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drm/amdgpu/sdma6: add aggregated doorbell support

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Port aggregated doorbell support to sdma6.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2022-07-11 15:25:03 +08:00 committed by Alex Deucher
parent 2d7a1f7183
commit 86ef6eae08
1 changed files with 57 additions and 23 deletions
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80
drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
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@ -246,34 +246,68 @@ static uint64_t sdma_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
static void sdma_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *wptr_saved;
uint32_t *is_queue_unmap;
uint64_t aggregated_db_index;
uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
DRM_DEBUG("Setting write pointer\n");
if (ring->use_doorbell) {
DRM_DEBUG("Using doorbell -- "
"wptr_offs == 0x%08x "
"lower_32_bits(ring->wptr) << 2 == 0x%08x "
"upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
ring->wptr_offs,
lower_32_bits(ring->wptr << 2),
upper_32_bits(ring->wptr << 2));
/* XXX check if swapping is necessary on BE */
if (ring->is_mes_queue) {
wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
sizeof(uint32_t));
aggregated_db_index =
amdgpu_mes_get_aggregated_doorbell_index(adev,
ring->hw_prio);
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
*wptr_saved = ring->wptr << 2;
if (*is_queue_unmap) {
WDOORBELL64(aggregated_db_index, ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
if (*is_queue_unmap)
WDOORBELL64(aggregated_db_index,
ring->wptr << 2);
}
} else {
DRM_DEBUG("Not using doorbell -- "
"regSDMA%i_GFX_RB_WPTR == 0x%08x "
"regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
ring->me,
lower_32_bits(ring->wptr << 2),
ring->me,
upper_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, ring->me, regSDMA0_QUEUE0_RB_WPTR),
lower_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, ring->me, regSDMA0_QUEUE0_RB_WPTR_HI),
upper_32_bits(ring->wptr << 2));
if (ring->use_doorbell) {
DRM_DEBUG("Using doorbell -- "
"wptr_offs == 0x%08x "
"lower_32_bits(ring->wptr) << 2 == 0x%08x "
"upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
ring->wptr_offs,
lower_32_bits(ring->wptr << 2),
upper_32_bits(ring->wptr << 2));
/* XXX check if swapping is necessary on BE */
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
DRM_DEBUG("Not using doorbell -- "
"regSDMA%i_GFX_RB_WPTR == 0x%08x "
"regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
ring->me,
lower_32_bits(ring->wptr << 2),
ring->me,
upper_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev,
ring->me, regSDMA0_QUEUE0_RB_WPTR),
lower_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev,
ring->me, regSDMA0_QUEUE0_RB_WPTR_HI),
upper_32_bits(ring->wptr << 2));
}
}
}