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([2400:4050:c360:8200:8ae8:3c4:c0da:7419]) by smtp.gmail.com with ESMTPSA id on16-20020a17090b1d1000b0020b21019086sm18524378pjb.3.2022.10.24.04.56.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Oct 2022 04:56:20 -0700 (PDT) Message-ID: <18478739-625b-0c16-cd5a-e05c5372a74a@daynix.com> Date: Mon, 24 Oct 2022 20:56:11 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.3 Subject: Re: [PATCH 00/22] Fallback to native backlight To: Jani Nikula Cc: David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jonathan Corbet , "Rafael J. Wysocki" , Len Brown , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , "Lee, Chun-Yi" , Hans de Goede , Mark Gross , Corentin Chary , Cezary Jackiewicz , Matthew Garrett , =?UTF-8?Q?Pali_Roh=c3=a1r?= , Jonathan Woithe , Ike Panhc , Daniel Dadap , Kenneth Chan , Mattia Dongili , Henrique de Moraes Holschuh , Azael Avalos , Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , Robert Moore , dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, intel-gfx@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, acpi4asus-user@lists.sourceforge.net, ibm-acpi-devel@lists.sourceforge.net, linux-fbdev@vger.kernel.org, devel@acpica.org References: <20221024113513.5205-1-akihiko.odaki@daynix.com> <87tu3te92n.fsf@intel.com> Content-Language: en-US From: Akihiko Odaki In-Reply-To: <87tu3te92n.fsf@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On 2022/10/24 20:48, Jani Nikula wrote: > On Mon, 24 Oct 2022, Akihiko Odaki wrote: >> Commit 2600bfa3df99 ("ACPI: video: Add acpi_video_backlight_use_native() >> helper") and following commits made native backlight unavailable if >> CONFIG_ACPI_VIDEO is set and the backlight feature of ACPI video is >> unavailable, which broke the backlight functionality on Lenovo ThinkPad >> C13 Yoga Chromebook. Allow to fall back to native backlight in such >> cases. > > Where's the bug report with relevant logs, kconfigs, etc? I haven't filed one. Should I? Please tell me where to report and what information you would need (to bugzilla.kernel.org with things mentioned in Documentation/admin-guide/reporting-issues.rst?) Regards, Akihiko Odaki > > BR, > Jani. > >> >> Signed-off-by: Akihiko Odaki >> >> Akihiko Odaki (22): >> drm/i915/opregion: Improve backlight request condition >> ACPI: video: Introduce acpi_video_get_backlight_types() >> LoongArch: Use acpi_video_get_backlight_types() >> platform/x86: acer-wmi: Use acpi_video_get_backlight_types() >> platform/x86: asus-laptop: Use acpi_video_get_backlight_types() >> platform/x86: asus-wmi: Use acpi_video_get_backlight_types() >> platform/x86: compal-laptop: Use acpi_video_get_backlight_types() >> platform/x86: eeepc-laptop: Use acpi_video_get_backlight_types() >> platform/x86: fujitsu-laptop: Use acpi_video_get_backlight_types() >> platform/x86: ideapad-laptop: Use acpi_video_get_backlight_types() >> platform/x86: msi-laptop: Use acpi_video_get_backlight_types() >> platform/x86: msi-wmi: Use acpi_video_get_backlight_types() >> platform/x86: nvidia-wmi-ec-backlight: Use >> acpi_video_get_backlight_types() >> platform/x86: panasonic-laptop: Use acpi_video_get_backlight_types() >> platform/x86: samsung-laptop: Use acpi_video_get_backlight_types() >> platform/x86: sony-laptop: Use acpi_video_get_backlight_types() >> platform/x86: thinkpad_acpi: Use acpi_video_get_backlight_types() >> platform/x86: toshiba_acpi: Use acpi_video_get_backlight_types() >> platform/x86: dell-laptop: Use acpi_video_get_backlight_types() >> platform/x86: intel_oaktrail: Use acpi_video_get_backlight_types() >> ACPI: video: Remove acpi_video_get_backlight_type() >> ACPI: video: Fallback to native backlight >> >> Documentation/gpu/todo.rst | 8 +-- >> drivers/acpi/acpi_video.c | 2 +- >> drivers/acpi/video_detect.c | 54 ++++++++++--------- >> drivers/gpu/drm/i915/display/intel_opregion.c | 3 +- >> drivers/platform/loongarch/loongson-laptop.c | 4 +- >> drivers/platform/x86/acer-wmi.c | 2 +- >> drivers/platform/x86/asus-laptop.c | 2 +- >> drivers/platform/x86/asus-wmi.c | 4 +- >> drivers/platform/x86/compal-laptop.c | 2 +- >> drivers/platform/x86/dell/dell-laptop.c | 2 +- >> drivers/platform/x86/eeepc-laptop.c | 2 +- >> drivers/platform/x86/fujitsu-laptop.c | 4 +- >> drivers/platform/x86/ideapad-laptop.c | 2 +- >> drivers/platform/x86/intel/oaktrail.c | 2 +- >> drivers/platform/x86/msi-laptop.c | 2 +- >> drivers/platform/x86/msi-wmi.c | 2 +- >> .../platform/x86/nvidia-wmi-ec-backlight.c | 2 +- >> drivers/platform/x86/panasonic-laptop.c | 2 +- >> drivers/platform/x86/samsung-laptop.c | 2 +- >> drivers/platform/x86/sony-laptop.c | 2 +- >> drivers/platform/x86/thinkpad_acpi.c | 4 +- >> drivers/platform/x86/toshiba_acpi.c | 2 +- >> drivers/video/backlight/backlight.c | 18 +++++++ >> include/acpi/video.h | 21 ++++---- >> include/linux/backlight.h | 1 + >> 25 files changed, 85 insertions(+), 66 deletions(-) >