drm/amdgpu: add VCN2.5 VCPU start and stop

HW engine initialization and suspend sequences.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2019-04-15 12:41:09 -04:00 committed by Alex Deucher
parent 28c17d7207
commit cbead2bdfc

View File

@ -307,6 +307,446 @@ static int vcn_v2_5_resume(void *handle)
return r;
}
/**
* vcn_v2_5_mc_resume - memory controller programming
*
* @adev: amdgpu_device pointer
*
* Let the VCN memory controller know it's offsets
*/
static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
{
uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
uint32_t offset;
/* cache window 0: fw */
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
offset = 0;
} else {
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.gpu_addr));
offset = size;
/* No signed header for now from firmware
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
*/
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
}
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
/* cache window 1: stack */
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.gpu_addr + offset));
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.gpu_addr + offset));
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
/* cache window 2: context */
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
}
/**
* vcn_v2_5_disable_clock_gating - disable VCN clock gating
*
* @adev: amdgpu_device pointer
* @sw: enable SW clock gating
*
* Disable clock gating for VCN block
*/
static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data;
int ret = 0;
/* UVD disable CGC */
data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
else
data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
data &= ~(UVD_CGC_GATE__SYS_MASK
| UVD_CGC_GATE__UDEC_MASK
| UVD_CGC_GATE__MPEG2_MASK
| UVD_CGC_GATE__REGS_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__MMSCH_MASK);
WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, ret);
data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
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__MMSCH_MODE_MASK);
WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
/* turn on */
data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
data |= (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
| UVD_SUVD_CGC_GATE__SCLR_MASK
| UVD_SUVD_CGC_GATE__UVD_SC_MASK
| UVD_SUVD_CGC_GATE__ENT_MASK
| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
| UVD_SUVD_CGC_GATE__SITE_MASK
| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
data &= ~(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
| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
}
/**
* vcn_v2_5_enable_clock_gating - enable VCN clock gating
*
* @adev: amdgpu_device pointer
* @sw: enable SW clock gating
*
* Enable clock gating for VCN block
*/
static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data = 0;
/* enable UVD CGC */
data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
else
data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
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);
WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
data |= (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
| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
}
static int vcn_v2_5_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
uint32_t rb_bufsz, tmp;
int i, j, r;
/* disable register anti-hang mechanism */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
/* set uvd status busy */
tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
/*SW clock gating */
vcn_v2_5_disable_clock_gating(adev);
/* enable VCPU clock */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
/* disable master interrupt */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
~UVD_MASTINT_EN__VCPU_EN_MASK);
/* setup mmUVD_LMI_CTRL */
tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
tmp &= ~0xff;
WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp | 0x8|
UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
/* setup mmUVD_MPC_CNTL */
tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp);
/* setup UVD_MPC_SET_MUXA0 */
WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
/* setup UVD_MPC_SET_MUXB0 */
WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
/* setup mmUVD_MPC_SET_MUX */
WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
vcn_v2_5_mc_resume(adev);
/* VCN global tiling registers */
WREG32_SOC15(UVD, 0, mmUVD_GFX8_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
WREG32_SOC15(UVD, 0, mmUVD_GFX8_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
/* enable LMI MC and UMC channels */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
/* unblock VCPU register access */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_ARB_CTRL), 0,
~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
~UVD_VCPU_CNTL__BLK_RST_MASK);
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {
status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
if (status & 2)
break;
if (amdgpu_emu_mode == 1)
msleep(500);
else
mdelay(10);
}
r = 0;
if (status & 2)
break;
DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__BLK_RST_MASK,
~UVD_VCPU_CNTL__BLK_RST_MASK);
mdelay(10);
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
~UVD_VCPU_CNTL__BLK_RST_MASK);
mdelay(10);
r = -1;
}
if (r) {
DRM_ERROR("VCN decode not responding, giving up!!!\n");
return r;
}
/* enable master interrupt */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
UVD_MASTINT_EN__VCPU_EN_MASK,
~UVD_MASTINT_EN__VCPU_EN_MASK);
/* clear the busy bit of VCN_STATUS */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0);
/* force RBC into idle state */
rb_bufsz = order_base_2(ring->ring_size);
tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
/* programm the RB_BASE for ring buffer */
WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
/* Initialize the ring buffer's read and write pointers */
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
lower_32_bits(ring->wptr));
ring = &adev->vcn.ring_enc[0];
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
ring = &adev->vcn.ring_enc[1];
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
return r;
}
static int vcn_v2_5_stop(struct amdgpu_device *adev)
{
uint32_t tmp;
int r;
/* wait for vcn idle */
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
if (r)
return r;
tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
UVD_LMI_STATUS__READ_CLEAN_MASK |
UVD_LMI_STATUS__WRITE_CLEAN_MASK |
UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp, r);
if (r)
return r;
/* block LMI UMC channel */
tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2);
tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp);
tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp, r);
if (r)
return r;
/* block VCPU register access */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_ARB_CTRL),
UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
/* reset VCPU */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__BLK_RST_MASK,
~UVD_VCPU_CNTL__BLK_RST_MASK);
/* disable VCPU clock */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
~(UVD_VCPU_CNTL__CLK_EN_MASK));
/* clear status */
WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
vcn_v2_5_enable_clock_gating(adev);
/* enable register anti-hang mechanism */
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
return 0;
}
static bool vcn_v2_5_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@ -328,13 +768,38 @@ static int vcn_v2_5_wait_for_idle(void *handle)
static int vcn_v2_5_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 (enable) {
if (vcn_v2_5_is_idle(handle))
return -EBUSY;
vcn_v2_5_enable_clock_gating(adev);
} else {
vcn_v2_5_disable_clock_gating(adev);
}
return 0;
}
static int vcn_v2_5_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int ret;
if(state == adev->vcn.cur_state)
return 0;
if (state == AMD_PG_STATE_GATE)
ret = vcn_v2_5_stop(adev);
else
ret = vcn_v2_5_start(adev);
if(!ret)
adev->vcn.cur_state = state;
return ret;
}
static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,