From: Hawking Zhang Date: Tue, 17 Sep 2019 22:46:54 +0000 (+0800) Subject: drm/amdgpu: do not init mec2 jt for renoir X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fec6a08aaec58b60659c68723d774b6779e44e64;p=linux.git 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 Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index bc46a429b4dcd..17af26ee5a7f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -1396,10 +1396,6 @@ out: 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 f4e19b2c4f1c7..2cb1efa281616 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1324,7 +1324,8 @@ 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;