On Mon, Oct 26, 2020 at 10:43 PM Evan Quan <evan.quan@xxxxxxx> wrote:
>
> Which can be used for S4(hibernation) support.
>
> Change-Id: I6e4962c120a3baed14cea04ed1742ff11a273d34
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/cik.c | 4 +++-
> drivers/gpu/drm/amd/pm/powerplay/hwmgr/ci_baco.c | 7 ++++---
> 2 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
> index 03ff8bd1fee8..5442df094102 100644
> --- a/drivers/gpu/drm/amd/amdgpu/cik.c
> +++ b/drivers/gpu/drm/amd/amdgpu/cik.c
> @@ -1336,11 +1336,13 @@ cik_asic_reset_method(struct amdgpu_device *adev)
>
> switch (adev->asic_type) {
> case CHIP_BONAIRE:
> - case CHIP_HAWAII:
> /* disable baco reset until it works */
> /* smu7_asic_get_baco_capability(adev, &baco_reset); */
> baco_reset = false;
> break;
> + case CHIP_HAWAII:
> + baco_reset = cik_asic_supports_baco(adev);
> + break;
> default:
> baco_reset = false;
> break;
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ci_baco.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ci_baco.c
> index 3be40114e63d..45f608838f6e 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ci_baco.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ci_baco.c
> @@ -142,12 +142,12 @@ static const struct baco_cmd_entry exit_baco_tbl[] =
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_BCLK_OFF_MASK, BACO_CNTL__BACO_BCLK_OFF__SHIFT, 0, 0x00 },
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, BACO_CNTL__BACO_POWER_OFF__SHIFT, 0, 0x00 },
> { CMD_DELAY_MS, 0, 0, 0, 20, 0 },
> - { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_BF_MASK, 0, 0xffffffff, 0x20 },
> + { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_BF_MASK, 0, 0xffffffff, 0x200 },
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ISO_DIS_MASK, BACO_CNTL__BACO_ISO_DIS__SHIFT, 0, 0x01 },
> - { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_MASK, 0, 5, 0x1c },
> + { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_MASK, 0, 5, 0x1c00 },
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ANA_ISO_DIS_MASK, BACO_CNTL__BACO_ANA_ISO_DIS__SHIFT, 0, 0x01 },
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_RESET_EN_MASK, BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 0x00 },
> - { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__RCU_BIF_CONFIG_DONE_MASK, 0, 5, 0x10 },
> + { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__RCU_BIF_CONFIG_DONE_MASK, 0, 5, 0x100 },
> { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_EN_MASK, BACO_CNTL__BACO_EN__SHIFT, 0, 0x00 },
> { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_MODE_MASK, 0, 0xffffffff, 0x00 }
> };
> @@ -155,6 +155,7 @@ static const struct baco_cmd_entry exit_baco_tbl[] =
> static const struct baco_cmd_entry clean_baco_tbl[] =
> {
> { CMD_WRITE, mmBIOS_SCRATCH_6, 0, 0, 0, 0 },
> + { CMD_WRITE, mmBIOS_SCRATCH_7, 0, 0, 0, 0 },
> { CMD_WRITE, mmCP_PFP_UCODE_ADDR, 0, 0, 0, 0 }
> };
The changes to this file look like a bug fix. Can you break that out
as a separate patch?
Alex
>
> --
> 2.29.0
>
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