diff options
| author | Christian König <christian.koenig@amd.com> | 2018-09-18 15:24:49 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-14 23:04:47 +0300 |
| commit | d81f78b440f314e2a551d938e4c509fca16a8fe7 (patch) | |
| tree | f8ffd8455c23b8410ea33ca47e8321be79e96b9b /drivers/gpu/drm/amd/amdgpu/iceland_ih.c | |
| parent | 8bb9eb480d032418bd08d0a6a39e4eaa1dec2fb8 (diff) | |
| download | linux-d81f78b440f314e2a551d938e4c509fca16a8fe7.tar.xz | |
drm/amdgpu: simplify IH programming
Calculate all the addresses and pointers in amdgpu_ih.c
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/iceland_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c index f006ed509db3..b1626e1d2f5d 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c @@ -103,9 +103,9 @@ static void iceland_ih_disable_interrupts(struct amdgpu_device *adev) */ static int iceland_ih_irq_init(struct amdgpu_device *adev) { + struct amdgpu_ih_ring *ih = &adev->irq.ih; int rb_bufsz; u32 interrupt_cntl, ih_cntl, ih_rb_cntl; - u64 wptr_off; /* disable irqs */ iceland_ih_disable_interrupts(adev); @@ -133,9 +133,8 @@ static int iceland_ih_irq_init(struct amdgpu_device *adev) ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, WPTR_WRITEBACK_ENABLE, 1); /* set the writeback address whether it's enabled or not */ - wptr_off = adev->wb.gpu_addr + (adev->irq.ih.wptr_offs * 4); - WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(wptr_off)); - WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFF); + WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(ih->wptr_addr)); + WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(ih->wptr_addr) & 0xFF); WREG32(mmIH_RB_CNTL, ih_rb_cntl); @@ -190,7 +189,7 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device *adev, { u32 wptr, tmp; - wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]); + wptr = le32_to_cpu(*ih->wptr_cpu); if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) { wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0); |