On Mon, Jun 24, 2024 at 10:18:04AM GMT, Jagadeesh Kona wrote: > This series adds support for dev_pm_genpd_set_hwmode() and dev_pm_genpd_get_hwmode() APIs > and support in gdsc genpd provider drivers to register respective callbacks and a venus > consumer driver example using above API to switch the power domain(GDSC) to HW/SW modes > dynamically at runtime. > Ulf, I discussed the concerns I had with Taniya and I think this looks good. Please pick the gdsc/clock patches through the pmdomain tree. Regards, Bjorn > Changes in V7: > - [PATCH 3/5]: Updated the comment description in gdsc_set_hwmode as per V6 review comments > - Added R-By tags received on V6 > - Link to V6: https://lore.kernel.org/all/20240619141413.7983-1-quic_jkona@xxxxxxxxxxx/ > > Changes in V6: > - [PATCH 3/5]: Added details for 1usec delay in gdsc_set_hwmode() > - [PATCH 4/5]: Updated commit text > - Added R-By and T-By tags received on V5 RESEND > - Link to V5 RESEND: https://lore.kernel.org/all/20240413152013.22307-1-quic_jkona@xxxxxxxxxxx/ > - Link to V5: https://lore.kernel.org/all/20240315111046.22136-1-quic_jkona@xxxxxxxxxxx/ > > Changes in V5: > - Updated 1st patch as per V4 review comments to synchronize the initial HW mode state by > invoking ->get_hwmode_dev()callback in genpd_add_device() > - With above change, SW cached hwmode will contain correct value initially, and it will be > updated everytime mode is changed in set_hwmode, hence updated dev_pm_genpd_get_hwmode() > to just return SW cached hwmode in 1st patch > - Updated commit text for 1st, 3rd, 4th and 5th patches > - Updated 3rd and 5th patches as per review comments received on V4 series > - Added R-By tags received in older series to 1st and 2nd patches > - Link to V4: https://lore.kernel.org/all/20240122-gdsc-hwctrl-v4-0-9061e8a7aa07@xxxxxxxxxx/ > > Changes in V4: > - Re-worded 1st patch commit message, as per Bjorn's suggestion, and added > Dmitry's R-b tag > - Added Bjorn's and Dmitry's R-b tags to the 2nd patch > - Re-worded 3rd patch commit message, to better explain the HW_CTRL_TRIGGER flag. > - Added mode transition delay when setting mode for GDSC > - Added status polling if GDSSC is enabled when transitioning from HW to SW > - Re-worded 4th patch commit message to better explain why the > HW_CTRL_TRIGGER needs to be used instead > - Drop changes to SC7180, SDM845 and SM8550 video CC drivers, as only > SC7280 and SM8250 have been tested so far. More platforms (with v6 venus) > will be added eventually. > - Call genpd set_hwmode API only for v6 and dropped the vcodec_pmdomains_hwctrl. > - Re-worded 5th patch commit message accordingly. > - Link to V3: https://lore.kernel.org/lkml/20230823114528.3677667-1-abel.vesa@xxxxxxxxxx/ > > Changes in V3: > - 5th patch has been squashed in the 4th one > - Link to V2: https://lore.kernel.org/lkml/20230816145741.1472721-1-abel.vesa@xxxxxxxxxx/ > > Changes in V2: > - patch for printing domain HW-managed mode in the summary > - patch that adds one consumer (venus) > - patch for gdsc with new (different) flag > - patch for videocc GDSC provider to update flags > - Link to V1: https://lore.kernel.org/all/20230628105652.1670316-1-abel.vesa@xxxxxxxxxx/ > > Abel Vesa (1): > PM: domains: Add the domain HW-managed mode to the summary > > Jagadeesh Kona (3): > clk: qcom: gdsc: Add set and get hwmode callbacks to switch GDSC mode > clk: qcom: videocc: Use HW_CTRL_TRIGGER for SM8250, SC7280 vcodec > GDSC's > venus: pm_helpers: Use dev_pm_genpd_set_hwmode to switch GDSC mode on > V6 > > Ulf Hansson (1): > PM: domains: Allow devices attached to genpd to be managed by HW > > drivers/clk/qcom/gdsc.c | 41 ++++++++++ > drivers/clk/qcom/gdsc.h | 1 + > drivers/clk/qcom/videocc-sc7280.c | 2 +- > drivers/clk/qcom/videocc-sm8250.c | 4 +- > .../media/platform/qcom/venus/pm_helpers.c | 39 ++++++---- > drivers/pmdomain/core.c | 78 ++++++++++++++++++- > include/linux/pm_domain.h | 17 ++++ > 7 files changed, 161 insertions(+), 21 deletions(-) > > -- > 2.43.0 >
