From 5212d1630b5f8d202e081068f5f2e3c76fe23cc8 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Tue, 1 Dec 2020 23:15:32 +0800 Subject: [PATCH] drm/amdgpu: add helper to init ih ring regs for navi10 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit navi10_ih_init_register_offset will be used to init register offset for all the available ih rings Signed-off-by: Hawking Zhang Acked-by: Christian König Acked-by: Felix Kuehling Reviewed-by: Dennis Li Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 47 ++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index 7ba229e43799..b5a0327edaa3 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -40,6 +40,53 @@ static void navi10_ih_set_interrupt_funcs(struct amdgpu_device *adev); /** + * navi10_ih_init_register_offset - Initialize register offset for ih rings + * + * @adev: amdgpu_device pointer + * + * Initialize register offset ih rings (NAVI10). + */ +static void navi10_ih_init_register_offset(struct amdgpu_device *adev) +{ + struct amdgpu_ih_regs *ih_regs; + + if (adev->irq.ih.ring_size) { + ih_regs = &adev->irq.ih.ih_regs; + ih_regs->ih_rb_base = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE); + ih_regs->ih_rb_base_hi = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE_HI); + ih_regs->ih_rb_cntl = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL); + ih_regs->ih_rb_wptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR); + ih_regs->ih_rb_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR); + ih_regs->ih_doorbell_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_DOORBELL_RPTR); + ih_regs->ih_rb_wptr_addr_lo = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO); + ih_regs->ih_rb_wptr_addr_hi = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI); + ih_regs->psp_reg_id = PSP_REG_IH_RB_CNTL; + } + + if (adev->irq.ih1.ring_size) { + ih_regs = &adev->irq.ih1.ih_regs; + ih_regs->ih_rb_base = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE_RING1); + ih_regs->ih_rb_base_hi = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE_HI_RING1); + ih_regs->ih_rb_cntl = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL_RING1); + ih_regs->ih_rb_wptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_RING1); + ih_regs->ih_rb_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING1); + ih_regs->ih_doorbell_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING1); + ih_regs->psp_reg_id = PSP_REG_IH_RB_CNTL_RING1; + } + + if (adev->irq.ih2.ring_size) { + ih_regs = &adev->irq.ih2.ih_regs; + ih_regs->ih_rb_base = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE_RING2); + ih_regs->ih_rb_base_hi = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_BASE_HI_RING2); + ih_regs->ih_rb_cntl = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL_RING2); + ih_regs->ih_rb_wptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_RING2); + ih_regs->ih_rb_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING2); + ih_regs->ih_doorbell_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING2); + ih_regs->psp_reg_id = PSP_REG_IH_RB_CNTL_RING2; + } +} + +/** * force_update_wptr_for_self_int - Force update the wptr for self interrupt * * @adev: amdgpu_device pointer -- 2.11.0