diff options
| author | Haohui Mai <ricetons@gmail.com> | 2022-05-17 04:24:38 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-26 14:56:31 -0400 |
| commit | 10784fec9cbddad2ca6031b28c1ca1d041444dc5 (patch) | |
| tree | 4014902135b8713e546140aabbf24dd5778ab4bc /drivers/gpu/drm/amd/amdgpu | |
| parent | 842035543c0bfa35b1471e74094a107673815b01 (diff) | |
| download | linux-10784fec9cbddad2ca6031b28c1ca1d041444dc5.tar.bz2 | |
drm/amdgpu/gfx10: rework KIQ programming
Make sure the queue is not longer active before programming
the kiq EOP registers.
Signed-off-by: Haohui Mai <ricetons@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index dada7ab5d43f..02754ee86c81 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6956,20 +6956,6 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring) /* disable wptr polling */ WREG32_FIELD15(GC, 0, CP_PQ_WPTR_POLL_CNTL, EN, 0); - /* write the EOP addr */ - WREG32_SOC15(GC, 0, mmCP_HQD_EOP_BASE_ADDR, - mqd->cp_hqd_eop_base_addr_lo); - WREG32_SOC15(GC, 0, mmCP_HQD_EOP_BASE_ADDR_HI, - mqd->cp_hqd_eop_base_addr_hi); - - /* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */ - WREG32_SOC15(GC, 0, mmCP_HQD_EOP_CONTROL, - mqd->cp_hqd_eop_control); - - /* enable doorbell? */ - WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, - mqd->cp_hqd_pq_doorbell_control); - /* disable the queue if it's active */ if (RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE) & 1) { WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, 1); @@ -6988,6 +6974,19 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring) mqd->cp_hqd_pq_wptr_hi); } + /* disable doorbells */ + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, 0); + + /* write the EOP addr */ + WREG32_SOC15(GC, 0, mmCP_HQD_EOP_BASE_ADDR, + mqd->cp_hqd_eop_base_addr_lo); + WREG32_SOC15(GC, 0, mmCP_HQD_EOP_BASE_ADDR_HI, + mqd->cp_hqd_eop_base_addr_hi); + + /* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */ + WREG32_SOC15(GC, 0, mmCP_HQD_EOP_CONTROL, + mqd->cp_hqd_eop_control); + /* set the pointer to the MQD */ WREG32_SOC15(GC, 0, mmCP_MQD_BASE_ADDR, mqd->cp_mqd_base_addr_lo); |