aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c129
1 files changed, 118 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 7253132f04b8..ad54c46751b0 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -727,18 +727,20 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
{
int r, i;
- if (!adev->firmware.smu_load) {
- r = sdma_v3_0_load_microcode(adev);
- if (r)
- return r;
- } else {
- for (i = 0; i < adev->sdma.num_instances; i++) {
- r = adev->smu.smumgr_funcs->check_fw_load_finish(adev,
- (i == 0) ?
- AMDGPU_UCODE_ID_SDMA0 :
- AMDGPU_UCODE_ID_SDMA1);
+ if (!adev->pp_enabled) {
+ if (!adev->firmware.smu_load) {
+ r = sdma_v3_0_load_microcode(adev);
if (r)
- return -EINVAL;
+ return r;
+ } else {
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ r = adev->smu.smumgr_funcs->check_fw_load_finish(adev,
+ (i == 0) ?
+ AMDGPU_UCODE_ID_SDMA0 :
+ AMDGPU_UCODE_ID_SDMA1);
+ if (r)
+ return -EINVAL;
+ }
}
}
@@ -1427,9 +1429,114 @@ static int sdma_v3_0_process_illegal_inst_irq(struct amdgpu_device *adev,
return 0;
}
+static void fiji_update_sdma_medium_grain_clock_gating(
+ struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t temp, data;
+
+ if (enable) {
+ temp = data = RREG32(mmSDMA0_CLK_CTRL);
+ data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
+ if (data != temp)
+ WREG32(mmSDMA0_CLK_CTRL, data);
+
+ temp = data = RREG32(mmSDMA1_CLK_CTRL);
+ data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK);
+
+ if (data != temp)
+ WREG32(mmSDMA1_CLK_CTRL, data);
+ } else {
+ temp = data = RREG32(mmSDMA0_CLK_CTRL);
+ data |= SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
+ SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK;
+
+ if (data != temp)
+ WREG32(mmSDMA0_CLK_CTRL, data);
+
+ temp = data = RREG32(mmSDMA1_CLK_CTRL);
+ data |= SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
+ SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK;
+
+ if (data != temp)
+ WREG32(mmSDMA1_CLK_CTRL, data);
+ }
+}
+
+static void fiji_update_sdma_medium_grain_light_sleep(
+ struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t temp, data;
+
+ if (enable) {
+ temp = data = RREG32(mmSDMA0_POWER_CNTL);
+ data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+
+ if (temp != data)
+ WREG32(mmSDMA0_POWER_CNTL, data);
+
+ temp = data = RREG32(mmSDMA1_POWER_CNTL);
+ data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+
+ if (temp != data)
+ WREG32(mmSDMA1_POWER_CNTL, data);
+ } else {
+ temp = data = RREG32(mmSDMA0_POWER_CNTL);
+ data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+
+ if (temp != data)
+ WREG32(mmSDMA0_POWER_CNTL, data);
+
+ temp = data = RREG32(mmSDMA1_POWER_CNTL);
+ data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+
+ if (temp != data)
+ WREG32(mmSDMA1_POWER_CNTL, data);
+ }
+}
+
static int sdma_v3_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ switch (adev->asic_type) {
+ case CHIP_FIJI:
+ fiji_update_sdma_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ fiji_update_sdma_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ break;
+ default:
+ break;
+ }
return 0;
}