diff options
| author | Alex Deucher | 2018-03-27 22:07:50 +0200 |
|---|---|---|
| committer | Alex Deucher | 2018-05-15 20:43:13 +0200 |
| commit | 10ed3c3190d38f189ed6857cecca1a2eb6de33a3 (patch) | |
| tree | 8403b4414ac9b6fdd7cd46bd3adc5b9ed3a1ef67 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
| parent | drm/amdgpu: add emit_reg_write_reg_wait ring callback (diff) | |
| download | kernel-qcow2-linux-10ed3c3190d38f189ed6857cecca1a2eb6de33a3.tar.gz kernel-qcow2-linux-10ed3c3190d38f189ed6857cecca1a2eb6de33a3.tar.xz kernel-qcow2-linux-10ed3c3190d38f189ed6857cecca1a2eb6de33a3.zip | |
drm/amdgpu/gfx9: add emit_reg_write_reg_wait ring callback (v2)
This adds support for writing and reading back in a single
oneshot packet. This is needed to send a tlb invalidation
and wait for ack in a single operation.
v2: squash the gfx ring stall fix
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 66bd6c1c82c0..583f6f616dd3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -4138,6 +4138,15 @@ static void gfx_v9_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, gfx_v9_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20); } +static void gfx_v9_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask) +{ + int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX); + + gfx_v9_0_wait_reg_mem(ring, usepfp, 0, 1, reg0, reg1, ref, mask, 0x20); +} + static void gfx_v9_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev, enum amdgpu_interrupt_state state) { @@ -4459,6 +4468,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = { .emit_tmz = gfx_v9_0_ring_emit_tmz, .emit_wreg = gfx_v9_0_ring_emit_wreg, .emit_reg_wait = gfx_v9_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait, }; static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = { @@ -4493,6 +4503,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = { .set_priority = gfx_v9_0_ring_set_priority_compute, .emit_wreg = gfx_v9_0_ring_emit_wreg, .emit_reg_wait = gfx_v9_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait, }; static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = { @@ -4523,6 +4534,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = { .emit_rreg = gfx_v9_0_ring_emit_rreg, .emit_wreg = gfx_v9_0_ring_emit_wreg, .emit_reg_wait = gfx_v9_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait, }; static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev) |