On Thu, Nov 4, 2021 at 8:05 PM Sean Paul <sean@xxxxxxxxxx> wrote: > > From: Sean Paul <seanpaul@xxxxxxxxxxxx> > > This patch adds the register ranges required for HDCP key injection and > HDCP TrustZone interaction as described in the dt-bindings for the > sc7180 dp controller. Now that these are supported, change the > compatible string to "dp-hdcp". > > Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx> > Link: https://patchwork.freedesktop.org/patch/msgid/20210913175747.47456-15-sean@xxxxxxxxxx #v1 > Link: https://patchwork.freedesktop.org/patch/msgid/20210915203834.1439-14-sean@xxxxxxxxxx #v2 > Link: https://patchwork.freedesktop.org/patch/msgid/20211001151145.55916-14-sean@xxxxxxxxxx #v3 > > Changes in v3: > -Split off into a new patch containing just the dts change (Stephen) > -Add hdcp compatible string (Stephen) > Changes in v4: > -Rebase on Bjorn's multi-dp patchset > --- > arch/arm64/boot/dts/qcom/sc7180.dtsi | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi > index c8921e2d6480..838270f70b62 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > @@ -3088,7 +3088,13 @@ mdss_dp: displayport-controller@ae90000 { > compatible = "qcom,sc7180-dp"; > status = "disabled"; > > - reg = <0 0x0ae90000 0 0x1400>; > + reg = <0 0x0ae90000 0 0x200>, > + <0 0x0ae90200 0 0x200>, > + <0 0x0ae90400 0 0xc00>, > + <0 0x0ae91000 0 0x400>, > + <0 0x0ae91400 0 0x400>, > + <0 0x0aed1000 0 0x175>, > + <0 0x0aee1000 0 0x2c>; So one small issue, if someone tries to get linux running on a sc7180 windows laptop (which uses qcom's tz instead of the CrOS tz), things will go BOOM! We might want instead to move this somewhere chromebook specific, maybe sc7180-trogdor.dtsi? BR, -R > > interrupt-parent = <&mdss>; > interrupts = <12>; > -- > Sean Paul, Software Engineer, Google / Chromium OS >
