[PATCH] drm/amdgpu: fully disable the queues and doorbeels in gfx_v10 before programing the kiq registers
ricetons at gmail.com
ricetons at gmail.com
Tue May 17 11:24:38 UTC 2022
From: Haohui Mai <ricetons at gmail.com>
Signed-off-by: Haohui Mai <ricetons at gmail.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 27 +++++++++++++-------------
1 file 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 dd8f4344eeb8..9a1b42cc8500 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);
--
2.25.1
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