| Message ID | 20210112105446.1172888-2-kai.heng.feng@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | Use DCPD to control HP DreamColor panel | expand |
On 12.01.21 11:54, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1911001 > > Another HP DreamColor panel, which is used by new HP ZBook Fury, needs > to use DPCD to control brightness. > > Once the proper fix [1] is merged, this can be dropped. > > [1] https://patchwork.freedesktop.org/series/81702/ > > Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Acked-by: Stefan Bader <stefan.bader@canonical.com> > --- > drivers/gpu/drm/drm_dp_helper.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c > index c55c14453ecb..efd50e87ec99 100644 > --- a/drivers/gpu/drm/drm_dp_helper.c > +++ b/drivers/gpu/drm/drm_dp_helper.c > @@ -1881,6 +1881,7 @@ static const struct edid_quirk edid_quirk_list[] = { > * controls anyway...). Until we have a better way of detecting these, > * force DPCD backlight mode on all of them. > */ > + { MFG(0x06, 0xaf), PROD_ID(0x8c, 0xcd), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x06, 0xaf), PROD_ID(0x9b, 0x32), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x30, 0xe4), PROD_ID(0x61, 0x06), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, >
On Tue, Jan 12, 2021 at 06:54:46PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1911001
LGTM Acked-by: Ian May <ian.may@canonical.com> On 2021-01-12 18:54:46 , Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1911001 > > Another HP DreamColor panel, which is used by new HP ZBook Fury, needs > to use DPCD to control brightness. > > Once the proper fix [1] is merged, this can be dropped. > > [1] https://patchwork.freedesktop.org/series/81702/ > > Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> > --- > drivers/gpu/drm/drm_dp_helper.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c > index c55c14453ecb..efd50e87ec99 100644 > --- a/drivers/gpu/drm/drm_dp_helper.c > +++ b/drivers/gpu/drm/drm_dp_helper.c > @@ -1881,6 +1881,7 @@ static const struct edid_quirk edid_quirk_list[] = { > * controls anyway...). Until we have a better way of detecting these, > * force DPCD backlight mode on all of them. > */ > + { MFG(0x06, 0xaf), PROD_ID(0x8c, 0xcd), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x06, 0xaf), PROD_ID(0x9b, 0x32), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > { MFG(0x30, 0xe4), PROD_ID(0x61, 0x06), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, > -- > 2.29.2 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index c55c14453ecb..efd50e87ec99 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1881,6 +1881,7 @@ static const struct edid_quirk edid_quirk_list[] = { * controls anyway...). Until we have a better way of detecting these, * force DPCD backlight mode on all of them. */ + { MFG(0x06, 0xaf), PROD_ID(0x8c, 0xcd), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x06, 0xaf), PROD_ID(0x9b, 0x32), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x30, 0xe4), PROD_ID(0x61, 0x06), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
BugLink: https://bugs.launchpad.net/bugs/1911001 Another HP DreamColor panel, which is used by new HP ZBook Fury, needs to use DPCD to control brightness. Once the proper fix [1] is merged, this can be dropped. [1] https://patchwork.freedesktop.org/series/81702/ Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> --- drivers/gpu/drm/drm_dp_helper.c | 1 + 1 file changed, 1 insertion(+)