From 08dcc57fcd240922347c8a9f14d18e67a3f9f1a9 Mon Sep 17 00:00:00 2001 From: Ben Goz Date: Fri, 2 Jan 2015 23:43:19 +0200 Subject: [PATCH] drm/radeon: Initialize compute vmid This patch moves to radeon the initialization of compute vmid. That initializations was done in kfd-->kgd interface, but doing it in radeon as part of radeon's H/W initialization routines is more appropriate. In addition, this simplifies the kfd-->kgd interface. The patch removes the function from the interface file and from the interface declaration file. The function initializes memory apertures to fixed base/limit address and non cached memory types. Signed-off-by: Ben Goz Signed-off-by: Oded Gabbay Reviewed-by: Alex Deucher --- .../gpu/drm/amd/include/kgd_kfd_interface.h | 4 -- drivers/gpu/drm/radeon/cik.c | 24 ++++++++++++ drivers/gpu/drm/radeon/radeon_kfd.c | 39 ------------------- 3 files changed, 24 insertions(+), 43 deletions(-) diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index cd3878fe6f77..883499740e33 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -129,9 +129,6 @@ struct kgd2kfd_calls { * @set_pasid_vmid_mapping: Exposes pasid/vmid pair to the H/W for no cp * scheduling mode. Only used for no cp scheduling mode. * - * @init_memory: Initializes memory apertures to fixed base/limit address - * and non cached memory types. - * * @init_pipeline: Initialized the compute pipelines. * * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp @@ -175,7 +172,6 @@ struct kfd2kgd_calls { int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, unsigned int pasid, unsigned int vmid); - int (*init_memory)(struct kgd_dev *kgd); int (*init_pipeline)(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 6dcde3798b45..14d173e2a8f7 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -5707,6 +5707,28 @@ void cik_pcie_gart_tlb_flush(struct radeon_device *rdev) WREG32(VM_INVALIDATE_REQUEST, 0x1); } +static void cik_pcie_init_compute_vmid(struct radeon_device *rdev) +{ + int i; + uint32_t sh_mem_bases, sh_mem_config; + + sh_mem_bases = 0x6000 | 0x6000 << 16; + sh_mem_config = ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED); + sh_mem_config |= DEFAULT_MTYPE(MTYPE_NONCACHED); + + mutex_lock(&rdev->srbm_mutex); + for (i = 8; i < 16; i++) { + cik_srbm_select(rdev, 0, 0, 0, i); + /* CP and shaders */ + WREG32(SH_MEM_CONFIG, sh_mem_config); + WREG32(SH_MEM_APE1_BASE, 1); + WREG32(SH_MEM_APE1_LIMIT, 0); + WREG32(SH_MEM_BASES, sh_mem_bases); + } + cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); +} + /** * cik_pcie_gart_enable - gart enable * @@ -5820,6 +5842,8 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) cik_srbm_select(rdev, 0, 0, 0, 0); mutex_unlock(&rdev->srbm_mutex); + cik_pcie_init_compute_vmid(rdev); + cik_pcie_gart_tlb_flush(rdev); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(rdev->mc.gtt_size >> 20), diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c index cae11eefecf0..13e8066aef70 100644 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ b/drivers/gpu/drm/radeon/radeon_kfd.c @@ -63,8 +63,6 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, unsigned int vmid); -static int kgd_init_memory(struct kgd_dev *kgd); - static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr); @@ -89,7 +87,6 @@ static const struct kfd2kgd_calls kfd2kgd = { .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, - .init_memory = kgd_init_memory, .init_pipeline = kgd_init_pipeline, .hqd_load = kgd_hqd_load, .hqd_sdma_load = kgd_hqd_sdma_load, @@ -375,42 +372,6 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, return 0; } -static int kgd_init_memory(struct kgd_dev *kgd) -{ - /* - * Configure apertures: - * LDS: 0x60000000'00000000 - 0x60000001'00000000 (4GB) - * Scratch: 0x60000001'00000000 - 0x60000002'00000000 (4GB) - * GPUVM: 0x60010000'00000000 - 0x60020000'00000000 (1TB) - */ - int i; - uint32_t sh_mem_bases = PRIVATE_BASE(0x6000) | SHARED_BASE(0x6000); - - for (i = 8; i < 16; i++) { - uint32_t sh_mem_config; - - lock_srbm(kgd, 0, 0, 0, i); - - sh_mem_config = ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED); - sh_mem_config |= DEFAULT_MTYPE(MTYPE_NONCACHED); - - write_register(kgd, SH_MEM_CONFIG, sh_mem_config); - - write_register(kgd, SH_MEM_BASES, sh_mem_bases); - - /* Scratch aperture is not supported for now. */ - write_register(kgd, SH_STATIC_MEM_CONFIG, 0); - - /* APE1 disabled for now. */ - write_register(kgd, SH_MEM_APE1_BASE, 1); - write_register(kgd, SH_MEM_APE1_LIMIT, 0); - - unlock_srbm(kgd); - } - - return 0; -} - static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr) { -- 2.34.1