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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4117-drm-amdgpu-Do-not-implement-power-on-for-SDMA-after-.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4117-drm-amdgpu-Do-not-implement-power-on-for-SDMA-after-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4117-drm-amdgpu-Do-not-implement-power-on-for-SDMA-after-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4117-drm-amdgpu-Do-not-implement-power-on-for-SDMA-after-.patch new file mode 100644 index 00000000..3bdc66a4 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4117-drm-amdgpu-Do-not-implement-power-on-for-SDMA-after-.patch @@ -0,0 +1,35 @@ +From a6ee800e9b828b18b24f685e85de0aa79ee36fcb Mon Sep 17 00:00:00 2001 +From: chen gong <curry.gong@amd.com> +Date: Sun, 29 Sep 2019 10:58:43 +0800 +Subject: [PATCH 4117/4736] drm/amdgpu: Do not implement power-on for SDMA + after do mode2 reset on Renoir + +Find that ring sdma0 test failed if turn on SDMA powergating after do +mode2 reset. + +Perhaps the mode2 reset does not reset the SDMA PG state, SDMA is +already powered up so there is no need to ask the SMU to power it up +again. So I skip this function for a moment. + +Signed-off-by: chen gong <curry.gong@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +index 26f13de35b2c..78e21c12c17a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +@@ -1792,7 +1792,7 @@ static int sdma_v4_0_hw_init(void *handle) + + if ((adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->set_powergating_by_smu) || +- adev->asic_type == CHIP_RENOIR) ++ (adev->asic_type == CHIP_RENOIR && !adev->in_gpu_reset)) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false); + + if (!amdgpu_sriov_vf(adev)) +-- +2.17.1 + |