From e5824d8014c321fbe2c1e04e12307125dd50a472 Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Thu, 3 Nov 2016 21:16:21 +0530 Subject: gpu: nvgpu: MSCG support - update gp106 pg engine init/list/features HALs to support MS engine - Added defines & interface for lpwr tables read from vbios. - lpwr module which reads idx/gr/ms table from vbios to map rppg/mscg support with respective p-state - lpwr module public functions to control lpwr features enable/disable mscg/rppg & mclk-change request whenever change in mclk-change parameters - lpwr public functions to know rppg/mscg support for requested pstate, - added mutex t prevent PG transition while arbiter executes pstate transition - nvgpu_clk_arb_get_current_pstate() of clk arbiter to get current pstate JIRA DNVGPU-71 Change-Id: Ifcd640cc19ef630be1e2a9ba07ec84023d8202a0 Signed-off-by: Mahantesh Kumbar Reviewed-on: http://git-master/r/1247553 (cherry picked from commit 8a441dea2410e1b5196ef24e56a7768b6980e46b) Reviewed-on: http://git-master/r/1270989 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/clk/clk_arb.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/nvgpu/clk/clk_arb.h') diff --git a/drivers/gpu/nvgpu/clk/clk_arb.h b/drivers/gpu/nvgpu/clk/clk_arb.h index 8355dac5..700804b3 100644 --- a/drivers/gpu/nvgpu/clk/clk_arb.h +++ b/drivers/gpu/nvgpu/clk/clk_arb.h @@ -62,5 +62,10 @@ int nvgpu_clk_arb_install_request_fd(struct gk20a *g, struct nvgpu_clk_session *session, int *event_fd); void nvgpu_clk_arb_schedule_vf_table_update(struct gk20a *g); + +int nvgpu_clk_arb_get_current_pstate(struct gk20a *g); + +void nvgpu_clk_arb_pstate_change_lock(struct gk20a *g, bool lock); + #endif /* _CLK_ARB_H_ */ -- cgit v1.2.2