From bf13cb1f4620d63349e302e169f7b3365e39fbfb Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Thu, 9 Jul 2020 11:32:50 +0800 Subject: [PATCH] drm/amdgpu: use gpu virtual address for interrupt packet write space for vangogh The interrupts are not stable while uses guest physical address (GPA) for interrupt packet write space even on direct loading case. v2: make condition more readable Signed-off-by: Huang Rui Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index ce4a974ab777..53ea83c08e8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -661,8 +661,11 @@ static int navi10_ih_sw_init(void *handle) /* use gpu virtual address for ih ring * until ih_checken is programmed to allow * use bus address for ih ring by psp bl */ - use_bus_addr = - (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) ? false : true; + if ((adev->flags & AMD_IS_APU) || + (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) + use_bus_addr = false; + else + use_bus_addr = true; r = amdgpu_ih_ring_init(adev, &adev->irq.ih, 256 * 1024, use_bus_addr); if (r) return r; -- GitLab