On 2019-10-08 3:29 p.m., Alex Deucher wrote:
> From: "Tianci.Yin" <[email protected]>
>
> introduce psp_v11_0_is_sos_alive func for common use.
>
> Change-Id: Iee0a6dd924d6a4b164eb751c0bec49fcb7d79483
> Reviewed-by: Alex Deucher <[email protected]>
> Signed-off-by: Tianci.Yin <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 22 +++++++++++++---------
> 1 file changed, 13 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> index 04318cfd50a8..e74a952a3f7c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
> @@ -206,18 +206,26 @@ static int psp_v11_0_init_microcode(struct psp_context
> *psp)
> return err;
> }
>
> +static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
> +{
> + struct amdgpu_device *adev = psp->adev;
> + uint32_t sol_reg;
> +
> + sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
> +
> + return (sol_reg != 0x0);
Parenthesis are unnecessary in the return and not in LKCS.
Regards,
Luben
> +}
> +
> static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
> {
> int ret;
> uint32_t psp_gfxdrv_command_reg = 0;
> struct amdgpu_device *adev = psp->adev;
> - uint32_t sol_reg;
>
> /* Check tOS sign of life register to confirm sys driver and sOS
> * are already been loaded.
> */
> - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
> - if (sol_reg) {
> + if (psp_v11_0_is_sos_alive(psp)) {
> psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
> dev_info(adev->dev, "sos fw version = 0x%x.\n",
> psp->sos_fw_version);
> return 0;
> @@ -253,13 +261,11 @@ static int psp_v11_0_bootloader_load_sysdrv(struct
> psp_context *psp)
> int ret;
> uint32_t psp_gfxdrv_command_reg = 0;
> struct amdgpu_device *adev = psp->adev;
> - uint32_t sol_reg;
>
> /* Check sOS sign of life register to confirm sys driver and sOS
> * are already been loaded.
> */
> - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
> - if (sol_reg) {
> + if (psp_v11_0_is_sos_alive(psp)) {
> psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
> dev_info(adev->dev, "sos fw version = 0x%x.\n",
> psp->sos_fw_version);
> return 0;
> @@ -297,13 +303,11 @@ static int psp_v11_0_bootloader_load_sos(struct
> psp_context *psp)
> int ret;
> unsigned int psp_gfxdrv_command_reg = 0;
> struct amdgpu_device *adev = psp->adev;
> - uint32_t sol_reg;
>
> /* Check sOS sign of life register to confirm sys driver and sOS
> * are already been loaded.
> */
> - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
> - if (sol_reg)
> + if (psp_v11_0_is_sos_alive(psp))
> return 0;
>
> /* Wait for bootloader to signify that is ready having bit 31 of
> C2PMSG_35 set to 1 */
>
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