* [PATCH][V2] ACPI: video: use ACPI backlight for HP 635 Notebook
@ 2020-09-13 22:34 Alex Hung
2020-09-17 15:53 ` Sasha Levin
2020-09-25 11:00 ` Rafael J. Wysocki
0 siblings, 2 replies; 3+ messages in thread
From: Alex Hung @ 2020-09-13 22:34 UTC (permalink / raw)
To: rjw, lenb, linux-acpi, alex.hung; +Cc: stable
Default backlight interface is AMD's radeon_bl0 which does not work on
this system. As a result, let's for ACPI backlight interface for this
system.
BugLink: https://bugs.launchpad.net/bugs/1894667
Cc: stable@vger.kernel.org
Signed-off-by: Alex Hung <alex.hung@canonical.com>
---
V2: correct Cc to stable
drivers/acpi/video_detect.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 2499d7e..05047a3 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -282,6 +282,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"),
},
},
+ /* https://bugs.launchpad.net/bugs/1894667 */
+ {
+ .callback = video_detect_force_video,
+ .ident = "HP 635 Notebook",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"),
+ },
+ },
/* Non win8 machines which need native backlight nevertheless */
{
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH][V2] ACPI: video: use ACPI backlight for HP 635 Notebook
2020-09-13 22:34 [PATCH][V2] ACPI: video: use ACPI backlight for HP 635 Notebook Alex Hung
@ 2020-09-17 15:53 ` Sasha Levin
2020-09-25 11:00 ` Rafael J. Wysocki
1 sibling, 0 replies; 3+ messages in thread
From: Sasha Levin @ 2020-09-17 15:53 UTC (permalink / raw)
To: Sasha Levin, Alex Hung, rjw, lenb, linux-acpi; +Cc: stable, stable, stable
Hi
[This is an automated email]
This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all
The bot has tested the following trees: v5.8.9, v5.4.65, v4.19.145, v4.14.198, v4.9.236, v4.4.236.
v5.8.9: Build OK!
v5.4.65: Build OK!
v4.19.145: Build OK!
v4.14.198: Build OK!
v4.9.236: Build OK!
v4.4.236: Failed to apply! Possible dependencies:
49eb5208220a ("ACPI / video: Add a quirk to force acpi-video backlight on SAMSUNG 530U4E/540U4E")
NOTE: The patch will not be queued to stable trees until it is upstream.
How should we proceed with this patch?
--
Thanks
Sasha
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][V2] ACPI: video: use ACPI backlight for HP 635 Notebook
2020-09-13 22:34 [PATCH][V2] ACPI: video: use ACPI backlight for HP 635 Notebook Alex Hung
2020-09-17 15:53 ` Sasha Levin
@ 2020-09-25 11:00 ` Rafael J. Wysocki
1 sibling, 0 replies; 3+ messages in thread
From: Rafael J. Wysocki @ 2020-09-25 11:00 UTC (permalink / raw)
To: Alex Hung; +Cc: Rafael J. Wysocki, Len Brown, ACPI Devel Maling List, Stable
On Mon, Sep 14, 2020 at 12:34 AM Alex Hung <alex.hung@canonical.com> wrote:
>
> Default backlight interface is AMD's radeon_bl0 which does not work on
> this system. As a result, let's for ACPI backlight interface for this
> system.
>
> BugLink: https://bugs.launchpad.net/bugs/1894667
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Alex Hung <alex.hung@canonical.com>
> ---
>
> V2: correct Cc to stable
>
> drivers/acpi/video_detect.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 2499d7e..05047a3 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -282,6 +282,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"),
> },
> },
> + /* https://bugs.launchpad.net/bugs/1894667 */
> + {
> + .callback = video_detect_force_video,
> + .ident = "HP 635 Notebook",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"),
> + },
> + },
>
> /* Non win8 machines which need native backlight nevertheless */
> {
> --
Applied as 5.10 material, thanks!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-09-17 15:53 ` Sasha Levin
2020-09-25 11:00 ` Rafael J. Wysocki
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