Reviewed-by: Luben Tuikov <luben.tuikov@xxxxxxx>
On 2020-07-29 04:23, Liu ChengZhe wrote:
> 1. For Navi12, CHIP_SIENNA_CICHLID, skip tmr load operation;
> 2. Check pointer before release firmware.
>
> v2: use CHIP_SIENNA_CICHLID instead
> v3: remove local "bool ret"; fix grammer issue
> v4: use my name instead of "root"
> v5: fix grammer issue and indent issue
>
> Signed-off-by: Liu ChengZhe <ChengZhe.Liu@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 35 ++++++++++++++++++++-----
> 1 file changed, 29 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index a053b7af0680..c68369731b20 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -193,12 +193,18 @@ static int psp_sw_fini(void *handle)
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>
> psp_memory_training_fini(&adev->psp);
> - release_firmware(adev->psp.sos_fw);
> - adev->psp.sos_fw = NULL;
> - release_firmware(adev->psp.asd_fw);
> - adev->psp.asd_fw = NULL;
> - release_firmware(adev->psp.ta_fw);
> - adev->psp.ta_fw = NULL;
> + if (adev->psp.sos_fw) {
> + release_firmware(adev->psp.sos_fw);
> + adev->psp.sos_fw = NULL;
> + }
> + if (adev->psp.asd_fw) {
> + release_firmware(adev->psp.asd_fw);
> + adev->psp.asd_fw = NULL;
> + }
> + if (adev->psp.ta_fw) {
> + release_firmware(adev->psp.ta_fw);
> + adev->psp.ta_fw = NULL;
> + }
>
> if (adev->asic_type == CHIP_NAVI10)
> psp_sysfs_fini(adev);
> @@ -409,11 +415,28 @@ static int psp_clear_vf_fw(struct psp_context *psp)
> return ret;
> }
>
> +static bool psp_skip_tmr(struct psp_context *psp)
> +{
> + switch (psp->adev->asic_type) {
> + case CHIP_NAVI12:
> + case CHIP_SIENNA_CICHLID:
> + return true;
> + default:
> + return false;
> + }
> +}
> +
> static int psp_tmr_load(struct psp_context *psp)
> {
> int ret;
> struct psp_gfx_cmd_resp *cmd;
>
> + /* For Navi12 and CHIP_SIENNA_CICHLID SRIOV, do not set up TMR.
> + * Already set up by host driver.
> + */
> + if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
> + return 0;
> +
> cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
> if (!cmd)
> return -ENOMEM;
>
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