diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 7963c54e5d03..8ce522b490c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -129,6 +129,10 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, { trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); + if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { + adev->last_mm_index = v; + } + if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) { BUG_ON(in_interrupt()); return amdgpu_virt_kiq_wreg(adev, reg, v); @@ -144,6 +148,10 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); } + + if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { + udelay(500); + } } u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) @@ -158,6 +166,9 @@ u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) { + if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { + adev->last_mm_index = v; + } if ((reg * 4) < adev->rio_mem_size) iowrite32(v, adev->rio_mem + (reg * 4)); @@ -165,6 +176,10 @@ void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); } + + if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { + udelay(500); + } } /** |