From 71fbfdb2b84a4f778f19e44421a66e28e5aadf8d Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Thu, 3 Nov 2016 21:10:24 +0530 Subject: gpu: nvgpu: MSCG support - Added enable_mscg, mscg_enabled & mscg_stat flags, mscg_enabled flag can be used to controll mscg enable/disable at runtime along with mscg_stat flag. - Added defines & interface to support ms/mclk-change/post-init-param - Added defines for lpwr tables read from vbios. - HAL to support post init param which is require to setup clockgating interface in PMU & interfaces used during mscg state machine. - gk20a_pmu_pg_global_enable() can be called when pg support required to enable/disable, this also checks & wait if pstate switch is in progress till it complets - pg_mutex to protect PG-RPPG/MSCG enable/disable JIRA DNVGPU-71 Change-Id: If312cefc888a4de0a5c96898baeaac1a76e53e46 Signed-off-by: Mahantesh Kumbar Reviewed-on: http://git-master/r/1247554 (cherry picked from commit e6c94948b8058ba642ea56677ad798fc56b8a28a) Reviewed-on: http://git-master/r/1270971 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom --- drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c') diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c index cd3ab0c2..f86a7377 100644 --- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c @@ -1169,8 +1169,8 @@ static int dbg_set_powergate(struct dbg_session_gk20a *dbg_s, u32 powermode) return -EPERM; /*do elpg disable before clock gating */ - if (support_gk20a_pmu(g->dev)) - gk20a_pmu_disable_elpg(g); + gk20a_pmu_pg_global_enable(g, false); + if (g->ops.clock_gating.slcg_gr_load_gating_prod) g->ops.clock_gating.slcg_gr_load_gating_prod(g, false); @@ -1216,8 +1216,7 @@ static int dbg_set_powergate(struct dbg_session_gk20a *dbg_s, u32 powermode) g->ops.clock_gating.slcg_gr_load_gating_prod(g, g->slcg_enabled); - if (support_gk20a_pmu(g->dev)) - gk20a_pmu_enable_elpg(g); + gk20a_pmu_pg_global_enable(g, true); gk20a_dbg(gpu_dbg_gpu_dbg | gpu_dbg_fn, "module idle"); gk20a_idle(dbg_s->dev); -- cgit v1.2.2