From: Tom St Denis tom.stdenis@amd.com
This patch adds support for software clock gating to UVD 5 and UVD 6 blocks with a preliminary commented out hardware gating routine.
Currently hardware gating does not work so it's not activated.
Signed-off-by: Tom St Denis tom.stdenis@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 115 ++++++++++++++ drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 281 ++++++++++++++-------------------- 2 files changed, 232 insertions(+), 164 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 16476d8..de459c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -31,6 +31,7 @@ #include "uvd/uvd_5_0_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" +#include "vi.h"
static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); @@ -754,14 +755,128 @@ static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, return 0; }
+static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data, data1, data2, suvd_flags; + + data = RREG32(mmUVD_CGC_CTRL); + data1 = RREG32(mmUVD_SUVD_CGC_GATE); + data2 = RREG32(mmUVD_SUVD_CGC_CTRL); + + data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | + UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); + + suvd_flags = 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; + + 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)); + + 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); + 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); + data1 |= suvd_flags; + + WREG32(mmUVD_CGC_CTRL, data); + WREG32(mmUVD_CGC_GATE, 0); + WREG32(mmUVD_SUVD_CGC_GATE, data1); + WREG32(mmUVD_SUVD_CGC_CTRL, data2); +} + +#if 0 +static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data, data1, cgc_flags, suvd_flags; + + data = RREG32(mmUVD_CGC_GATE); + data1 = RREG32(mmUVD_SUVD_CGC_GATE); + + cgc_flags = 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; + + suvd_flags = 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; + + data |= cgc_flags; + data1 |= suvd_flags; + + WREG32(mmUVD_CGC_GATE, data); + WREG32(mmUVD_SUVD_CGC_GATE, data1); +} +#endif + static int uvd_v5_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; + static int curstate = -1;
if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) return 0;
+ if (curstate == state) + return 0; + + curstate = state; + if (enable) { + /* disable HW gating and enable Sw gating */ + uvd_v5_0_set_sw_clock_gating(adev); + } else { + /* wait for STATUS to clear */ + if (uvd_v5_0_wait_for_idle(handle)) + return -EBUSY; + + /* enable HW gates because UVD is idle */ +/* uvd_v5_0_set_hw_clock_gating(adev); */ + } + return 0; }
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index d493791..372d70a 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -31,11 +31,13 @@ #include "uvd/uvd_6_0_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" +#include "vi.h"
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev); static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev); static int uvd_v6_0_start(struct amdgpu_device *adev); static void uvd_v6_0_stop(struct amdgpu_device *adev); +static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev);
/** * uvd_v6_0_ring_get_rptr - get read pointer @@ -284,6 +286,7 @@ static void uvd_v6_0_mc_resume(struct amdgpu_device *adev) WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); }
+#if 0 static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev, bool enable) { @@ -360,157 +363,7 @@ static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev, 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); -} +#endif
/** * uvd_v6_0_start - start UVD block @@ -538,11 +391,7 @@ static int uvd_v6_0_start(struct amdgpu_device *adev)
/* Set dynamic clock gating in S/W control mode */ if (adev->cg_flags & AMD_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); + uvd_v6_0_set_sw_clock_gating(adev); } else { /* disable clock gating */ uint32_t data = RREG32(mmUVD_CGC_CTRL); @@ -978,25 +827,129 @@ static int uvd_v6_0_process_interrupt(struct amdgpu_device *adev, return 0; }
+static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data, data1, data2, suvd_flags; + + data = RREG32(mmUVD_CGC_CTRL); + data1 = RREG32(mmUVD_SUVD_CGC_GATE); + data2 = RREG32(mmUVD_SUVD_CGC_CTRL); + + data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | + UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); + + suvd_flags = 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; + + 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)); + + 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 | + UVD_CGC_CTRL__JPEG2_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); + data1 |= suvd_flags; + + WREG32(mmUVD_CGC_CTRL, data); + WREG32(mmUVD_CGC_GATE, 0); + WREG32(mmUVD_SUVD_CGC_GATE, data1); + WREG32(mmUVD_SUVD_CGC_CTRL, data2); +} + +#if 0 +static void uvd_v6_0_set_hw_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data, data1, cgc_flags, suvd_flags; + + data = RREG32(mmUVD_CGC_GATE); + data1 = RREG32(mmUVD_SUVD_CGC_GATE); + + cgc_flags = 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 | + UVD_CGC_GATE__JPEG_MASK | + UVD_CGC_GATE__JPEG2_MASK; + + suvd_flags = 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; + + data |= cgc_flags; + data1 |= suvd_flags; + + WREG32(mmUVD_CGC_GATE, data); + WREG32(mmUVD_SUVD_CGC_GATE, data1); +} +#endif + 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; + static int curstate = -1;
if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) return 0;
+ if (curstate == state) + return 0; + + curstate = state; 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); + /* disable HW gating and enable Sw gating */ + uvd_v6_0_set_sw_clock_gating(adev); } else { - uint32_t data = RREG32(mmUVD_CGC_CTRL); - data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; - WREG32(mmUVD_CGC_CTRL, data); + /* wait for STATUS to clear */ + if (uvd_v6_0_wait_for_idle(handle)) + return -EBUSY; + + /* enable HW gates because UVD is idle */ +/* uvd_v6_0_set_hw_clock_gating(adev); */ }
return 0;