From ca8b106738521823707f3567cedb41ca158792a3 Mon Sep 17 00:00:00 2001 From: Alberto Milone Date: Wed, 15 Feb 2017 10:53:42 +0100 Subject: [PATCH 1/1] Add support for Linux 4.10 --- common/inc/nv-mm.h | 9 ++++-- nvidia-drm/nvidia-drm-fence.c | 72 +++++++++++++++++++++++++++++++++++++++++++ nvidia-drm/nvidia-drm-gem.h | 6 ++++ nvidia-drm/nvidia-drm-priv.h | 7 +++++ nvidia/nv-pat.c | 40 ++++++++++++++++++++++++ 5 files changed, 132 insertions(+), 2 deletions(-) diff --git a/kernel/common/inc/nv-mm.h b/kernel/common/inc/nv-mm.h index 06d7da4..e5cc56a 100644 --- a/kernel/common/inc/nv-mm.h +++ b/kernel/common/inc/nv-mm.h @@ -46,6 +46,8 @@ * 2016 Dec 14:5b56d49fc31dbb0487e14ead790fc81ca9fb2c99 */ +#include + #if defined(NV_GET_USER_PAGES_REMOTE_PRESENT) #if defined(NV_GET_USER_PAGES_HAS_WRITE_AND_FORCE_ARGS) #define NV_GET_USER_PAGES get_user_pages @@ -92,10 +94,13 @@ pages, vmas, NULL); #else - +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) return get_user_pages_remote(tsk, mm, start, nr_pages, flags, pages, vmas); - +#else + return get_user_pages_remote(tsk, mm, start, nr_pages, flags, + pages, vmas, NULL); +#endif #endif } diff --git a/kernel/nvidia-drm/nvidia-drm-fence.c b/kernel/nvidia-drm/nvidia-drm-fence.c index 5e98c5f..fa2c508 100644 --- a/kernel/nvidia-drm/nvidia-drm-fence.c +++ b/kernel/nvidia-drm/nvidia-drm-fence.c @@ -31,7 +31,11 @@ #if defined(NV_DRM_DRIVER_HAS_GEM_PRIME_RES_OBJ) struct nv_fence { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence base; +#else + struct dma_fence base; +#endif spinlock_t lock; struct nvidia_drm_device *nv_dev; @@ -51,7 +55,11 @@ nv_fence_ready_to_signal(struct nv_fence *nv_fence) static const char *nvidia_drm_gem_prime_fence_op_get_driver_name ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence +#else + struct dma_fence *fence +#endif ) { return "NVIDIA"; @@ -59,7 +67,11 @@ static const char *nvidia_drm_gem_prime_fence_op_get_driver_name static const char *nvidia_drm_gem_prime_fence_op_get_timeline_name ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence +#else + struct dma_fence *fence +#endif ) { return "nvidia.prime"; @@ -67,7 +79,11 @@ static const char *nvidia_drm_gem_prime_fence_op_get_timeline_name static bool nvidia_drm_gem_prime_fence_op_signaled ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence +#else + struct dma_fence *fence +#endif ) { struct nv_fence *nv_fence = container_of(fence, struct nv_fence, base); @@ -99,7 +115,11 @@ unlock_struct_mutex: static bool nvidia_drm_gem_prime_fence_op_enable_signaling ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence +#else + struct dma_fence *fence +#endif ) { bool ret = true; @@ -107,7 +127,11 @@ static bool nvidia_drm_gem_prime_fence_op_enable_signaling struct nvidia_drm_gem_object *nv_gem = nv_fence->nv_gem; struct nvidia_drm_device *nv_dev = nv_fence->nv_dev; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) if (fence_is_signaled(fence)) +#else + if (dma_fence_is_signaled(fence)) +#endif { return false; } @@ -136,7 +160,11 @@ static bool nvidia_drm_gem_prime_fence_op_enable_signaling } nv_gem->fenceContext.softFence = fence; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_get(fence); +#else + dma_fence_get(fence); +#endif unlock_struct_mutex: mutex_unlock(&nv_dev->dev->struct_mutex); @@ -146,7 +174,11 @@ unlock_struct_mutex: static void nvidia_drm_gem_prime_fence_op_release ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence +#else + struct dma_fence *fence +#endif ) { struct nv_fence *nv_fence = container_of(fence, struct nv_fence, base); @@ -155,7 +187,11 @@ static void nvidia_drm_gem_prime_fence_op_release static signed long nvidia_drm_gem_prime_fence_op_wait ( +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence, +#else + struct dma_fence *fence, +#endif bool intr, signed long timeout ) @@ -170,12 +206,20 @@ static signed long nvidia_drm_gem_prime_fence_op_wait * that it should never get hit during normal operation, but not so long * that the system becomes unresponsive. */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) return fence_default_wait(fence, intr, +#else + return dma_fence_default_wait(fence, intr, +#endif (timeout == MAX_SCHEDULE_TIMEOUT) ? msecs_to_jiffies(96) : timeout); } +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) static const struct fence_ops nvidia_drm_gem_prime_fence_ops = { +#else +static const struct dma_fence_ops nvidia_drm_gem_prime_fence_ops = { +#endif .get_driver_name = nvidia_drm_gem_prime_fence_op_get_driver_name, .get_timeline_name = nvidia_drm_gem_prime_fence_op_get_timeline_name, .signaled = nvidia_drm_gem_prime_fence_op_signaled, @@ -285,7 +329,11 @@ static void nvidia_drm_gem_prime_fence_signal bool force ) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *fence = nv_gem->fenceContext.softFence; +#else + struct dma_fence *fence = nv_gem->fenceContext.softFence; +#endif WARN_ON(!mutex_is_locked(&nv_dev->dev->struct_mutex)); @@ -301,10 +349,18 @@ static void nvidia_drm_gem_prime_fence_signal if (force || nv_fence_ready_to_signal(nv_fence)) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_signal(&nv_fence->base); +#else + dma_fence_signal(&nv_fence->base); +#endif nv_gem->fenceContext.softFence = NULL; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_put(&nv_fence->base); +#else + dma_fence_put(&nv_fence->base); +#endif nvKms->disableChannelEvent(nv_dev->pDevice, nv_gem->fenceContext.cb); @@ -320,7 +376,11 @@ static void nvidia_drm_gem_prime_fence_signal nv_fence = container_of(fence, struct nv_fence, base); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_signal(&nv_fence->base); +#else + dma_fence_signal(&nv_fence->base); +#endif } } @@ -513,7 +573,11 @@ int nvidia_drm_gem_prime_fence_init * fence_context_alloc() cannot fail, so we do not need to check a return * value. */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) nv_gem->fenceContext.context = fence_context_alloc(1); +#else + nv_gem->fenceContext.context = dma_fence_context_alloc(1); +#endif ret = nvidia_drm_gem_prime_fence_import_semaphore( nv_dev, nv_gem, p->index, @@ -670,7 +734,11 @@ int nvidia_drm_gem_prime_fence_attach nv_fence->nv_gem = nv_gem; spin_lock_init(&nv_fence->lock); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_init(&nv_fence->base, &nvidia_drm_gem_prime_fence_ops, +#else + dma_fence_init(&nv_fence->base, &nvidia_drm_gem_prime_fence_ops, +#endif &nv_fence->lock, nv_gem->fenceContext.context, p->sem_thresh); @@ -680,7 +748,11 @@ int nvidia_drm_gem_prime_fence_attach reservation_object_add_excl_fence(&nv_gem->fenceContext.resv, &nv_fence->base); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) fence_put(&nv_fence->base); /* Reservation object has reference */ +#else + dma_fence_put(&nv_fence->base); +#endif ret = 0; diff --git a/kernel/nvidia-drm/nvidia-drm-gem.h b/kernel/nvidia-drm/nvidia-drm-gem.h index 4ff45e8..394576b 100644 --- a/kernel/nvidia-drm/nvidia-drm-gem.h +++ b/kernel/nvidia-drm/nvidia-drm-gem.h @@ -29,6 +29,8 @@ #include "nvidia-drm-priv.h" +#include + #include #include "nvkms-kapi.h" @@ -98,7 +100,11 @@ struct nvidia_drm_gem_object /* Software signaling structures */ struct NvKmsKapiChannelEvent *cb; struct nvidia_drm_gem_prime_soft_fence_event_args *cbArgs; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) struct fence *softFence; /* Fence for software signaling */ +#else + struct dma_fence *softFence; +#endif } fenceContext; #endif }; diff --git a/kernel/nvidia-drm/nvidia-drm-priv.h b/kernel/nvidia-drm/nvidia-drm-priv.h index 1e9b9f9..ae171e7 100644 --- a/kernel/nvidia-drm/nvidia-drm-priv.h +++ b/kernel/nvidia-drm/nvidia-drm-priv.h @@ -25,6 +25,8 @@ #include "conftest.h" /* NV_DRM_AVAILABLE */ +#include + #if defined(NV_DRM_AVAILABLE) #include @@ -34,7 +36,12 @@ #endif #if defined(NV_DRM_DRIVER_HAS_GEM_PRIME_RES_OBJ) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) #include +#else +#include +#endif + #include #endif diff --git a/kernel/nvidia/nv-pat.c b/kernel/nvidia/nv-pat.c index df78020..0af7d47 100644 --- a/kernel/nvidia/nv-pat.c +++ b/kernel/nvidia/nv-pat.c @@ -203,6 +203,7 @@ void nv_disable_pat_support(void) } #if defined(NV_ENABLE_PAT_SUPPORT) && defined(NV_ENABLE_HOTPLUG_CPU) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) static int nvidia_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { @@ -234,6 +235,34 @@ static struct notifier_block nv_hotcpu_nfb = { .notifier_call = nvidia_cpu_callback, .priority = 0 }; +#else +static int nvidia_cpu_online(unsigned int hcpu) +{ + unsigned int cpu = get_cpu(); + if (cpu == hcpu) + nv_setup_pat_entries(NULL); + else + NV_SMP_CALL_FUNCTION(nv_setup_pat_entries, (void *)(long int)hcpu, 1); + + put_cpu(); + + return 0; +} + +static int nvidia_cpu_down_prep(unsigned int hcpu) +{ + unsigned int cpu = get_cpu(); + if (cpu == hcpu) + nv_restore_pat_entries(NULL); + else + NV_SMP_CALL_FUNCTION(nv_restore_pat_entries, (void *)(long int)hcpu, 1); + + put_cpu(); + + return 0; +} +#endif + #endif int nv_init_pat_support(nvidia_stack_t *sp) @@ -255,7 +284,14 @@ int nv_init_pat_support(nvidia_stack_t *sp) #if defined(NV_ENABLE_PAT_SUPPORT) && defined(NV_ENABLE_HOTPLUG_CPU) if (nv_pat_mode == NV_PAT_MODE_BUILTIN) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) if (register_hotcpu_notifier(&nv_hotcpu_nfb) != 0) +#else + if (cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, + "gpu/nvidia:online", + nvidia_cpu_online, + nvidia_cpu_down_prep) != 0) +#endif { nv_disable_pat_support(); nv_printf(NV_DBG_ERRORS, @@ -280,7 +316,11 @@ void nv_teardown_pat_support(void) { nv_disable_pat_support(); #if defined(NV_ENABLE_PAT_SUPPORT) && defined(NV_ENABLE_HOTPLUG_CPU) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) unregister_hotcpu_notifier(&nv_hotcpu_nfb); +#else + cpuhp_remove_state_nocalls(CPUHP_AP_ONLINE_DYN); +#endif #endif } } -- 2.7.4