diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 7d4a11d7f5c3..6f469facabfb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -306,6 +306,26 @@ void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) BUG(); } +void static inline amdgpu_mm_wreg_mmio(struct amdgpu_device *adev, uint32_t reg, uint32_t v, uint32_t acc_flags) +{ + trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); + + if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) + writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); + else { + unsigned long flags; + + spin_lock_irqsave(&adev->mmio_idx_lock, flags); + writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); + 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); + } +} + /** * amdgpu_mm_wreg - write to a memory mapped IO register * @@ -319,8 +339,6 @@ void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, uint32_t acc_flags) { - trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); - if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { adev->last_mm_index = v; } @@ -328,20 +346,26 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, if ((acc_flags & AMDGPU_REGS_KIQ) || (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))) return amdgpu_kiq_wreg(adev, reg, v); - if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) - writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); - else { - unsigned long flags; + amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags); +} - spin_lock_irqsave(&adev->mmio_idx_lock, flags); - writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); - writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); - spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); - } +/* + * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range + * + * this function is invoked only the debugfs register access + * */ +void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t v, + uint32_t acc_flags) +{ + if (amdgpu_sriov_fullaccess(adev) && + adev->gfx.rlc.funcs && + adev->gfx.rlc.funcs->is_rlcg_access_range) { - if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { - udelay(500); + if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) + return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v); } + + amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags); } /** @@ -3933,6 +3957,8 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, if (r) goto out; + amdgpu_fbdev_set_suspend(tmp_adev, 0); + /* must succeed. */ amdgpu_ras_resume(tmp_adev); @@ -4106,6 +4132,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, */ amdgpu_unregister_gpu_instance(tmp_adev); + amdgpu_fbdev_set_suspend(adev, 1); + /* disable ras on ALL IPs */ if (!(in_ras_intr && !use_baco) && amdgpu_device_ip_need_full_reset(tmp_adev)) |