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Commit b1d2d5e8 authored by Eric Huang's avatar Eric Huang Committed by Tim Gardner
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drm/amd/amdgpu: add uvd6.0 clock gating support. (v2) 

BugLink: http://bugs.launchpad.net/bugs/1546572

v2: fix bug in register mask setting.
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 9b08a306)
Signed-off-by: default avatarAlberto Milone <alberto.milone@canonical.com>
Signed-off-by: default avatarTim Gardner <tim.gardner@canonical.com>
parent b8ca7c77
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Showing with 259 additions and 2 deletions
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
View file @ b1d2d5e8
......@@ -279,6 +279,234 @@ static void uvd_v6_0_mc_resume(struct amdgpu_device *adev)
WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
}
static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev,
bool enable)
{
u32 data, data1;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
if (enable) {
data |= UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK;
data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK;
} else {
data &= ~(UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__LMI_UMC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK);
data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK);
}
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
static void tonga_set_uvd_clock_gating_branches(struct amdgpu_device *adev,
bool enable)
{
u32 data, data1;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
if (enable) {
data |= UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK;
data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK;
} else {
data &= ~(UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__LMI_UMC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK);
data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK);
}
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
static void uvd_v6_0_set_uvd_dynamic_clock_mode(struct amdgpu_device *adev,
bool swmode)
{
u32 data, data1 = 0, data2;
/* Always un-gate UVD REGS bit */
data = RREG32(mmUVD_CGC_GATE);
data &= ~(UVD_CGC_GATE__REGS_MASK);
WREG32(mmUVD_CGC_GATE, data);
data = RREG32(mmUVD_CGC_CTRL);
data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK |
UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER) |
4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY);
data2 = RREG32(mmUVD_SUVD_CGC_CTRL);
if (swmode) {
data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
UVD_CGC_CTRL__SYS_MODE_MASK |
UVD_CGC_CTRL__UDEC_MODE_MASK |
UVD_CGC_CTRL__MPEG2_MODE_MASK |
UVD_CGC_CTRL__REGS_MODE_MASK |
UVD_CGC_CTRL__RBC_MODE_MASK |
UVD_CGC_CTRL__LMI_MC_MODE_MASK |
UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
UVD_CGC_CTRL__IDCT_MODE_MASK |
UVD_CGC_CTRL__MPRD_MODE_MASK |
UVD_CGC_CTRL__MPC_MODE_MASK |
UVD_CGC_CTRL__LBSI_MODE_MASK |
UVD_CGC_CTRL__LRBBM_MODE_MASK |
UVD_CGC_CTRL__WCB_MODE_MASK |
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__JPEG_MODE_MASK |
UVD_CGC_CTRL__SCPU_MODE_MASK);
data1 |= UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK;
data1 &= ~UVD_CGC_CTRL2__GATER_DIV_ID_MASK;
data1 |= 7 << REG_FIELD_SHIFT(UVD_CGC_CTRL2, GATER_DIV_ID);
data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
UVD_SUVD_CGC_CTRL__SDB_MODE_MASK);
} else {
data |= UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
UVD_CGC_CTRL__SYS_MODE_MASK |
UVD_CGC_CTRL__UDEC_MODE_MASK |
UVD_CGC_CTRL__MPEG2_MODE_MASK |
UVD_CGC_CTRL__REGS_MODE_MASK |
UVD_CGC_CTRL__RBC_MODE_MASK |
UVD_CGC_CTRL__LMI_MC_MODE_MASK |
UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
UVD_CGC_CTRL__IDCT_MODE_MASK |
UVD_CGC_CTRL__MPRD_MODE_MASK |
UVD_CGC_CTRL__MPC_MODE_MASK |
UVD_CGC_CTRL__LBSI_MODE_MASK |
UVD_CGC_CTRL__LRBBM_MODE_MASK |
UVD_CGC_CTRL__WCB_MODE_MASK |
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__SCPU_MODE_MASK;
data2 |= UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
UVD_SUVD_CGC_CTRL__SDB_MODE_MASK;
}
WREG32(mmUVD_CGC_CTRL, data);
WREG32(mmUVD_SUVD_CGC_CTRL, data2);
data = RREG32_UVD_CTX(ixUVD_CGC_CTRL2);
data &= ~(REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID));
data1 &= (REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID));
data |= data1;
WREG32_UVD_CTX(ixUVD_CGC_CTRL2, data);
}
/**
* uvd_v6_0_start - start UVD block
*
......@@ -303,8 +531,19 @@ static int uvd_v6_0_start(struct amdgpu_device *adev)
uvd_v6_0_mc_resume(adev);
/* disable clock gating */
WREG32(mmUVD_CGC_GATE, 0);
/* Set dynamic clock gating in S/W control mode */
if (adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG) {
if (adev->flags & AMD_IS_APU)
cz_set_uvd_clock_gating_branches(adev, false);
else
tonga_set_uvd_clock_gating_branches(adev, false);
uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true);
} else {
/* disable clock gating */
uint32_t data = RREG32(mmUVD_CGC_CTRL);
data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
WREG32(mmUVD_CGC_CTRL, data);
}
/* disable interupt */
WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
......@@ -758,6 +997,24 @@ static int uvd_v6_0_process_interrupt(struct amdgpu_device *adev,
static int uvd_v6_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG))
return 0;
if (enable) {
if (adev->flags & AMD_IS_APU)
cz_set_uvd_clock_gating_branches(adev, enable);
else
tonga_set_uvd_clock_gating_branches(adev, enable);
uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true);
} else {
uint32_t data = RREG32(mmUVD_CGC_CTRL);
data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
WREG32(mmUVD_CGC_CTRL, data);
}
return 0;
}
......
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