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authorHawking Zhang <Hawking.Zhang@amd.com>2020-12-01 18:15:32 +0300
committerAlex Deucher <alexander.deucher@amd.com>2020-12-23 23:04:26 +0300
commit5212d1630b5f8d202e081068f5f2e3c76fe23cc8 (patch)
tree9275a522fca4772cf6d91c17e8b0c0fef835fa07 /drivers/gpu/drm/amd/amdgpu/navi10_ih.c
parent2601fa6464c64c0373af3f14d0b4ed56def3f723 (diff)
downloadlinux-5212d1630b5f8d202e081068f5f2e3c76fe23cc8.tar.xz
drm/amdgpu: add helper to init ih ring regs for navi10
navi10_ih_init_register_offset will be used to init register offset for all the available ih rings Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Dennis Li <Dennis.Li@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/navi10_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/navi10_ih.c47
1 files changed, 47 insertions, 0 deletions
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