diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1367-drm-amd-powerplay-implement-smu_init-fini-_fb_alloca.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1367-drm-amd-powerplay-implement-smu_init-fini-_fb_alloca.patch | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1367-drm-amd-powerplay-implement-smu_init-fini-_fb_alloca.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1367-drm-amd-powerplay-implement-smu_init-fini-_fb_alloca.patch new file mode 100644 index 00000000..07bcf6dc --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1367-drm-amd-powerplay-implement-smu_init-fini-_fb_alloca.patch @@ -0,0 +1,104 @@ +From 32db1448e07f0e687734875f351bc7a59da7c84d Mon Sep 17 00:00:00 2001 +From: Kevin Wang <Kevin1.Wang@amd.com> +Date: Fri, 14 Dec 2018 18:34:20 +0800 +Subject: [PATCH 1367/2940] drm/amd/powerplay: implement + smu_init(fini)_fb_allocations function + +This patch implements smu_init_fb_allocations/smu_fini_fb_allocations function +for smu to reserve the BOs for smc tables. + +Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 60 +++++++++++++++++++++- + 1 file changed, 59 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index b275139ae96b..ef377ef0e389 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -178,10 +178,63 @@ static int smu_sw_fini(void *handle) + + static int smu_init_fb_allocations(struct smu_context *smu) + { +- /* TODO */ ++ struct amdgpu_device *adev = smu->adev; ++ struct smu_table_context *smu_table = &smu->smu_table; ++ struct smu_table *tables = smu_table->tables; ++ uint32_t table_count = smu_table->table_count; ++ uint32_t i = 0; ++ int32_t ret = 0; ++ ++ if (table_count <= 0) ++ return -EINVAL; ++ ++ for (i = 0 ; i < table_count; i++) { ++ if (tables[i].size == 0) ++ continue; ++ ret = amdgpu_bo_create_kernel(adev, ++ tables[i].size, ++ tables[i].align, ++ tables[i].domain, ++ &tables[i].bo, ++ &tables[i].mc_address, ++ &tables[i].cpu_addr); ++ if (ret) ++ goto failed; ++ } ++ + return 0; ++failed: ++ for (; i > 0; i--) { ++ if (tables[i].size == 0) ++ continue; ++ amdgpu_bo_free_kernel(&tables[i].bo, ++ &tables[i].mc_address, ++ &tables[i].cpu_addr); ++ ++ } ++ return ret; + } + ++static int smu_fini_fb_allocations(struct smu_context *smu) ++{ ++ struct smu_table_context *smu_table = &smu->smu_table; ++ struct smu_table *tables = smu_table->tables; ++ uint32_t table_count = smu_table->table_count; ++ uint32_t i = 0; ++ ++ if (table_count == 0 || tables == NULL) ++ return -EINVAL; ++ ++ for (i = 0 ; i < table_count; i++) { ++ if (tables[i].size == 0) ++ continue; ++ amdgpu_bo_free_kernel(&tables[i].bo, ++ &tables[i].mc_address, ++ &tables[i].cpu_addr); ++ } ++ ++ return 0; ++} + static int smu_smc_table_hw_init(struct smu_context *smu) + { + int ret; +@@ -329,10 +382,15 @@ static int smu_hw_fini(void *handle) + { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct smu_context *smu = &adev->smu; ++ int ret = 0; + + if (adev->asic_type < CHIP_VEGA20) + return -EINVAL; + ++ ret = smu_fini_fb_allocations(smu); ++ if (ret) ++ return ret; ++ + return 0; + } + +-- +2.17.1 + |