0 ("drm/panel: Check for already prepared/enabled in drm_panel") Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Closes: https://lore.kernel.org/r/20230802141724.0edce253@canb.auug.org.auSigned-off-by:
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Douglas Anderson authored
In the kernel doc for the `follower_lock` member of `struct drm_panel` there was a typo where it was called `followers_lock`. This resulted in a warning when making "htmldocs": ./include/drm/drm_panel.h:270: warning: Function parameter or member 'follower_lock' not described in 'drm_panel' Fix the typo. Fixes: de087416 ("drm/panel: Add a way for other devices to follow panel state") Reported-by:
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- 02 Aug, 2023 8 commits
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Vinay Belgaumkar authored
This should be done before the soft min/max frequencies are restored. When we disable the "Ignore efficient frequency" flag, GuC does not actually bring the requested freq down to RPn. Specifically, this scenario- - ignore efficient freq set to true - reduce min to RPn (from efficient) - suspend - resume (includes GuC load, restore soft min/max, restore efficient freq) - validate min freq has been resored to RPn This will fail if we didn't first restore(disable, in this case) efficient freq flag before setting the soft min frequency. v2: Bring the min freq down to RPn when we disable efficient freq (Rodrigo) Also made the change to set the min softlimit to RPn at init. Otherwise, we were storing RPe there. Link: https://gitlab.freedesktop.org/drm/intel/-/issues/8736 Fixes: 55f9720d ("drm/i915/guc/slpc: Provide sysfs for efficient freq") Fixes: 95ccf312 ("drm/i915/guc/slpc: Allow SLPC to use efficient frequency") Signed-off-by:
Vinay Belgaumkar <vinay.belgaumkar@intel.com> Reviewed-by:
John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230726010044.3280402-1-vinay.belgaumkar@intel.com
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Colin Ian King authored
Pointer pexec is being assigned a value however it is never read. The assignment is redundant and can be removed. Replace sizeof(*pexec) with sizeof the type and remove the declaration of pointer pexec. Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Reviewed-by:
Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com> Reviewed-by:
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Andi Shyti authored
The inclusion of intel_gt_defines.h was initially added to i915_drv.h to provide the definition of I915_MAX_GT, where it was originally defined. However, since I915_MAX_GT is now included in i915_gem_object_types.h, it sis no longer required in i915_drv.h. Signed-off-by:
Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris.p.wilson@linux.intel.com> Reviewed-by:
Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230801141955.383305-5-andi.shyti@linux.intel.com
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Chris Wilson authored
With multi-GT devices, the object may have been bound on each GT. Invalidate the TLBs across all GT before releasing the pages back to the system. Signed-off-by:
Chris Wilson <chris.p.wilson@linux.intel.com> Cc: Fei Yang <fei.yang@intel.com> Signed-off-by:
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Andi Shyti authored
Create a new intel_gt_defines.h inside the gt/ directory as a placeholder for all the generic GT based defines. As of now place only I915_MAX_GT. Co-developed-by:
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Chris Wilson authored
Prepare for supporting more TLB invalidation scenarios by moving the current MMIO invalidation to its own file. Signed-off-by:
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Otto Pflüger authored
Displays that are connected to the same SPI bus may share the D/C GPIO. Use GPIOD_FLAGS_BIT_NONEXCLUSIVE to allow access to the same GPIO for multiple panel-mipi-dbi instances. Exclusive access to the GPIO during transfers is ensured by the locking in drm_mipi_dbi.c. Signed-off-by:
Otto Pflüger <otto.pflueger@abscue.de> Signed-off-by:
Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230724065654.5269-3-otto.pflueger@abscue.de
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Otto Pflüger authored
Multiple displays may be connected to the same bus and share a D/C GPIO, so the display driver needs exclusive access to the bus to ensure that it can control the D/C GPIO safely. Signed-off-by:
David Lechner <david@lechnology.com> Signed-off-by:
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