<!DOCTYPE html><html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<p><br>
</p>
<div class="moz-cite-prefix">On 2025-01-31 11:56, Alex Deucher
wrote:<br>
</div>
<blockquote type="cite" cite="mid:20250131165741.1798488-4-alexander.deucher@amd.com">
<pre class="moz-quote-pre" wrap="">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 <a class="moz-txt-link-rfc2396E" href="mailto:alexander.deucher@amd.com"><alexander.deucher@amd.com></a></pre>
</blockquote>
<p><br>
</p>
<p><font size="2"><span style="font-size:11pt;"><span data-markjs="true" data-olk-copy-source="MessageBody"><span data-markjs="true" class="mark1tk8wrane" style="" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" data-olk-copy-source="MessageBody">Reviewed-by</span></span>:
Boyuan Zhang <a href="mailto:Boyuan.Zhang@amd.com" title="mailto:Boyuan.Zhang@amd.com" data-linkindex="2"><Boyuan.Zhang@amd.com></a></span></font></p>
<p></p>
<p><br>
</p>
<blockquote type="cite" cite="mid:20250131165741.1798488-4-alexander.deucher@amd.com">
<pre class="moz-quote-pre" wrap="">
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 436 +++++++++++++-------------
1 file changed, 215 insertions(+), 221 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 00551d6f03701..c3eb4278bf465 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -1087,182 +1087,177 @@ static int vcn_v4_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
* vcn_v4_0_start - VCN start
*
* @adev: amdgpu_device pointer
+ * @i: instance to start
*
* Start VCN block
*/
-static int vcn_v4_0_start(struct amdgpu_device *adev)
+static int vcn_v4_0_start(struct amdgpu_device *adev, int i)
{
volatile struct amdgpu_vcn4_fw_shared *fw_shared;
struct amdgpu_ring *ring;
uint32_t 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);
- fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
+ fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
- if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
- r = vcn_v4_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
- continue;
- }
+ if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+ return vcn_v4_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
- /* disable VCN power gating */
- vcn_v4_0_disable_static_power_gating(adev, i);
-
- /* set VCN status busy */
- tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
- WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
-
- /*SW clock gating */
- vcn_v4_0_disable_clock_gating(adev, i);
-
- /* enable VCPU clock */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
- UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
-
- /* disable master interrupt */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
- ~UVD_MASTINT_EN__VCPU_EN_MASK);
-
- /* enable LMI MC and UMC channels */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
- ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
-
- tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
- tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
- tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
- WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
-
- /* setup regUVD_LMI_CTRL */
- tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
- WREG32_SOC15(VCN, i, regUVD_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 regUVD_MPC_CNTL */
- tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
- tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
- tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
- WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
-
- /* setup UVD_MPC_SET_MUXA0 */
- WREG32_SOC15(VCN, i, regUVD_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, regUVD_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 UVD_MPC_SET_MUX */
- WREG32_SOC15(VCN, i, regUVD_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_v4_0_mc_resume(adev, i);
-
- /* VCN global tiling registers */
- WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
- adev->gfx.config.gb_addr_config);
-
- /* unblock VCPU register access */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
- ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
-
- /* release VCPU reset to boot */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_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, regUVD_STATUS);
- if (status & 2)
- break;
- mdelay(10);
- if (amdgpu_emu_mode == 1)
- msleep(1);
- }
+ /* disable VCN power gating */
+ vcn_v4_0_disable_static_power_gating(adev, i);
+
+ /* set VCN status busy */
+ tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+ WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
+
+ /*SW clock gating */
+ vcn_v4_0_disable_clock_gating(adev, i);
+
+ /* enable VCPU clock */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
+ UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
+
+ /* disable master interrupt */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
+ ~UVD_MASTINT_EN__VCPU_EN_MASK);
+
+ /* enable LMI MC and UMC channels */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
+ ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
- if (amdgpu_emu_mode == 1) {
- r = -1;
- if (status & 2) {
- r = 0;
- break;
- }
- } else {
+ tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
+ tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+ tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+ WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
+
+ /* setup regUVD_LMI_CTRL */
+ tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
+ WREG32_SOC15(VCN, i, regUVD_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 regUVD_MPC_CNTL */
+ tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
+ tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
+ tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
+ WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
+
+ /* setup UVD_MPC_SET_MUXA0 */
+ WREG32_SOC15(VCN, i, regUVD_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, regUVD_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 UVD_MPC_SET_MUX */
+ WREG32_SOC15(VCN, i, regUVD_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_v4_0_mc_resume(adev, i);
+
+ /* VCN global tiling registers */
+ WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config);
+
+ /* unblock VCPU register access */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
+ ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+
+ /* release VCPU reset to boot */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_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, regUVD_STATUS);
+ if (status & 2)
+ break;
+ mdelay(10);
+ if (amdgpu_emu_mode == 1)
+ msleep(1);
+ }
+
+ if (amdgpu_emu_mode == 1) {
+ r = -1;
+ if (status & 2) {
r = 0;
- if (status & 2)
- break;
-
- dev_err(adev->dev, "VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
- UVD_VCPU_CNTL__BLK_RST_MASK,
- ~UVD_VCPU_CNTL__BLK_RST_MASK);
- mdelay(10);
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
- ~UVD_VCPU_CNTL__BLK_RST_MASK);
-
- mdelay(10);
- r = -1;
+ break;
}
+ } else {
+ r = 0;
+ if (status & 2)
+ break;
+
+ dev_err(adev->dev, "VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
+ UVD_VCPU_CNTL__BLK_RST_MASK,
+ ~UVD_VCPU_CNTL__BLK_RST_MASK);
+ mdelay(10);
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
+ ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+ mdelay(10);
+ r = -1;
}
+ }
- if (r) {
- dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
- return r;
- }
+ if (r) {
+ dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
+ return r;
+ }
- /* enable master interrupt */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
- UVD_MASTINT_EN__VCPU_EN_MASK,
- ~UVD_MASTINT_EN__VCPU_EN_MASK);
+ /* enable master interrupt */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_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(VCN, i, regUVD_STATUS), 0,
- ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
+ /* clear the busy bit of VCN_STATUS */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
+ ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
- ring = &adev->vcn.inst[i].ring_enc[0];
- WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
- ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
- VCN_RB1_DB_CTRL__EN_MASK);
-
- WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
- WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
-
- tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
- tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
- WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
- fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
- WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
- WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
-
- tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
- WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
- ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
-
- tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
- tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
- WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
- fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
- }
+ ring = &adev->vcn.inst[i].ring_enc[0];
+ WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
+ ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
+ VCN_RB1_DB_CTRL__EN_MASK);
+
+ WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
+ WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
+
+ tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
+ tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
+ WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
+ fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
+ WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
+ WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
+
+ tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
+ WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
+ ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
+
+ tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
+ tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
+ WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
+ fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
return 0;
}
@@ -1549,86 +1544,83 @@ static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
* vcn_v4_0_stop - VCN stop
*
* @adev: amdgpu_device pointer
+ * @i: instance to stop
*
* Stop VCN block
*/
-static int vcn_v4_0_stop(struct amdgpu_device *adev)
+static int vcn_v4_0_stop(struct amdgpu_device *adev, int i)
{
volatile struct amdgpu_vcn4_fw_shared *fw_shared;
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;
- fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
- fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
+ fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
+ fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
- if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
- vcn_v4_0_stop_dpg_mode(adev, i);
- continue;
- }
+ if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+ vcn_v4_0_stop_dpg_mode(adev, i);
+ return 0;
+ }
- /* wait for vcn idle */
- r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
- if (r)
- return r;
+ /* wait for vcn idle */
+ r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_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, regUVD_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, regUVD_LMI_STATUS, tmp, tmp);
+ if (r)
+ return r;
- /* disable LMI UMC channel */
- tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
- tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
- WREG32_SOC15(VCN, i, regUVD_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, regUVD_LMI_STATUS, tmp, tmp);
- if (r)
- return r;
+ /* disable LMI UMC channel */
+ tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
+ tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
+ WREG32_SOC15(VCN, i, regUVD_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, regUVD_LMI_STATUS, tmp, tmp);
+ if (r)
+ return r;
- /* block VCPU register access */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_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, regUVD_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, regUVD_VCPU_CNTL),
- UVD_VCPU_CNTL__BLK_RST_MASK,
- ~UVD_VCPU_CNTL__BLK_RST_MASK);
+ /* reset VCPU */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
+ UVD_VCPU_CNTL__BLK_RST_MASK,
+ ~UVD_VCPU_CNTL__BLK_RST_MASK);
- /* disable VCPU clock */
- WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
- ~(UVD_VCPU_CNTL__CLK_EN_MASK));
+ /* disable VCPU clock */
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
+ ~(UVD_VCPU_CNTL__CLK_EN_MASK));
- /* apply soft reset */
- tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
- tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
- WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
- tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
- tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
- WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
+ /* apply soft reset */
+ tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
+ tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+ WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
+ tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
+ tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+ WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
- /* clear status */
- WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
+ /* clear status */
+ WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
- /* apply HW clock gating */
- vcn_v4_0_enable_clock_gating(adev, i);
+ /* apply HW clock gating */
+ vcn_v4_0_enable_clock_gating(adev, i);
- /* enable VCN power gating */
- vcn_v4_0_enable_static_power_gating(adev, i);
- }
+ /* enable VCN power gating */
+ vcn_v4_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;
}
@@ -2051,7 +2043,7 @@ static int vcn_v4_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
@@ -2065,10 +2057,12 @@ static int vcn_v4_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_v4_0_stop(adev);
- else
- ret = vcn_v4_0_start(adev);
+ for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+ if (state == AMD_PG_STATE_GATE)
+ ret |= vcn_v4_0_stop(adev, i);
+ else
+ ret |= vcn_v4_0_start(adev, i);
+ }
if (!ret)
adev->vcn.cur_state = state;
</pre>
</blockquote>
</body>
</html>