From d81f78b440f314e2a551d938e4c509fca16a8fe7 Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 18 Sep 2018 14:24:49 +0200 Subject: drm/amdgpu: simplify IH programming MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Calculate all the addresses and pointers in amdgpu_ih.c Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cz_ih.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cz_ih.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index c59eed041fb5..61024b9c7a4b 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -103,9 +103,9 @@ static void cz_ih_disable_interrupts(struct amdgpu_device *adev) */ static int cz_ih_irq_init(struct amdgpu_device *adev) { - int rb_bufsz; + struct amdgpu_ih_ring *ih = &adev->irq.ih; u32 interrupt_cntl, ih_cntl, ih_rb_cntl; - u64 wptr_off; + int rb_bufsz; /* disable irqs */ cz_ih_disable_interrupts(adev); @@ -133,9 +133,8 @@ static int cz_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 cz_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); -- cgit v1.2.3-70-g09d2