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[172.105.124.195]) by smtp.gmail.com with ESMTPSA id z1sm3331069pjt.42.2020.04.15.06.53.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Apr 2020 06:53:49 -0700 (PDT) From: Qiang Yu To: dri-devel@lists.freedesktop.org Subject: [PATCH 3/4] drm/lima: add resume/suspend callback for each ip Date: Wed, 15 Apr 2020 21:52:07 +0800 Message-Id: <20200415135208.8960-4-yuq825@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200415135208.8960-1-yuq825@gmail.com> References: <20200415135208.8960-1-yuq825@gmail.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lima@lists.freedesktop.org, David Airlie , Bhushan Shah , Vasily Khoruzhick , Andreas Baierl , Qiang Yu , Erico Nunes MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" For called when PM do resume/suspend. Tested-by: Bhushan Shah Signed-off-by: Qiang Yu --- drivers/gpu/drm/lima/lima_bcast.c | 25 ++++++++++++---- drivers/gpu/drm/lima/lima_bcast.h | 2 ++ drivers/gpu/drm/lima/lima_device.c | 4 +++ drivers/gpu/drm/lima/lima_device.h | 2 +- drivers/gpu/drm/lima/lima_dlbu.c | 17 ++++++++++- drivers/gpu/drm/lima/lima_dlbu.h | 2 ++ drivers/gpu/drm/lima/lima_gp.c | 21 +++++++++++-- drivers/gpu/drm/lima/lima_gp.h | 2 ++ drivers/gpu/drm/lima/lima_l2_cache.c | 37 ++++++++++++++++------- drivers/gpu/drm/lima/lima_l2_cache.h | 2 ++ drivers/gpu/drm/lima/lima_mmu.c | 45 ++++++++++++++++++++-------- drivers/gpu/drm/lima/lima_mmu.h | 2 ++ drivers/gpu/drm/lima/lima_pmu.c | 25 ++++++++++++++-- drivers/gpu/drm/lima/lima_pmu.h | 2 ++ drivers/gpu/drm/lima/lima_pp.c | 31 +++++++++++++++++-- drivers/gpu/drm/lima/lima_pp.h | 4 +++ 16 files changed, 186 insertions(+), 37 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c index 288398027bfa..fbc43f243c54 100644 --- a/drivers/gpu/drm/lima/lima_bcast.c +++ b/drivers/gpu/drm/lima/lima_bcast.c @@ -26,18 +26,33 @@ void lima_bcast_enable(struct lima_device *dev, int num_pp) bcast_write(LIMA_BCAST_BROADCAST_MASK, mask); } +static int lima_bcast_hw_init(struct lima_ip *ip) +{ + bcast_write(LIMA_BCAST_BROADCAST_MASK, ip->data.mask << 16); + bcast_write(LIMA_BCAST_INTERRUPT_MASK, ip->data.mask); + return 0; +} + +int lima_bcast_resume(struct lima_ip *ip) +{ + return lima_bcast_hw_init(ip); +} + +void lima_bcast_suspend(struct lima_ip *ip) +{ + +} + int lima_bcast_init(struct lima_ip *ip) { - int i, mask = 0; + int i; for (i = lima_ip_pp0; i <= lima_ip_pp7; i++) { if (ip->dev->ip[i].present) - mask |= 1 << (i - lima_ip_pp0); + ip->data.mask |= 1 << (i - lima_ip_pp0); } - bcast_write(LIMA_BCAST_BROADCAST_MASK, mask << 16); - bcast_write(LIMA_BCAST_INTERRUPT_MASK, mask); - return 0; + return lima_bcast_hw_init(ip); } void lima_bcast_fini(struct lima_ip *ip) diff --git a/drivers/gpu/drm/lima/lima_bcast.h b/drivers/gpu/drm/lima/lima_bcast.h index c47e58563d0a..465ee587bceb 100644 --- a/drivers/gpu/drm/lima/lima_bcast.h +++ b/drivers/gpu/drm/lima/lima_bcast.h @@ -6,6 +6,8 @@ struct lima_ip; +int lima_bcast_resume(struct lima_ip *ip); +void lima_bcast_suspend(struct lima_ip *ip); int lima_bcast_init(struct lima_ip *ip); void lima_bcast_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c index 247f51fd40a2..e5f1f84ba85a 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -25,6 +25,8 @@ struct lima_ip_desc { int (*init)(struct lima_ip *ip); void (*fini)(struct lima_ip *ip); + int (*resume)(struct lima_ip *ip); + void (*suspend)(struct lima_ip *ip); }; #define LIMA_IP_DESC(ipname, mst0, mst1, off0, off1, func, irq) \ @@ -41,6 +43,8 @@ struct lima_ip_desc { }, \ .init = lima_##func##_init, \ .fini = lima_##func##_fini, \ + .resume = lima_##func##_resume, \ + .suspend = lima_##func##_suspend, \ } static struct lima_ip_desc lima_ip_desc[lima_ip_num] = { diff --git a/drivers/gpu/drm/lima/lima_device.h b/drivers/gpu/drm/lima/lima_device.h index 1a5032b08883..095a0b5f1703 100644 --- a/drivers/gpu/drm/lima/lima_device.h +++ b/drivers/gpu/drm/lima/lima_device.h @@ -64,7 +64,7 @@ struct lima_ip { bool async_reset; /* l2 cache */ spinlock_t lock; - /* pmu */ + /* pmu/bcast */ u32 mask; } data; }; diff --git a/drivers/gpu/drm/lima/lima_dlbu.c b/drivers/gpu/drm/lima/lima_dlbu.c index 8399ceffb94b..c1d5ea35daa7 100644 --- a/drivers/gpu/drm/lima/lima_dlbu.c +++ b/drivers/gpu/drm/lima/lima_dlbu.c @@ -42,7 +42,7 @@ void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg) dlbu_write(LIMA_DLBU_START_TILE_POS, reg[3]); } -int lima_dlbu_init(struct lima_ip *ip) +static int lima_dlbu_hw_init(struct lima_ip *ip) { struct lima_device *dev = ip->dev; @@ -52,6 +52,21 @@ int lima_dlbu_init(struct lima_ip *ip) return 0; } +int lima_dlbu_resume(struct lima_ip *ip) +{ + return lima_dlbu_hw_init(ip); +} + +void lima_dlbu_suspend(struct lima_ip *ip) +{ + +} + +int lima_dlbu_init(struct lima_ip *ip) +{ + return lima_dlbu_hw_init(ip); +} + void lima_dlbu_fini(struct lima_ip *ip) { diff --git a/drivers/gpu/drm/lima/lima_dlbu.h b/drivers/gpu/drm/lima/lima_dlbu.h index 16f877984466..be71daaaee89 100644 --- a/drivers/gpu/drm/lima/lima_dlbu.h +++ b/drivers/gpu/drm/lima/lima_dlbu.h @@ -12,6 +12,8 @@ void lima_dlbu_disable(struct lima_device *dev); void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg); +int lima_dlbu_resume(struct lima_ip *ip); +void lima_dlbu_suspend(struct lima_ip *ip); int lima_dlbu_init(struct lima_ip *ip); void lima_dlbu_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c index d8841c870d90..8dd501b7a3d0 100644 --- a/drivers/gpu/drm/lima/lima_gp.c +++ b/drivers/gpu/drm/lima/lima_gp.c @@ -274,6 +274,23 @@ static void lima_gp_print_version(struct lima_ip *ip) static struct kmem_cache *lima_gp_task_slab; static int lima_gp_task_slab_refcnt; +static int lima_gp_hw_init(struct lima_ip *ip) +{ + ip->data.async_reset = false; + lima_gp_soft_reset_async(ip); + return lima_gp_soft_reset_async_wait(ip); +} + +int lima_gp_resume(struct lima_ip *ip) +{ + return lima_gp_hw_init(ip); +} + +void lima_gp_suspend(struct lima_ip *ip) +{ + +} + int lima_gp_init(struct lima_ip *ip) { struct lima_device *dev = ip->dev; @@ -281,9 +298,7 @@ int lima_gp_init(struct lima_ip *ip) lima_gp_print_version(ip); - ip->data.async_reset = false; - lima_gp_soft_reset_async(ip); - err = lima_gp_soft_reset_async_wait(ip); + err = lima_gp_hw_init(ip); if (err) return err; diff --git a/drivers/gpu/drm/lima/lima_gp.h b/drivers/gpu/drm/lima/lima_gp.h index 516e5c1babbb..02ec9af78a51 100644 --- a/drivers/gpu/drm/lima/lima_gp.h +++ b/drivers/gpu/drm/lima/lima_gp.h @@ -7,6 +7,8 @@ struct lima_ip; struct lima_device; +int lima_gp_resume(struct lima_ip *ip); +void lima_gp_suspend(struct lima_ip *ip); int lima_gp_init(struct lima_ip *ip); void lima_gp_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_l2_cache.c b/drivers/gpu/drm/lima/lima_l2_cache.c index 6873a7af5a5c..c67fa34fba18 100644 --- a/drivers/gpu/drm/lima/lima_l2_cache.c +++ b/drivers/gpu/drm/lima/lima_l2_cache.c @@ -38,9 +38,34 @@ int lima_l2_cache_flush(struct lima_ip *ip) return ret; } +static int lima_l2_cache_hw_init(struct lima_ip *ip) +{ + int err; + + err = lima_l2_cache_flush(ip); + if (err) + return err; + + l2_cache_write(LIMA_L2_CACHE_ENABLE, + LIMA_L2_CACHE_ENABLE_ACCESS|LIMA_L2_CACHE_ENABLE_READ_ALLOCATE); + l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c); + + return 0; +} + +int lima_l2_cache_resume(struct lima_ip *ip) +{ + return lima_l2_cache_hw_init(ip); +} + +void lima_l2_cache_suspend(struct lima_ip *ip) +{ + +} + int lima_l2_cache_init(struct lima_ip *ip) { - int i, err; + int i; u32 size; struct lima_device *dev = ip->dev; @@ -63,15 +88,7 @@ int lima_l2_cache_init(struct lima_ip *ip) 1 << (size & 0xff), 1 << ((size >> 24) & 0xff)); - err = lima_l2_cache_flush(ip); - if (err) - return err; - - l2_cache_write(LIMA_L2_CACHE_ENABLE, - LIMA_L2_CACHE_ENABLE_ACCESS|LIMA_L2_CACHE_ENABLE_READ_ALLOCATE); - l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c); - - return 0; + return lima_l2_cache_hw_init(ip); } void lima_l2_cache_fini(struct lima_ip *ip) diff --git a/drivers/gpu/drm/lima/lima_l2_cache.h b/drivers/gpu/drm/lima/lima_l2_cache.h index c63fb676ff14..1aeeefd53fb9 100644 --- a/drivers/gpu/drm/lima/lima_l2_cache.h +++ b/drivers/gpu/drm/lima/lima_l2_cache.h @@ -6,6 +6,8 @@ struct lima_ip; +int lima_l2_cache_resume(struct lima_ip *ip); +void lima_l2_cache_suspend(struct lima_ip *ip); int lima_l2_cache_init(struct lima_ip *ip); void lima_l2_cache_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_mmu.c b/drivers/gpu/drm/lima/lima_mmu.c index f79d2af427e7..c12521ee94ce 100644 --- a/drivers/gpu/drm/lima/lima_mmu.c +++ b/drivers/gpu/drm/lima/lima_mmu.c @@ -59,12 +59,43 @@ static irqreturn_t lima_mmu_irq_handler(int irq, void *data) return IRQ_HANDLED; } -int lima_mmu_init(struct lima_ip *ip) +static int lima_mmu_hw_init(struct lima_ip *ip) { struct lima_device *dev = ip->dev; int err; u32 v; + mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_HARD_RESET); + err = lima_mmu_send_command(LIMA_MMU_COMMAND_HARD_RESET, + LIMA_MMU_DTE_ADDR, v, v == 0); + if (err) + return err; + + mmu_write(LIMA_MMU_INT_MASK, LIMA_MMU_INT_PAGE_FAULT | LIMA_MMU_INT_READ_BUS_ERROR); + mmu_write(LIMA_MMU_DTE_ADDR, dev->empty_vm->pd.dma); + return lima_mmu_send_command(LIMA_MMU_COMMAND_ENABLE_PAGING, + LIMA_MMU_STATUS, v, + v & LIMA_MMU_STATUS_PAGING_ENABLED); +} + +int lima_mmu_resume(struct lima_ip *ip) +{ + if (ip->id == lima_ip_ppmmu_bcast) + return 0; + + return lima_mmu_hw_init(ip); +} + +void lima_mmu_suspend(struct lima_ip *ip) +{ + +} + +int lima_mmu_init(struct lima_ip *ip) +{ + struct lima_device *dev = ip->dev; + int err; + if (ip->id == lima_ip_ppmmu_bcast) return 0; @@ -74,12 +105,6 @@ int lima_mmu_init(struct lima_ip *ip) return -EIO; } - mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_HARD_RESET); - err = lima_mmu_send_command(LIMA_MMU_COMMAND_HARD_RESET, - LIMA_MMU_DTE_ADDR, v, v == 0); - if (err) - return err; - err = devm_request_irq(dev->dev, ip->irq, lima_mmu_irq_handler, IRQF_SHARED, lima_ip_name(ip), ip); if (err) { @@ -87,11 +112,7 @@ int lima_mmu_init(struct lima_ip *ip) return err; } - mmu_write(LIMA_MMU_INT_MASK, LIMA_MMU_INT_PAGE_FAULT | LIMA_MMU_INT_READ_BUS_ERROR); - mmu_write(LIMA_MMU_DTE_ADDR, dev->empty_vm->pd.dma); - return lima_mmu_send_command(LIMA_MMU_COMMAND_ENABLE_PAGING, - LIMA_MMU_STATUS, v, - v & LIMA_MMU_STATUS_PAGING_ENABLED); + return lima_mmu_hw_init(ip); } void lima_mmu_fini(struct lima_ip *ip) diff --git a/drivers/gpu/drm/lima/lima_mmu.h b/drivers/gpu/drm/lima/lima_mmu.h index 4f8ccbebcba1..f0c97ac75ea0 100644 --- a/drivers/gpu/drm/lima/lima_mmu.h +++ b/drivers/gpu/drm/lima/lima_mmu.h @@ -7,6 +7,8 @@ struct lima_ip; struct lima_vm; +int lima_mmu_resume(struct lima_ip *ip); +void lima_mmu_suspend(struct lima_ip *ip); int lima_mmu_init(struct lima_ip *ip); void lima_mmu_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_pmu.c b/drivers/gpu/drm/lima/lima_pmu.c index 7f26bf384e15..014b07c55b46 100644 --- a/drivers/gpu/drm/lima/lima_pmu.c +++ b/drivers/gpu/drm/lima/lima_pmu.c @@ -63,7 +63,7 @@ static u32 lima_pmu_get_ip_mask(struct lima_ip *ip) return ret; } -int lima_pmu_init(struct lima_ip *ip) +static int lima_pmu_hw_init(struct lima_ip *ip) { int err; u32 stat; @@ -88,7 +88,7 @@ int lima_pmu_init(struct lima_ip *ip) return 0; } -void lima_pmu_fini(struct lima_ip *ip) +static void lima_pmu_hw_fini(struct lima_ip *ip) { u32 stat; @@ -101,3 +101,24 @@ void lima_pmu_fini(struct lima_ip *ip) lima_pmu_wait_cmd(ip); } } + +int lima_pmu_resume(struct lima_ip *ip) +{ + return lima_pmu_hw_init(ip); +} + +void lima_pmu_suspend(struct lima_ip *ip) +{ + lima_pmu_hw_fini(ip); +} + + +int lima_pmu_init(struct lima_ip *ip) +{ + return lima_pmu_hw_init(ip); +} + +void lima_pmu_fini(struct lima_ip *ip) +{ + lima_pmu_hw_fini(ip); +} diff --git a/drivers/gpu/drm/lima/lima_pmu.h b/drivers/gpu/drm/lima/lima_pmu.h index a2a18775eb07..652dc7af3047 100644 --- a/drivers/gpu/drm/lima/lima_pmu.h +++ b/drivers/gpu/drm/lima/lima_pmu.h @@ -6,6 +6,8 @@ struct lima_ip; +int lima_pmu_resume(struct lima_ip *ip); +void lima_pmu_suspend(struct lima_ip *ip); int lima_pmu_init(struct lima_ip *ip); void lima_pmu_fini(struct lima_ip *ip); diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c index 8fef224b93c8..33f01383409c 100644 --- a/drivers/gpu/drm/lima/lima_pp.c +++ b/drivers/gpu/drm/lima/lima_pp.c @@ -223,6 +223,23 @@ static void lima_pp_print_version(struct lima_ip *ip) lima_ip_name(ip), name, major, minor); } +static int lima_pp_hw_init(struct lima_ip *ip) +{ + ip->data.async_reset = false; + lima_pp_soft_reset_async(ip); + return lima_pp_soft_reset_async_wait(ip); +} + +int lima_pp_resume(struct lima_ip *ip) +{ + return lima_pp_hw_init(ip); +} + +void lima_pp_suspend(struct lima_ip *ip) +{ + +} + int lima_pp_init(struct lima_ip *ip) { struct lima_device *dev = ip->dev; @@ -230,9 +247,7 @@ int lima_pp_init(struct lima_ip *ip) lima_pp_print_version(ip); - ip->data.async_reset = false; - lima_pp_soft_reset_async(ip); - err = lima_pp_soft_reset_async_wait(ip); + err = lima_pp_hw_init(ip); if (err) return err; @@ -254,6 +269,16 @@ void lima_pp_fini(struct lima_ip *ip) } +int lima_pp_bcast_resume(struct lima_ip *ip) +{ + return 0; +} + +void lima_pp_bcast_suspend(struct lima_ip *ip) +{ + +} + int lima_pp_bcast_init(struct lima_ip *ip) { struct lima_device *dev = ip->dev; diff --git a/drivers/gpu/drm/lima/lima_pp.h b/drivers/gpu/drm/lima/lima_pp.h index bf60c77b2633..16ec96de15a9 100644 --- a/drivers/gpu/drm/lima/lima_pp.h +++ b/drivers/gpu/drm/lima/lima_pp.h @@ -7,9 +7,13 @@ struct lima_ip; struct lima_device; +int lima_pp_resume(struct lima_ip *ip); +void lima_pp_suspend(struct lima_ip *ip); int lima_pp_init(struct lima_ip *ip); void lima_pp_fini(struct lima_ip *ip); +int lima_pp_bcast_resume(struct lima_ip *ip); +void lima_pp_bcast_suspend(struct lima_ip *ip); int lima_pp_bcast_init(struct lima_ip *ip); void lima_pp_bcast_fini(struct lima_ip *ip); -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel