diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2412-drm-amdgpu-VCN-add-buffer-for-indirect-SRAM-usage.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2412-drm-amdgpu-VCN-add-buffer-for-indirect-SRAM-usage.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2412-drm-amdgpu-VCN-add-buffer-for-indirect-SRAM-usage.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2412-drm-amdgpu-VCN-add-buffer-for-indirect-SRAM-usage.patch new file mode 100644 index 00000000..48dad419 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2412-drm-amdgpu-VCN-add-buffer-for-indirect-SRAM-usage.patch @@ -0,0 +1,69 @@ +From cba4597bd215b5e496885157f5b11366913712d4 Mon Sep 17 00:00:00 2001 +From: Leo Liu <leo.liu@amd.com> +Date: Fri, 24 May 2019 14:07:41 -0400 +Subject: [PATCH 2412/2940] drm/amdgpu/VCN: add buffer for indirect SRAM usage + +This will be used later for indirect SRAM mode + +Signed-off-by: Leo Liu <leo.liu@amd.com> +Reviewed-by: James Zhu <James.Zhu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 16 ++++++++++++++++ + drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 6 ++++++ + 2 files changed, 22 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +index d0b95e58959a..7621077378dd 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +@@ -137,6 +137,16 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev) + return r; + } + ++ if (adev->vcn.indirect_sram) { ++ r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE, ++ AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.dpg_sram_bo, ++ &adev->vcn.dpg_sram_gpu_addr, &adev->vcn.dpg_sram_cpu_addr); ++ if (r) { ++ dev_err(adev->dev, "(%d) failed to allocate DPG bo\n", r); ++ return r; ++ } ++ } ++ + return 0; + } + +@@ -146,6 +156,12 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev) + + kvfree(adev->vcn.saved_bo); + ++ if (adev->vcn.indirect_sram) { ++ amdgpu_bo_free_kernel(&adev->vcn.dpg_sram_bo, ++ &adev->vcn.dpg_sram_gpu_addr, ++ (void **)&adev->vcn.dpg_sram_cpu_addr); ++ } ++ + amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo, + &adev->vcn.gpu_addr, + (void **)&adev->vcn.cpu_addr); +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +index 5b38798f8bc3..762cffeaf301 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +@@ -164,6 +164,12 @@ struct amdgpu_vcn { + struct amdgpu_vcn_reg internal, external; + int (*pause_dpg_mode)(struct amdgpu_device *adev, + struct dpg_pause_state *new_state); ++ ++ bool indirect_sram; ++ struct amdgpu_bo *dpg_sram_bo; ++ void *dpg_sram_cpu_addr; ++ uint64_t dpg_sram_gpu_addr; ++ uint32_t *dpg_sram_curr_addr; + }; + + int amdgpu_vcn_sw_init(struct amdgpu_device *adev); +-- +2.17.1 + |