enable ASPM on navi1x and vega series
Signed-off-by: Kenneth Feng <kenneth.feng@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 128 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 125 ++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/nv.c | 10 +-
drivers/gpu/drm/amd/amdgpu/soc15.c | 7 +-
4 files changed, 259 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
index 83ea063388fd..0d2d629e2d6a 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
@@ -31,6 +31,28 @@
#include "vega10_enum.h"
#include <uapi/linux/kfd_ioctl.h>
+#define smnPCIE_LC_CNTL 0x11140280
+#define smnPCIE_LC_CNTL3 0x111402d4
+#define smnPCIE_LC_CNTL6 0x111402ec
+#define smnPCIE_LC_CNTL7 0x111402f0
+#define smnNBIF_MGCG_CTRL_LCLK 0x1013a05c
+#define NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK 0x00001000L
+#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK 0x0000FFFFL
+#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK 0xFFFF0000L
+#define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123530
+#define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c
+#define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324
+#define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4
+#define smnRCC_BIF_STRAP2 0x10123488
+#define smnRCC_BIF_STRAP3 0x1012348c
+#define smnRCC_BIF_STRAP5 0x10123494
+#define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK 0x0400L
+#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK 0x0000FFFFL
+#define RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK 0x00004000L
+#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT 0x0
+#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT 0x10
+#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT 0x0
+
static void nbio_v6_1_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
@@ -256,6 +278,111 @@ static void nbio_v6_1_init_registers(struct amdgpu_device *adev)
WREG32_PCIE(smnPCIE_CI_CNTL, data);
}
+static void nbio_v6_1_program_ltr(struct amdgpu_device *adev)
+{
+ uint32_t def, data;
+
+ WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP2);
+ data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP2, data);
+
+ def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
+ data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
+
+ def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
+ data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
+}
+
+static void nbio_v6_1_program_aspm(struct amdgpu_device *adev)
+{
+ uint32_t def, data;
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
+ data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
+ data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
+ data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
+ data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL7, data);
+
+ def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
+ data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
+ data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
+ data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
+ data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
+ data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP5, data);
+
+ def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
+ data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
+
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
+
+ def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
+ data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
+ PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
+ data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
+ data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
+ PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL6, data);
+
+ nbio_v6_1_program_ltr(adev);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
+ data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
+ data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
+ data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP5, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
+ data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
+ data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
+ data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
+ data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL3, data);
+}
+
const struct amdgpu_nbio_funcs nbio_v6_1_funcs = {
.get_hdp_flush_req_offset = nbio_v6_1_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v6_1_get_hdp_flush_done_offset,
@@ -274,4 +401,5 @@ const struct amdgpu_nbio_funcs nbio_v6_1_funcs = {
.ih_control = nbio_v6_1_ih_control,
.init_registers = nbio_v6_1_init_registers,
.remap_hdp_registers = nbio_v6_1_remap_hdp_registers,
+ .program_aspm = nbio_v6_1_program_aspm,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index af44aad78171..cef929746739 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -31,7 +31,26 @@
#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
#include <uapi/linux/kfd_ioctl.h>
+#define smnPCIE_LC_CNTL 0x11140280
+#define smnPCIE_LC_CNTL3 0x111402d4
+#define smnPCIE_LC_CNTL6 0x111402ec
+#define smnPCIE_LC_CNTL7 0x111402f0
#define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c
+#define smnRCC_BIF_STRAP3 0x1012348c
+#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK 0x0000FFFFL
+#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK 0xFFFF0000L
+#define smnRCC_BIF_STRAP5 0x10123494
+#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK 0x0000FFFFL
+#define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c
+#define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK 0x0400L
+#define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324
+#define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4
+#define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123538
+#define smnRCC_BIF_STRAP2 0x10123488
+#define RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK 0x00004000L
+#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT 0x0
+#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT 0x10
+#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT 0x0
/*
* These are nbio v7_4_1 registers mask. Temporarily define these here since
@@ -567,6 +586,111 @@ const struct amdgpu_nbio_ras_funcs nbio_v7_4_ras_funcs = {
.ras_fini = amdgpu_nbio_ras_fini,
};
+static void nbio_v7_4_program_ltr(struct amdgpu_device *adev)
+{
+ uint32_t def, data;
+
+ WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP2);
+ data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP2, data);
+
+ def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
+ data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
+
+ def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
+ data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
+}
+
+static void nbio_v7_4_program_aspm(struct amdgpu_device *adev)
+{
+ uint32_t def, data;
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
+ data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
+ data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
+ data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
+ data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL7, data);
+
+ def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
+ data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
+ data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
+ data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
+ data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
+ data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP5, data);
+
+ def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
+ data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
+
+ WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
+
+ def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
+ data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
+ PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
+ data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
+ data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
+ PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL6, data);
+
+ nbio_v7_4_program_ltr(adev);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
+ data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
+ data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP3, data);
+
+ def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
+ data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnRCC_BIF_STRAP5, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
+ data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
+ data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
+ data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL, data);
+
+ def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
+ data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
+ if (def != data)
+ WREG32_PCIE(smnPCIE_LC_CNTL3, data);
+}
+
const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
@@ -587,4 +711,5 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.ih_control = nbio_v7_4_ih_control,
.init_registers = nbio_v7_4_init_registers,
.remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
+ .program_aspm = nbio_v7_4_program_aspm,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 46d4bbabce75..d54af7f8801b 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -601,8 +601,7 @@ static void nv_program_aspm(struct amdgpu_device *adev)
if (amdgpu_aspm != 1)
return;
- if ((adev->asic_type >= CHIP_SIENNA_CICHLID) &&
- !(adev->flags & AMD_IS_APU) &&
+ if (!(adev->flags & AMD_IS_APU) &&
(adev->nbio.funcs->program_aspm))
adev->nbio.funcs->program_aspm(adev);
@@ -934,12 +933,7 @@ static int nv_update_umd_stable_pstate(struct amdgpu_device *adev,
if (adev->gfx.funcs->update_perfmon_mgcg)
adev->gfx.funcs->update_perfmon_mgcg(adev, !enter);
- /*
- * The ASPM function is not fully enabled and verified on
- * Navi yet. Temporarily skip this until ASPM enabled.
- */
- if ((adev->asic_type >= CHIP_SIENNA_CICHLID) &&
- !(adev->flags & AMD_IS_APU) &&
+ if (!(adev->flags & AMD_IS_APU) &&
(adev->nbio.funcs->enable_aspm))
adev->nbio.funcs->enable_aspm(adev, !enter);
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 5c5eb3aed1b3..d80e12b80c7e 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -816,11 +816,12 @@ static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
static void soc15_program_aspm(struct amdgpu_device *adev)
{
-
- if (amdgpu_aspm == 0)
+ if (amdgpu_aspm != 1)
return;
- /* todo */
+ if (!(adev->flags & AMD_IS_APU) &&
+ (adev->nbio.funcs->program_aspm))
+ adev->nbio.funcs->program_aspm(adev);
}
static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
--
2.17.1
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