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From c33a4cf13aff4cdcef3fdc3426ed18f5a3d4c9ef Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 15 Feb 2019 11:56:56 -0500
Subject: [PATCH 4157/4736] drm/amdgpu/powerplay: add support for BACO on
Iceland
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This adds BACO support for Iceland asics.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/powerplay/hwmgr/tonga_baco.c | 54 ++++++++++++++++---
1 file changed, 48 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.c
index 37a41b83c913..84b7217b7bda 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.c
@@ -152,6 +152,36 @@ static const struct baco_cmd_entry clean_baco_tbl[] =
{ CMD_WRITE, mmBIOS_SCRATCH_7, 0, 0, 0, 0 }
};
+static const struct baco_cmd_entry gpio_tbl_iceland[] =
+{
+ { CMD_WRITE, mmGPIOPAD_EN, 0, 0, 0, 0x0 },
+ { CMD_WRITE, mmGPIOPAD_PD_EN, 0, 0, 0, 0x0 },
+ { CMD_WRITE, mmGPIOPAD_PU_EN, 0, 0, 0, 0x0 },
+ { CMD_WRITE, mmGPIOPAD_MASK, 0, 0, 0, 0xff77ffff }
+};
+
+static const struct baco_cmd_entry exit_baco_tbl_iceland[] =
+{
+ { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_RESET_EN_MASK, BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 0x01 },
+ { 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, 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, 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_BIF_SCLK_SWITCH_MASK, BACO_CNTL__BACO_BIF_SCLK_SWITCH__SHIFT, 0, 0x00 },
+ { 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, 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 }
+};
+
+static const struct baco_cmd_entry clean_baco_tbl_iceland[] =
+{
+ { CMD_WRITE, mmBIOS_SCRATCH_7, 0, 0, 0, 0 }
+};
+
int tonga_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap)
{
struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
@@ -195,7 +225,10 @@ int tonga_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
return 0;
if (state == BACO_STATE_IN) {
- baco_program_registers(hwmgr, gpio_tbl, ARRAY_SIZE(gpio_tbl));
+ if (hwmgr->chip_id == CHIP_TOPAZ)
+ baco_program_registers(hwmgr, gpio_tbl_iceland, ARRAY_SIZE(gpio_tbl_iceland));
+ else
+ baco_program_registers(hwmgr, gpio_tbl, ARRAY_SIZE(gpio_tbl));
baco_program_registers(hwmgr, enable_fb_req_rej_tbl,
ARRAY_SIZE(enable_fb_req_rej_tbl));
baco_program_registers(hwmgr, use_bclk_tbl, ARRAY_SIZE(use_bclk_tbl));
@@ -209,11 +242,20 @@ int tonga_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
/* HW requires at least 20ms between regulator off and on */
msleep(20);
/* Execute Hardware BACO exit sequence */
- if (baco_program_registers(hwmgr, exit_baco_tbl,
- ARRAY_SIZE(exit_baco_tbl))) {
- if (baco_program_registers(hwmgr, clean_baco_tbl,
- ARRAY_SIZE(clean_baco_tbl)))
- return 0;
+ if (hwmgr->chip_id == CHIP_TOPAZ) {
+ if (baco_program_registers(hwmgr, exit_baco_tbl_iceland,
+ ARRAY_SIZE(exit_baco_tbl_iceland))) {
+ if (baco_program_registers(hwmgr, clean_baco_tbl_iceland,
+ ARRAY_SIZE(clean_baco_tbl_iceland)))
+ return 0;
+ }
+ } else {
+ if (baco_program_registers(hwmgr, exit_baco_tbl,
+ ARRAY_SIZE(exit_baco_tbl))) {
+ if (baco_program_registers(hwmgr, clean_baco_tbl,
+ ARRAY_SIZE(clean_baco_tbl)))
+ return 0;
+ }
}
}
--
2.17.1
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