Split the code on a per instance basis.  This will allow
us to use the per instance functions in the future to
handle more things per instance.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 436 +++++++++++++-------------
 1 file changed, 213 insertions(+), 223 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 63ddd4cca9109..a3627700ed48d 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1134,192 +1134,186 @@ static int vcn_v3_0_start_dpg_mode(struct 
amdgpu_device *adev, int inst_idx, boo
        return 0;
 }
 
-static int vcn_v3_0_start(struct amdgpu_device *adev)
+static int vcn_v3_0_start(struct amdgpu_device *adev, int i)
 {
        volatile struct amdgpu_fw_shared *fw_shared;
        struct amdgpu_ring *ring;
        uint32_t rb_bufsz, tmp;
-       int i, j, k, r;
+       int j, k, r;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_enable_vcn(adev, true, i);
-       }
+       if (adev->vcn.harvest_config & (1 << i))
+               return 0;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       if (adev->pm.dpm_enabled)
+               amdgpu_dpm_enable_vcn(adev, true, i);
 
-               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
-                       r = vcn_v3_0_start_dpg_mode(adev, i, 
adev->vcn.indirect_sram);
-                       continue;
-               }
+       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+               return vcn_v3_0_start_dpg_mode(adev, i, 
adev->vcn.indirect_sram);
 
-               /* disable VCN power gating */
-               vcn_v3_0_disable_static_power_gating(adev, i);
+       /* disable VCN power gating */
+       vcn_v3_0_disable_static_power_gating(adev, i);
 
-               /* set VCN status busy */
-               tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
-               WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
+       /* set VCN status busy */
+       tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+       WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
 
-               /*SW clock gating */
-               vcn_v3_0_disable_clock_gating(adev, i);
+       /* SW clock gating */
+       vcn_v3_0_disable_clock_gating(adev, i);
 
-               /* enable VCPU clock */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
-                       UVD_VCPU_CNTL__CLK_EN_MASK, 
~UVD_VCPU_CNTL__CLK_EN_MASK);
-
-               /* disable master interrupt */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
-                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
-
-               /* enable LMI MC and UMC channels */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
-                       ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
-
-               tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
-               tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
-               tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
-
-               /* setup mmUVD_LMI_CTRL */
-               tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
-               WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
-                       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(VCN, i, mmUVD_MPC_CNTL);
-               tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
-               tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
-               WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
-
-               /* setup UVD_MPC_SET_MUXA0 */
-               WREG32_SOC15(VCN, i, 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(VCN, i, 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(VCN, i, 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_v3_0_mc_resume(adev, i);
-
-               /* VCN global tiling registers */
-               WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
-                       adev->gfx.config.gb_addr_config);
-
-               /* unblock VCPU register access */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
-                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
-
-               /* release VCPU reset to boot */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
-                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
+       /* enable VCPU clock */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+                UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
 
-               for (j = 0; j < 10; ++j) {
-                       uint32_t status;
+       /* disable master interrupt */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
+                ~UVD_MASTINT_EN__VCPU_EN_MASK);
 
-                       for (k = 0; k < 100; ++k) {
-                               status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
-                               if (status & 2)
-                                       break;
-                               mdelay(10);
-                       }
-                       r = 0;
-                       if (status & 2)
-                               break;
+       /* enable LMI MC and UMC channels */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
+                ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 
-                       DRM_ERROR("VCN[%d] decode not responding, trying to 
reset the VCPU!!!\n", i);
-                       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
-                               UVD_VCPU_CNTL__BLK_RST_MASK,
-                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
-                       mdelay(10);
-                       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
-                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
+       tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
+       tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+       tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
+
+       /* setup mmUVD_LMI_CTRL */
+       tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
+       WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
+                    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(VCN, i, mmUVD_MPC_CNTL);
+       tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
+       tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
+       WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
+
+       /* setup UVD_MPC_SET_MUXA0 */
+       WREG32_SOC15(VCN, i, 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(VCN, i, 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(VCN, i, 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_v3_0_mc_resume(adev, i);
+
+       /* VCN global tiling registers */
+       WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
+                    adev->gfx.config.gb_addr_config);
+
+       /* unblock VCPU register access */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
+                ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
 
+       /* release VCPU reset to boot */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+                ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+       for (j = 0; j < 10; ++j) {
+               uint32_t status;
+
+               for (k = 0; k < 100; ++k) {
+                       status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
+                       if (status & 2)
+                               break;
                        mdelay(10);
-                       r = -1;
                }
+               r = 0;
+               if (status & 2)
+                       break;
 
-               if (r) {
-                       DRM_ERROR("VCN[%d] decode not responding, giving 
up!!!\n", i);
-                       return r;
-               }
+               DRM_ERROR("VCN[%d] decode not responding, trying to reset the 
VCPU!!!\n", i);
+               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+                        UVD_VCPU_CNTL__BLK_RST_MASK,
+                        ~UVD_VCPU_CNTL__BLK_RST_MASK);
+               mdelay(10);
+               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+                        ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+               mdelay(10);
+               r = -1;
+       }
 
-               /* enable master interrupt */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
-                       UVD_MASTINT_EN__VCPU_EN_MASK,
-                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
+       if (r) {
+               DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
+               return r;
+       }
 
-               /* clear the busy bit of VCN_STATUS */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
-                       ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
+       /* enable master interrupt */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
+                UVD_MASTINT_EN__VCPU_EN_MASK,
+                ~UVD_MASTINT_EN__VCPU_EN_MASK);
 
-               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
+       /* clear the busy bit of VCN_STATUS */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
+                ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
 
-               ring = &adev->vcn.inst[i].ring_dec;
-               /* 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(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
+       WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
 
-               fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
-               fw_shared->multi_queue.decode_queue_mode |= 
cpu_to_le32(FW_QUEUE_RING_RESET);
+       ring = &adev->vcn.inst[i].ring_dec;
+       /* 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(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
 
-               /* programm the RB_BASE for ring buffer */
-               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
-                       lower_32_bits(ring->gpu_addr));
-               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
-                       upper_32_bits(ring->gpu_addr));
+       fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
+       fw_shared->multi_queue.decode_queue_mode |= 
cpu_to_le32(FW_QUEUE_RING_RESET);
 
-               /* Initialize the ring buffer's read and write pointers */
-               WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
+       /* programm the RB_BASE for ring buffer */
+       WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
+                    lower_32_bits(ring->gpu_addr));
+       WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
+                    upper_32_bits(ring->gpu_addr));
 
-               WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
-               ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
-               WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
-                       lower_32_bits(ring->wptr));
-               fw_shared->rb.wptr = lower_32_bits(ring->wptr);
-               fw_shared->multi_queue.decode_queue_mode &= 
cpu_to_le32(~FW_QUEUE_RING_RESET);
-
-               if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
-                   IP_VERSION(3, 0, 33)) {
-                       fw_shared->multi_queue.encode_generalpurpose_queue_mode 
|= cpu_to_le32(FW_QUEUE_RING_RESET);
-                       ring = &adev->vcn.inst[i].ring_enc[0];
-                       WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, 
lower_32_bits(ring->wptr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, 
lower_32_bits(ring->wptr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
-                       WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, 
upper_32_bits(ring->gpu_addr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 
4);
-                       fw_shared->multi_queue.encode_generalpurpose_queue_mode 
&= cpu_to_le32(~FW_QUEUE_RING_RESET);
-
-                       fw_shared->multi_queue.encode_lowlatency_queue_mode |= 
cpu_to_le32(FW_QUEUE_RING_RESET);
-                       ring = &adev->vcn.inst[i].ring_enc[1];
-                       WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, 
lower_32_bits(ring->wptr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, 
lower_32_bits(ring->wptr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
-                       WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, 
upper_32_bits(ring->gpu_addr));
-                       WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 
4);
-                       fw_shared->multi_queue.encode_lowlatency_queue_mode &= 
cpu_to_le32(~FW_QUEUE_RING_RESET);
-               }
+       /* Initialize the ring buffer's read and write pointers */
+       WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
+
+       WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
+       ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
+       WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
+                    lower_32_bits(ring->wptr));
+       fw_shared->rb.wptr = lower_32_bits(ring->wptr);
+       fw_shared->multi_queue.decode_queue_mode &= 
cpu_to_le32(~FW_QUEUE_RING_RESET);
+
+       if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
+           IP_VERSION(3, 0, 33)) {
+               fw_shared->multi_queue.encode_generalpurpose_queue_mode |= 
cpu_to_le32(FW_QUEUE_RING_RESET);
+               ring = &adev->vcn.inst[i].ring_enc[0];
+               WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
+               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, 
upper_32_bits(ring->gpu_addr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
+               fw_shared->multi_queue.encode_generalpurpose_queue_mode &= 
cpu_to_le32(~FW_QUEUE_RING_RESET);
+
+               fw_shared->multi_queue.encode_lowlatency_queue_mode |= 
cpu_to_le32(FW_QUEUE_RING_RESET);
+               ring = &adev->vcn.inst[i].ring_enc[1];
+               WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
+               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, 
upper_32_bits(ring->gpu_addr));
+               WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
+               fw_shared->multi_queue.encode_lowlatency_queue_mode &= 
cpu_to_le32(~FW_QUEUE_RING_RESET);
        }
 
        return 0;
@@ -1565,79 +1559,73 @@ static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device 
*adev, int inst_idx)
        return 0;
 }
 
-static int vcn_v3_0_stop(struct amdgpu_device *adev)
+static int vcn_v3_0_stop(struct amdgpu_device *adev, int i)
 {
        uint32_t tmp;
-       int i, r = 0;
+       int r = 0;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       if (adev->vcn.harvest_config & (1 << i))
+               return 0;
 
-               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
-                       r = vcn_v3_0_stop_dpg_mode(adev, i);
-                       continue;
-               }
+       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+               return vcn_v3_0_stop_dpg_mode(adev, i);
 
-               /* wait for vcn idle */
-               r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 
0x7);
-               if (r)
-                       return r;
+       /* wait for vcn idle */
+       r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
+       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;
-               r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
-               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;
+       r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
+       if (r)
+               return r;
 
-               /* disable LMI UMC channel */
-               tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
-               tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
-               WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
-               tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
-                       UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-               r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
-               if (r)
-                       return r;
+       /* disable LMI UMC channel */
+       tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
+       tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
+       WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
+       tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
+               UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
+       r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
+       if (r)
+               return r;
 
-               /* block VCPU register access */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
-                       UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
-                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+       /* block VCPU register access */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, 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(VCN, i, mmUVD_VCPU_CNTL),
-                       UVD_VCPU_CNTL__BLK_RST_MASK,
-                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
+       /* reset VCPU */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+                UVD_VCPU_CNTL__BLK_RST_MASK,
+                ~UVD_VCPU_CNTL__BLK_RST_MASK);
 
-               /* disable VCPU clock */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
-                       ~(UVD_VCPU_CNTL__CLK_EN_MASK));
+       /* disable VCPU clock */
+       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+                ~(UVD_VCPU_CNTL__CLK_EN_MASK));
 
-               /* apply soft reset */
-               tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
-               tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
-               tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
-               tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
+       /* apply soft reset */
+       tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
+       tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
+       tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
+       tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
 
-               /* clear status */
-               WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
+       /* clear status */
+       WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
 
-               /* apply HW clock gating */
-               vcn_v3_0_enable_clock_gating(adev, i);
+       /* apply HW clock gating */
+       vcn_v3_0_enable_clock_gating(adev, i);
 
-               /* enable VCN power gating */
-               vcn_v3_0_enable_static_power_gating(adev, i);
-       }
+       /* enable VCN power gating */
+       vcn_v3_0_enable_static_power_gating(adev, i);
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_enable_vcn(adev, false, i);
-       }
+       if (adev->pm.dpm_enabled)
+               amdgpu_dpm_enable_vcn(adev, false, i);
 
        return 0;
 }
@@ -2163,7 +2151,7 @@ static int vcn_v3_0_set_powergating_state(struct 
amdgpu_ip_block *ip_block,
                                          enum amd_powergating_state state)
 {
        struct amdgpu_device *adev = ip_block->adev;
-       int ret;
+       int ret = 0, i;
 
        /* for SRIOV, guest should not control VCN Power-gating
         * MMSCH FW should control Power-gating and clock-gating
@@ -2177,10 +2165,12 @@ static int vcn_v3_0_set_powergating_state(struct 
amdgpu_ip_block *ip_block,
        if (state == adev->vcn.cur_state)
                return 0;
 
-       if (state == AMD_PG_STATE_GATE)
-               ret = vcn_v3_0_stop(adev);
-       else
-               ret = vcn_v3_0_start(adev);
+       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+               if (state == AMD_PG_STATE_GATE)
+                       ret |= vcn_v3_0_stop(adev, i);
+               else
+                       ret |= vcn_v3_0_start(adev, i);
+       }
 
        if (!ret)
                adev->vcn.cur_state = state;
-- 
2.47.1

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