From ce3afaaaf6092f46b2db0f8835e4d4b9b46ef1a4 Mon Sep 17 00:00:00 2001 From: Sam Payne Date: Mon, 26 Jan 2015 14:02:25 -0800 Subject: gpu: nvgpu: disable ce2 interrupts when unhandled ce2 interrupts enabled only on gk20a and gm20b when interrupts are handled through hal Change-Id: Ib570db8f5f41e71e768b95e781153ec8a5d20015 Signed-off-by: Sam Payne Reviewed-on: http://git-master/r/677447 Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/gk20a/ce2_gk20a.c | 6 +++++- drivers/gpu/nvgpu/gk20a/ce2_gk20a.h | 1 + drivers/gpu/nvgpu/gk20a/fifo_gk20a.c | 3 +++ drivers/gpu/nvgpu/gk20a/gk20a.h | 4 ++++ drivers/gpu/nvgpu/gk20a/hal_gk20a.c | 3 ++- drivers/gpu/nvgpu/gk20a/mc_gk20a.c | 10 ++++++---- 6 files changed, 21 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/nvgpu/gk20a') diff --git a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.c b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.c index 75df4ce5..ce23c59a 100644 --- a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.c @@ -92,4 +92,8 @@ void gk20a_ce2_nonstall_isr(struct gk20a *g) return; } - +void gk20a_init_ce2(struct gpu_ops *gops) +{ + gops->ce2.isr_stall = gk20a_ce2_isr; + gops->ce2.isr_nonstall = gk20a_ce2_nonstall_isr; +} diff --git a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h index 0a9ec62a..bf4e3066 100644 --- a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h @@ -24,6 +24,7 @@ #include "channel_gk20a.h" #include "tsg_gk20a.h" +void gk20a_init_ce2(struct gpu_ops *gops); void gk20a_ce2_isr(struct gk20a *g); void gk20a_ce2_nonstall_isr(struct gk20a *g); diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c index b9183e76..cf1242ab 100644 --- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c @@ -145,6 +145,9 @@ u32 gk20a_fifo_engine_interrupt_mask(struct gk20a *g) for (i = 0; i < g->fifo.max_engines; i++) { u32 intr_id = g->fifo.engine_info[i].intr_id; + if (i == ENGINE_CE2_GK20A && + (!g->ops.ce2.isr_stall || !g->ops.ce2.isr_nonstall)) + continue; if (intr_id) eng_intr_mask |= BIT(intr_id); diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h index ef8068e5..1157390a 100644 --- a/drivers/gpu/nvgpu/gk20a/gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/gk20a.h @@ -87,6 +87,10 @@ struct gpu_ops { u32 (*cbc_fix_config)(struct gk20a *g, int base); void (*flush)(struct gk20a *g); } ltc; + struct { + void (*isr_stall)(struct gk20a *g); + void (*isr_nonstall)(struct gk20a *g); + } ce2; struct { int (*init_fs_state)(struct gk20a *g); void (*access_smpc_reg)(struct gk20a *g, u32 quad, u32 offset); diff --git a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c index 0e97d551..5a9c38ea 100644 --- a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c @@ -42,7 +42,7 @@ static struct gpu_ops gk20a_ops = { gr_gk20a_pg_gr_load_gating_prod, .slcg_therm_load_gating_prod = gr_gk20a_slcg_therm_load_gating_prod, - } + }, }; int gk20a_init_hal(struct gk20a *g) @@ -57,6 +57,7 @@ int gk20a_init_hal(struct gk20a *g) gk20a_init_gr_ops(gops); gk20a_init_fb(gops); gk20a_init_fifo(gops); + gk20a_init_ce2(gops); gk20a_init_gr_ctx(gops); gk20a_init_mm(gops); gk20a_init_pmu_ops(gops); diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c index 86fea3a1..4aca3424 100644 --- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c @@ -80,8 +80,9 @@ irqreturn_t mc_gk20a_intr_thread_stall(struct gk20a *g) if (mc_intr_0 & BIT(g->fifo.engine_info[ENGINE_GR_GK20A].intr_id)) gr_gk20a_elpg_protected_call(g, gk20a_gr_isr(g)); - if (mc_intr_0 & BIT(g->fifo.engine_info[ENGINE_CE2_GK20A].intr_id)) - gk20a_ce2_isr(g); + if (mc_intr_0 & BIT(g->fifo.engine_info[ENGINE_CE2_GK20A].intr_id) + && g->ops.ce2.isr_stall) + g->ops.ce2.isr_stall(g); if (mc_intr_0 & mc_intr_0_pfifo_pending_f()) gk20a_fifo_isr(g); if (mc_intr_0 & mc_intr_0_pmu_pending_f()) @@ -118,8 +119,9 @@ irqreturn_t mc_gk20a_intr_thread_nonstall(struct gk20a *g) gk20a_fifo_nonstall_isr(g); if (mc_intr_1 & BIT(g->fifo.engine_info[ENGINE_GR_GK20A].intr_id)) gk20a_gr_nonstall_isr(g); - if (mc_intr_1 & BIT(g->fifo.engine_info[ENGINE_CE2_GK20A].intr_id)) - gk20a_ce2_nonstall_isr(g); + if (mc_intr_1 & BIT(g->fifo.engine_info[ENGINE_CE2_GK20A].intr_id) + && g->ops.ce2.isr_nonstall) + g->ops.ce2.isr_nonstall(g); gk20a_writel(g, mc_intr_en_1_r(), mc_intr_en_1_inta_hardware_f()); -- cgit v1.2.2