1,KIQ won't touch VRAM so no need to involv HDP flush/invalidate at all. 2,According to CP hw designer KIQ better not use any PM4 package lead to wait behave.
Change-Id: I32471c4cc113bfe1423a24747ebaa205ada0bba1 Signed-off-by: Monk Liu <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 4 ---- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 -- 3 files changed, 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 31b30e9..be43823 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -122,9 +122,7 @@ uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg) mutex_lock(&adev->virt.lock_kiq); amdgpu_ring_alloc(ring, 32); - amdgpu_ring_emit_hdp_flush(ring); amdgpu_ring_emit_rreg(ring, reg); - amdgpu_ring_emit_hdp_invalidate(ring); amdgpu_fence_emit(ring, &f); amdgpu_ring_commit(ring); mutex_unlock(&adev->virt.lock_kiq); @@ -150,9 +148,7 @@ void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) mutex_lock(&adev->virt.lock_kiq); amdgpu_ring_alloc(ring, 32); - amdgpu_ring_emit_hdp_flush(ring); amdgpu_ring_emit_wreg(ring, reg, v); - amdgpu_ring_emit_hdp_invalidate(ring); amdgpu_fence_emit(ring, &f); amdgpu_ring_commit(ring); mutex_unlock(&adev->virt.lock_kiq); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 3571c48..7d04457 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -6962,8 +6962,6 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = { .emit_ib_size = 4, /* gfx_v8_0_ring_emit_ib_compute */ .emit_ib = gfx_v8_0_ring_emit_ib_compute, .emit_fence = gfx_v8_0_ring_emit_fence_kiq, - .emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush, - .emit_hdp_invalidate = gfx_v8_0_ring_emit_hdp_invalidate, .test_ring = gfx_v8_0_ring_test_ring, .test_ib = gfx_v8_0_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index c8a1c4e..bb225f4 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3759,8 +3759,6 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = { .emit_ib_size = 4, /* gfx_v9_0_ring_emit_ib_compute */ .emit_ib = gfx_v9_0_ring_emit_ib_compute, .emit_fence = gfx_v9_0_ring_emit_fence_kiq, - .emit_hdp_flush = gfx_v9_0_ring_emit_hdp_flush, - .emit_hdp_invalidate = gfx_v9_0_ring_emit_hdp_invalidate, .test_ring = gfx_v9_0_ring_test_ring, .test_ib = gfx_v9_0_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
