diff options
author | Andres Rodriguez <andresx7@gmail.com> | 2017-02-03 16:17:15 -0500 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-31 16:48:51 -0400 |
commit | d59095f7dd8810e67bdad7a65131903646ebc444 (patch) | |
tree | b7e9d7c634b9142ffb87791260de605d303204e7 /drivers/gpu/drm/radeon/cik.c | |
parent | dc102c436f12386703e95ac13598dc504a7cae26 (diff) | |
download | linux-d59095f7dd8810e67bdad7a65131903646ebc444.tar.bz2 |
drm/radeon: take ownership of pipe initialization
Take ownership of pipe initialization away from KFD.
Note that hpd_eop_gpu_addr was already large enough to accomodate all
pipes.
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/cik.c')
-rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 008c145b7f29..09504b14f514 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4580,23 +4580,24 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) /* init the pipes */ mutex_lock(&rdev->srbm_mutex); - eop_gpu_addr = rdev->mec.hpd_eop_gpu_addr; + for (i = 0; i < rdev->mec.num_pipe; ++i) { + cik_srbm_select(rdev, 0, i, 0, 0); - cik_srbm_select(rdev, 0, 0, 0, 0); - - /* write the EOP addr */ - WREG32(CP_HPD_EOP_BASE_ADDR, eop_gpu_addr >> 8); - WREG32(CP_HPD_EOP_BASE_ADDR_HI, upper_32_bits(eop_gpu_addr) >> 8); + eop_gpu_addr = rdev->mec.hpd_eop_gpu_addr + (i * MEC_HPD_SIZE * 2) ; + /* write the EOP addr */ + WREG32(CP_HPD_EOP_BASE_ADDR, eop_gpu_addr >> 8); + WREG32(CP_HPD_EOP_BASE_ADDR_HI, upper_32_bits(eop_gpu_addr) >> 8); - /* set the VMID assigned */ - WREG32(CP_HPD_EOP_VMID, 0); + /* set the VMID assigned */ + WREG32(CP_HPD_EOP_VMID, 0); - /* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */ - tmp = RREG32(CP_HPD_EOP_CONTROL); - tmp &= ~EOP_SIZE_MASK; - tmp |= order_base_2(MEC_HPD_SIZE / 8); - WREG32(CP_HPD_EOP_CONTROL, tmp); + /* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */ + tmp = RREG32(CP_HPD_EOP_CONTROL); + tmp &= ~EOP_SIZE_MASK; + tmp |= order_base_2(MEC_HPD_SIZE / 8); + WREG32(CP_HPD_EOP_CONTROL, tmp); + } mutex_unlock(&rdev->srbm_mutex); /* init the queues. Just two for now. */ |