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authorSunil Khatri <sunil.khatri@amd.com>2024-04-12 14:19:36 +0530
committerAlex Deucher <alexander.deucher@amd.com>2024-04-18 23:45:22 -0400
commiteefc85a2779d75909e769feb7dd056a0bfba4ca7 (patch)
treeab80feea05408f4351bedbad05df60bb88bdf43f /drivers/gpu/drm/amd/amdgpu/ih_v6_0.c
parentefade6fe50e746164587b01cc33eee71390799b5 (diff)
drm:amdgpu: enable IH RB ring1 for IH v6.0
We need IH ring1 for handling the pagefault interrupts which are overflowing the default ring for specific usecases. Signed-off-by: Sunil Khatri <sunil.khatri@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ih_v6_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/ih_v6_0.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c
index ad4ad39f128f..26dc99232eb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c
@@ -549,8 +549,15 @@ static int ih_v6_0_sw_init(void *handle)
adev->irq.ih.use_doorbell = true;
adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1;
- adev->irq.ih1.ring_size = 0;
- adev->irq.ih2.ring_size = 0;
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, IH_RING_SIZE,
+ use_bus_addr);
+ if (r)
+ return r;
+
+ adev->irq.ih1.use_doorbell = true;
+ adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
+ }
/* initialize ih control register offset */
ih_v6_0_init_register_offset(adev);