diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3877-drm-amdgpu-do-not-init-mec2-jt-for-renoir.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3877-drm-amdgpu-do-not-init-mec2-jt-for-renoir.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3877-drm-amdgpu-do-not-init-mec2-jt-for-renoir.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3877-drm-amdgpu-do-not-init-mec2-jt-for-renoir.patch new file mode 100644 index 00000000..adf65e5d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3877-drm-amdgpu-do-not-init-mec2-jt-for-renoir.patch @@ -0,0 +1,53 @@ +From a0c73b31b3802cae76bb4c0ac73b97359ba75909 Mon Sep 17 00:00:00 2001 +From: Hawking Zhang <Hawking.Zhang@amd.com> +Date: Wed, 18 Sep 2019 06:46:54 +0800 +Subject: [PATCH 3877/4256] drm/amdgpu: do not init mec2 jt for renoir + +For ASICs like renoir/arct, driver doesn't need to load mec2 jt. +when mec1 jt is loaded, mec2 jt will be loaded automatically +since the write is actaully broadcasted to both. + +We need to more time to test other gfx9 asic. but for now we should +be able to draw conclusion that mec2 jt is not needed for renoir and +arct. + +Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> +Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 ---- + drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++- + 2 files changed, 2 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +index f09d8cc6e557..1963e11a37c0 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +@@ -1399,10 +1399,6 @@ static int psp_np_fw_load(struct psp_context *psp) + ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT)) + /* skip mec JT when autoload is enabled */ + continue; +- /* Renoir only needs to load mec jump table one time */ +- if (adev->asic_type == CHIP_RENOIR && +- ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT) +- continue; + + psp_print_fw_hdr(psp, ucode); + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index 08f5ca346d71..946e21869a8e 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -1320,7 +1320,8 @@ static int gfx_v9_0_init_cp_compute_microcode(struct amdgpu_device *adev, + + /* TODO: Determine if MEC2 JT FW loading can be removed + for all GFX V9 asic and above */ +- if (adev->asic_type != CHIP_ARCTURUS) { ++ if (adev->asic_type != CHIP_ARCTURUS && ++ adev->asic_type != CHIP_RENOIR) { + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_MEC2_JT]; + info->ucode_id = AMDGPU_UCODE_ID_CP_MEC2_JT; + info->fw = adev->gfx.mec2_fw; +-- +2.17.1 + |