[PATCH 290/459] drm/amdgpu/VCN2.0: add DPG mode start and stop (v2)
Alex Deucher
alexdeucher at gmail.com
Mon Jun 17 19:30:57 UTC 2019
From: Leo Liu <leo.liu at amd.com>
This is for using SRAM directly
v2: rebase (Alex)
Signed-off-by: Leo Liu <leo.liu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: James Zhu <James.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 299 +++++++++++++++++++++++++-
1 file changed, 296 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 5782f79dbe04..3068b0870c8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -66,6 +66,11 @@
#define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR 0x18000
+#define mmUVD_RBC_XX_IB_REG_CHECK 0x026b
+#define mmUVD_RBC_XX_IB_REG_CHECK_BASE_IDX 1
+#define mmUVD_REG_XX_MASK 0x026c
+#define mmUVD_REG_XX_MASK_BASE_IDX 1
+
static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev);
static void vcn_v2_0_set_jpeg_ring_funcs(struct amdgpu_device *adev);
@@ -257,7 +262,8 @@ static int vcn_v2_0_hw_init(void *handle)
done:
if (!r)
- DRM_INFO("VCN decode and encode initialized successfully.\n");
+ DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
+ (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
return r;
}
@@ -275,8 +281,9 @@ static int vcn_v2_0_hw_fini(void *handle)
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
int i;
- if (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
- RREG32_SOC15(VCN, 0, mmUVD_STATUS))
+ if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
+ (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
+ RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
ring->sched.ready = false;
@@ -389,6 +396,77 @@ static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
WREG32_SOC15(UVD, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
}
+static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
+{
+ 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_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ offset = 0;
+ } else {
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.gpu_addr), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.gpu_addr), 0, indirect);
+ offset = size;
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
+ AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
+ }
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+
+ /* cache window 1: stack */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.gpu_addr + offset), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.gpu_addr + offset), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
+
+ /* cache window 2: context */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
+
+ /* non-cache window */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect);
+
+ /* VCN global tiling registers */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
+}
+
/**
* vcn_v2_0_disable_clock_gating - disable VCN clock gating
*
@@ -499,6 +577,54 @@ static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev)
WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
}
+static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
+ uint8_t sram_sel, uint8_t indirect)
+{
+ uint32_t reg_data = 0;
+
+ /* enable sw clock gating control */
+ if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
+ reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ else
+ reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+ reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+ reg_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);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
+
+ /* turn off clock gating */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
+
+ /* turn on SUVD clock gating */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
+
+ /* turn on sw mode in UVD_SUVD_CGC_CTRL */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
+}
+
/**
* jpeg_v2_0_start - start JPEG block
*
@@ -768,6 +894,124 @@ static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
}
}
+static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
+{
+ struct amdgpu_ring *ring = &adev->vcn.ring_dec;
+ uint32_t rb_bufsz, tmp;
+
+ vcn_v2_0_enable_static_power_gating(adev);
+
+ /* enable dynamic power gating mode */
+ tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
+ tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
+ tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
+ WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
+
+ /* enable clock gating */
+ vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
+
+ /* enable VCPU clock */
+ tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
+ tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
+ tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
+
+ /* disable master interupt */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
+
+ /* setup mmUVD_LMI_CTRL */
+ tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
+ UVD_LMI_CTRL__REQ_MODE_MASK |
+ UVD_LMI_CTRL__CRC_RESET_MASK |
+ UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
+ UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
+ UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
+ (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
+ 0x00100000L);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_MPC_CNTL),
+ 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ 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)), 0, indirect);
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ 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)), 0, indirect);
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ 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)), 0, indirect);
+
+ vcn_v2_0_mc_resume_dpg_mode(adev, indirect);
+
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
+
+ /* release VCPU reset to boot */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect);
+
+ /* enable LMI MC and UMC channels */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_LMI_CTRL2),
+ 0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect);
+
+ /* enable master interrupt */
+ WREG32_SOC15_DPG_MODE_2_0(SOC15_DPG_MODE_OFFSET_2_0(
+ UVD, 0, mmUVD_MASTINT_EN),
+ UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
+
+ /* 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);
+
+ /* set the write pointer delay */
+ WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
+
+ /* set the wb address */
+ WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
+ (upper_32_bits(ring->gpu_addr) >> 2));
+
+ /* 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);
+
+ WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
+
+ ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
+ WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
+ lower_32_bits(ring->wptr));
+
+ return 0;
+}
+
static int vcn_v2_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
@@ -778,6 +1022,13 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, true);
+ if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+ r = vcn_v2_0_start_dpg_mode(adev, 0);
+ if (r)
+ return r;
+ goto jpeg;
+ }
+
vcn_v2_0_disable_static_power_gating(adev);
/* set uvd status busy */
@@ -928,11 +1179,44 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
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);
+jpeg:
r = jpeg_v2_0_start(adev);
return r;
}
+static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
+{
+ int ret_code = 0;
+ uint32_t tmp;
+
+ /* Wait for power status to be 1 */
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
+ UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+
+ /* wait for read ptr to be equal to write ptr */
+ tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+
+ tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+
+ tmp = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_JRBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+
+ tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+
+ SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
+ UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+
+ /* disable dynamic power gating mode */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
+ ~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
+
+ return 0;
+}
+
static int vcn_v2_0_stop(struct amdgpu_device *adev)
{
uint32_t tmp;
@@ -941,6 +1225,14 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
r = jpeg_v2_0_stop(adev);
if (r)
return r;
+
+ if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+ r = vcn_v2_0_stop_dpg_mode(adev);
+ if (r)
+ return r;
+ goto power_off;
+ }
+
/* wait for uvd idle */
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
if (r)
@@ -990,6 +1282,7 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
vcn_v2_0_enable_clock_gating(adev);
vcn_v2_0_enable_static_power_gating(adev);
+power_off:
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, false);
--
2.20.1
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