On Mon, 10 Jul 2023 at 13:04, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>
> On 10.07.2023 12:02, Bryan O'Donoghue wrote:
> > On 09/07/2023 21:13, Dmitry Baryshkov wrote:
> >> The current approach to handling DP on bridge-enabled platforms requires
> >> a chain of DP bridges up to the USB-C connector. Register a last DRM
> >> bridge for such chain.
> >>
> >> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >> ---
> >> drivers/usb/typec/tcpm/Kconfig | 1 +
> >> drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 39 +++++++++++++++++++
> >> 2 files changed, 40 insertions(+)
> >>
> >> diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig
> >> index 5d393f520fc2..0b2993fef564 100644
> >> --- a/drivers/usb/typec/tcpm/Kconfig
> >> +++ b/drivers/usb/typec/tcpm/Kconfig
> >> @@ -79,6 +79,7 @@ config TYPEC_WCOVE
> >> config TYPEC_QCOM_PMIC
> >> tristate "Qualcomm PMIC USB Type-C Port Controller Manager driver"
> >> depends on ARCH_QCOM || COMPILE_TEST
> >> + depends on DRM || DRM=n
> >> help
> >> A Type-C port and Power Delivery driver which aggregates two
> >> discrete pieces of silicon in the PM8150b PMIC block: the
> >> diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> >> index a905160dd860..0722fb8d75c4 100644
> >> --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> >> +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> >> @@ -17,6 +17,9 @@
> >> #include <linux/usb/role.h>
> >> #include <linux/usb/tcpm.h>
> >> #include <linux/usb/typec_mux.h>
> >> +
> >> +#include <drm/drm_bridge.h>
> >> +
> >> #include "qcom_pmic_typec_pdphy.h"
> >> #include "qcom_pmic_typec_port.h"
> >> @@ -33,6 +36,9 @@ struct pmic_typec {
> >> struct pmic_typec_port *pmic_typec_port;
> >> bool vbus_enabled;
> >> struct mutex lock; /* VBUS state serialization */
> >> +#ifdef CONFIG_DRM
> >> + struct drm_bridge bridge;
> >> +#endif
> >
> > IMO there's no reason to ifdef the structure. Its up to you if you want to change it nor not, I have no strong feelings about it.
> +1, there's no ifdefs in the drm_bridge.h header that would make this not compile
It is quite typical to idef unused structure fields. For example
OF-related fields are frequently ifdef'ed.
Let's see what the maintainers will say.
>
> Konrad
> >
> > Acked-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> >
> > ---
> > bod
--
With best wishes
Dmitry
